loader_test.go

/*
   Copyright 2020 The Compose Specification Authors.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package loader

import (
	"bytes"
	"fmt"
	"os"
	"path/filepath"
	"sort"
	"strings"
	"testing"
	"time"

	"github.com/compose-spec/compose-go/types"
	"github.com/google/go-cmp/cmp/cmpopts"
	"github.com/sirupsen/logrus"
	"gotest.tools/v3/assert"
	is "gotest.tools/v3/assert/cmp"
)

func buildConfigDetails(yaml string, env map[string]string) types.ConfigDetails {
	return buildConfigDetailsMultipleFiles(env, yaml)
}

func buildConfigDetailsMultipleFiles(env map[string]string, yamls ...string) types.ConfigDetails {
	workingDir, err := os.Getwd()
	if err != nil {
		panic(err)
	}

	return types.ConfigDetails{
		WorkingDir:  workingDir,
		ConfigFiles: buildConfigFiles(yamls),
		Environment: env,
	}
}

func buildConfigFiles(yamls []string) []types.ConfigFile {
	configFiles := []types.ConfigFile{}
	for i, yaml := range yamls {
		configFiles = append(configFiles, types.ConfigFile{
			Filename: fmt.Sprintf("filename%d.yml", i),
			Content:  []byte(yaml)})
	}
	return configFiles
}

func loadYAML(yaml string) (*types.Project, error) {
	return loadYAMLWithEnv(yaml, nil)
}

func loadYAMLWithEnv(yaml string, env map[string]string) (*types.Project, error) {
	return Load(buildConfigDetails(yaml, env), func(options *Options) {
		options.SkipConsistencyCheck = true
		options.SkipNormalization = true
		options.ResolvePaths = true
	})
}

var sampleYAML = `
services:
  foo:
    image: busybox
    networks:
      with_me:
  bar:
    image: busybox
    environment:
      - FOO=1
    networks:
      - with_ipam
volumes:
  hello:
    driver: default
    driver_opts:
      beep: boop
networks:
  default:
    driver: bridge
    driver_opts:
      beep: boop
  with_ipam:
    ipam:
      driver: default
      config:
        - subnet: 172.28.0.0/16
`

var sampleDict = map[string]interface{}{
	"services": map[string]interface{}{
		"foo": map[string]interface{}{
			"image":    "busybox",
			"networks": map[string]interface{}{"with_me": nil},
		},
		"bar": map[string]interface{}{
			"image":       "busybox",
			"environment": []interface{}{"FOO=1"},
			"networks":    []interface{}{"with_ipam"},
		},
	},
	"volumes": map[string]interface{}{
		"hello": map[string]interface{}{
			"driver": "default",
			"driver_opts": map[string]interface{}{
				"beep": "boop",
			},
		},
	},
	"networks": map[string]interface{}{
		"default": map[string]interface{}{
			"driver": "bridge",
			"driver_opts": map[string]interface{}{
				"beep": "boop",
			},
		},
		"with_ipam": map[string]interface{}{
			"ipam": map[string]interface{}{
				"driver": "default",
				"config": []interface{}{
					map[string]interface{}{
						"subnet": "172.28.0.0/16",
					},
				},
			},
		},
	},
}

var samplePortsConfig = []types.ServicePortConfig{
	{
		Mode:      "ingress",
		Target:    8080,
		Published: "80",
		Protocol:  "tcp",
	},
	{
		Mode:      "ingress",
		Target:    8081,
		Published: "81",
		Protocol:  "tcp",
	},
	{
		Mode:      "ingress",
		Target:    8082,
		Published: "82",
		Protocol:  "tcp",
	},
	{
		Mode:      "ingress",
		Target:    8090,
		Published: "90",
		Protocol:  "udp",
	},
	{
		Mode:      "ingress",
		Target:    8091,
		Published: "91",
		Protocol:  "udp",
	},
	{
		Mode:      "ingress",
		Target:    8092,
		Published: "92",
		Protocol:  "udp",
	},
	{
		Mode:      "ingress",
		Target:    8500,
		Published: "85",
		Protocol:  "tcp",
	},
	{
		Mode:     "ingress",
		Target:   8600,
		Protocol: "tcp",
	},
	{
		Target:    53,
		Published: "10053",
		Protocol:  "udp",
	},
	{
		Mode:      "host",
		Target:    22,
		Published: "10022",
	},
}

func strPtr(val string) *string {
	return &val
}

var sampleConfig = types.Config{
	Services: []types.ServiceConfig{
		{
			Name:        "foo",
			Image:       "busybox",
			Environment: map[string]*string{},
			Networks: map[string]*types.ServiceNetworkConfig{
				"with_me": nil,
			},
			Scale: 1,
		},
		{
			Name:        "bar",
			Image:       "busybox",
			Environment: map[string]*string{"FOO": strPtr("1")},
			Networks: map[string]*types.ServiceNetworkConfig{
				"with_ipam": nil,
			},
			Scale: 1,
		},
	},
	Networks: map[string]types.NetworkConfig{
		"default": {
			Driver: "bridge",
			DriverOpts: map[string]string{
				"beep": "boop",
			},
		},
		"with_ipam": {
			Ipam: types.IPAMConfig{
				Driver: "default",
				Config: []*types.IPAMPool{
					{
						Subnet: "172.28.0.0/16",
					},
				},
			},
		},
	},
	Volumes: map[string]types.VolumeConfig{
		"hello": {
			Driver: "default",
			DriverOpts: map[string]string{
				"beep": "boop",
			},
		},
	},
}

func TestParseYAML(t *testing.T) {
	dict, err := ParseYAML([]byte(sampleYAML))
	assert.NilError(t, err)
	assert.Check(t, is.DeepEqual(sampleDict, dict))
}

func TestLoad(t *testing.T) {
	actual, err := Load(buildConfigDetails(sampleYAML, nil), func(options *Options) {
		options.SkipNormalization = true
		options.SkipConsistencyCheck = true
	})
	assert.NilError(t, err)
	assert.Check(t, is.DeepEqual(serviceSort(sampleConfig.Services), serviceSort(actual.Services)))
	assert.Check(t, is.DeepEqual(sampleConfig.Networks, actual.Networks))
	assert.Check(t, is.DeepEqual(sampleConfig.Volumes, actual.Volumes))
}

func TestLoadFromFile(t *testing.T) {
	workingDir, err := os.Getwd()
	if err != nil {
		t.Fatalf("os.Getwd(): %s", err)
	}
	tmpdir := t.TempDir()
	tmpPath := filepath.Join(tmpdir, "Docker-compose.yaml")
	if err := os.WriteFile(tmpPath, []byte(sampleYAML), 0444); err != nil {
		t.Fatalf("failed to write temporary file: %s", err)
	}
	actual, err := Load(types.ConfigDetails{
		WorkingDir: workingDir,
		ConfigFiles: []types.ConfigFile{{
			Filename: tmpPath,
		}},
		Environment: nil,
	}, func(options *Options) {
		options.SkipNormalization = true
		options.SkipConsistencyCheck = true
	})
	assert.NilError(t, err)
	assert.Check(t, is.DeepEqual(serviceSort(sampleConfig.Services), serviceSort(actual.Services)))
	assert.Check(t, is.DeepEqual(sampleConfig.Networks, actual.Networks))
	assert.Check(t, is.DeepEqual(sampleConfig.Volumes, actual.Volumes))
}

func TestLoadExtensions(t *testing.T) {
	actual, err := loadYAML(`
services:
  foo:
    image: busybox
    x-foo: bar`)
	assert.NilError(t, err)
	assert.Check(t, is.Len(actual.Services, 1))
	service := actual.Services[0]
	assert.Check(t, is.Equal("busybox", service.Image))
	extras := map[string]interface{}{
		"x-foo": "bar",
	}
	assert.Check(t, is.DeepEqual(extras, service.Extensions))
}

func TestLoadExtends(t *testing.T) {
	actual, err := loadYAML(`
services:
  foo:
    image: busybox
    extends:
      service: bar
  bar:
    image: alpine
    command: echo`)
	assert.NilError(t, err)
	assert.Check(t, is.Len(actual.Services, 2))
	service, err := actual.GetService("foo")
	assert.NilError(t, err)
	assert.Check(t, service.Image == "busybox")
	assert.Check(t, service.Command[0] == "echo")
}

func TestLoadExtendsOverrideCommand(t *testing.T) {
	actual, err := loadYAML(`
services:
  foo:
    image: busybox
    extends:
      service: bar
    command: "/bin/ash -c \"rm -rf /tmp/might-not-exist\""
  bar:
    image: alpine
    command: "/bin/ash -c \"echo Oh no...\""`)
	assert.NilError(t, err)
	assert.Check(t, is.Len(actual.Services, 2))
	service, err := actual.GetService("foo")
	assert.NilError(t, err)
	assert.Check(t, service.Image == "busybox")
	assert.DeepEqual(t, service.Command, types.ShellCommand{"/bin/ash", "-c", "rm -rf /tmp/might-not-exist"})
}

func TestLoadCredentialSpec(t *testing.T) {
	actual, err := loadYAML(`
services:
  foo:
    image: busybox
    credential_spec:
      config: "0bt9dmxjvjiqermk6xrop3ekq"
`)
	assert.NilError(t, err)
	assert.Assert(t, is.Len(actual.Services, 1))
	assert.Check(t, is.Equal(actual.Services[0].CredentialSpec.Config, "0bt9dmxjvjiqermk6xrop3ekq"))
}

func TestParseAndLoad(t *testing.T) {
	actual, err := loadYAML(sampleYAML)
	assert.NilError(t, err)
	assert.Check(t, is.DeepEqual(serviceSort(sampleConfig.Services), serviceSort(actual.Services)))
	assert.Check(t, is.DeepEqual(sampleConfig.Networks, actual.Networks))
	assert.Check(t, is.DeepEqual(sampleConfig.Volumes, actual.Volumes))
}

func TestInvalidTopLevelObjectType(t *testing.T) {
	_, err := loadYAML("1")
	assert.ErrorContains(t, err, "Top-level object must be a mapping")

	_, err = loadYAML("\"hello\"")
	assert.ErrorContains(t, err, "Top-level object must be a mapping")

	_, err = loadYAML("[\"hello\"]")
	assert.ErrorContains(t, err, "Top-level object must be a mapping")
}

func TestNonStringKeys(t *testing.T) {
	_, err := loadYAML(`
123:
  foo:
    image: busybox
`)
	assert.ErrorContains(t, err, "Non-string key at top level: 123")

	_, err = loadYAML(`
services:
  foo:
    image: busybox
  123:
    image: busybox
`)
	assert.ErrorContains(t, err, "Non-string key in services: 123")

	_, err = loadYAML(`
services:
  foo:
    image: busybox
networks:
  default:
    ipam:
      config:
        - 123: oh dear
`)
	assert.ErrorContains(t, err, "Non-string key in networks.default.ipam.config[0]: 123")

	_, err = loadYAML(`
services:
  dict-env:
    image: busybox
    environment:
      1: FOO
`)
	assert.ErrorContains(t, err, "Non-string key in services.dict-env.environment: 1")
}

func TestV1Unsupported(t *testing.T) {
	_, err := loadYAML(`
foo:
  image: busybox
`)
	assert.Check(t, err != nil)
}

func TestNonMappingObject(t *testing.T) {
	_, err := loadYAML(`
services:
  - foo:
      image: busybox
`)
	assert.ErrorContains(t, err, "services must be a mapping")

	_, err = loadYAML(`
services:
  foo: busybox
`)
	assert.ErrorContains(t, err, "services.foo must be a mapping")

	_, err = loadYAML(`
networks:
  - default:
      driver: bridge
`)
	assert.ErrorContains(t, err, "networks must be a mapping")

	_, err = loadYAML(`
networks:
  default: bridge
`)
	assert.ErrorContains(t, err, "networks.default must be a mapping")

	_, err = loadYAML(`
volumes:
  - data:
      driver: local
`)
	assert.ErrorContains(t, err, "volumes must be a mapping")

	_, err = loadYAML(`
volumes:
  data: local
`)
	assert.ErrorContains(t, err, "volumes.data must be a mapping")
}

func TestNonStringImage(t *testing.T) {
	_, err := loadYAML(`
services:
  foo:
    image: ["busybox", "latest"]
`)
	assert.ErrorContains(t, err, "services.foo.image must be a string")
}

func TestLoadWithEnvironment(t *testing.T) {
	config, err := loadYAMLWithEnv(`
services:
  dict-env:
    image: busybox
    environment:
      FOO: "1"
      BAR: 2
      GA: 2.5
      BU: ""
      ZO:
      MEU:
  list-env:
    image: busybox
    environment:
      - FOO=1
      - BAR=2
      - GA=2.5
      - BU=
      - ZO
      - MEU
`, map[string]string{"MEU": "Shadoks"})
	assert.NilError(t, err)

	expected := types.MappingWithEquals{
		"FOO": strPtr("1"),
		"BAR": strPtr("2"),
		"GA":  strPtr("2.5"),
		"BU":  strPtr(""),
		"ZO":  nil,
		"MEU": strPtr("Shadoks"),
	}

	assert.Check(t, is.Equal(2, len(config.Services)))

	for _, service := range config.Services {
		assert.Check(t, is.DeepEqual(expected, service.Environment))
	}
}

func TestLoadEnvironmentWithBoolean(t *testing.T) {
	config, err := loadYAML(`
services:
  dict-env:
    image: busybox
    environment:
      FOO: true
      BAR: false
`)
	assert.NilError(t, err)

	expected := types.MappingWithEquals{
		"FOO": strPtr("true"),
		"BAR": strPtr("false"),
	}

	assert.Check(t, is.Equal(1, len(config.Services)))

	for _, service := range config.Services {
		assert.Check(t, is.DeepEqual(expected, service.Environment))
	}
}

func TestInvalidEnvironmentValue(t *testing.T) {
	_, err := loadYAML(`
services:
  dict-env:
    image: busybox
    environment:
      FOO: ["1"]
`)
	assert.ErrorContains(t, err, "services.dict-env.environment.FOO must be a string, number, boolean or null")
}

func TestInvalidEnvironmentObject(t *testing.T) {
	_, err := loadYAML(`
services:
  dict-env:
    image: busybox
    environment: "FOO=1"
`)
	assert.ErrorContains(t, err, "services.dict-env.environment must be a mapping")
}

func TestLoadWithEnvironmentInterpolation(t *testing.T) {
	home := "/home/foo"
	config, err := loadYAMLWithEnv(`
# This is a comment, so using variable syntax here ${SHOULD_NOT_BREAK} parsing
services:
  test:
    image: busybox
    labels:
      - home1=$HOME
      - home2=${HOME}
      - nonexistent=$NONEXISTENT
      - default=${NONEXISTENT-default}
networks:
  test:
    driver: $HOME
volumes:
  test:
    driver: $HOME
`, map[string]string{
		"HOME": home,
		"FOO":  "foo",
	})

	assert.NilError(t, err)

	expectedLabels := types.Labels{
		"home1":       home,
		"home2":       home,
		"nonexistent": "",
		"default":     "default",
	}

	assert.Check(t, is.DeepEqual(expectedLabels, config.Services[0].Labels))
	assert.Check(t, is.Equal(home, config.Networks["test"].Driver))
	assert.Check(t, is.Equal(home, config.Volumes["test"].Driver))
}

func TestLoadWithInterpolationCastFull(t *testing.T) {
	dict := `
services:
  web:
    configs:
      - source: appconfig
        mode: $theint
    secrets:
      - source: super
        mode: $theint
    healthcheck:
      retries: ${theint}
      disable: $thebool
    deploy:
      replicas: $theint
      update_config:
        parallelism: $theint
        max_failure_ratio: $thefloat
      rollback_config:
        parallelism: $theint
        max_failure_ratio: $thefloat
      restart_policy:
        max_attempts: $theint
      placement:
        max_replicas_per_node: $theint
    ports:
      - $theint
      - "34567"
      - target: $theint
        published: "$theint"
        x-foo-bar: true
    ulimits:
      nproc: $theint
      nofile:
        hard: $theint
        soft: $theint
    privileged: $thebool
    read_only: $thebool
    shm_size: ${thesize}
    stop_grace_period: ${theduration}
    stdin_open: ${thebool}
    tty: $thebool
    volumes:
      - source: data
        type: volume
        read_only: $thebool
        volume:
          nocopy: $thebool

configs:
  appconfig:
    external: $thebool
secrets:
  super:
    external: $thebool
volumes:
  data:
    external: $thebool
networks:
  front:
    external: $thebool
    internal: $thebool
    attachable: $thebool
  back:
`
	env := map[string]string{
		"theint":      "555",
		"thefloat":    "3.14",
		"thebool":     "true",
		"theduration": "60s",
		"thesize":     "2gb",
	}

	config, err := Load(buildConfigDetails(dict, env), func(options *Options) {
		options.SkipNormalization = true
		options.SkipConsistencyCheck = true
	})
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)
	duration, err := time.ParseDuration("60s")
	assert.NilError(t, err)
	typesDuration := types.Duration(duration)
	expected := &types.Project{
		Name:        "",
		Environment: env,
		WorkingDir:  workingDir,
		Services: []types.ServiceConfig{
			{
				Name: "web",
				Configs: []types.ServiceConfigObjConfig{
					{
						Source: "appconfig",
						Mode:   uint32Ptr(555),
					},
				},
				Secrets: []types.ServiceSecretConfig{
					{
						Source: "super",
						Mode:   uint32Ptr(555),
					},
				},
				HealthCheck: &types.HealthCheckConfig{
					Retries: uint64Ptr(555),
					Disable: true,
				},
				Deploy: &types.DeployConfig{
					Replicas: uint64Ptr(555),
					UpdateConfig: &types.UpdateConfig{
						Parallelism:     uint64Ptr(555),
						MaxFailureRatio: 3.14,
					},
					RollbackConfig: &types.UpdateConfig{
						Parallelism:     uint64Ptr(555),
						MaxFailureRatio: 3.14,
					},
					RestartPolicy: &types.RestartPolicy{
						MaxAttempts: uint64Ptr(555),
					},
					Placement: types.Placement{
						MaxReplicas: 555,
					},
				},
				Ports: []types.ServicePortConfig{
					{Target: 555, Mode: "ingress", Protocol: "tcp"},
					{Target: 34567, Mode: "ingress", Protocol: "tcp"},
					{Target: 555, Published: "555", Extensions: map[string]interface{}{"x-foo-bar": true}},
				},
				Ulimits: map[string]*types.UlimitsConfig{
					"nproc":  {Single: 555},
					"nofile": {Hard: 555, Soft: 555},
				},
				Privileged:      true,
				ReadOnly:        true,
				Scale:           1,
				ShmSize:         types.UnitBytes(2 * 1024 * 1024 * 1024),
				StopGracePeriod: &typesDuration,
				StdinOpen:       true,
				Tty:             true,
				Volumes: []types.ServiceVolumeConfig{
					{
						Source:   "data",
						Type:     "volume",
						ReadOnly: true,
						Volume:   &types.ServiceVolumeVolume{NoCopy: true},
					},
				},
				Environment: types.MappingWithEquals{},
			},
		},
		Configs: map[string]types.ConfigObjConfig{
			"appconfig": {External: types.External{External: true}, Name: "appconfig"},
		},
		Secrets: map[string]types.SecretConfig{
			"super": {External: types.External{External: true}, Name: "super"},
		},
		Volumes: map[string]types.VolumeConfig{
			"data": {External: types.External{External: true}, Name: "data"},
		},
		Networks: map[string]types.NetworkConfig{
			"back": {},
			"front": {
				External:   types.External{External: true},
				Name:       "front",
				Internal:   true,
				Attachable: true,
			},
		},
	}

	assert.Check(t, is.DeepEqual(expected, config))
}

func TestUnsupportedProperties(t *testing.T) {
	dict := `
services:
  web:
    image: web
    build:
     context: ./web
    links:
      - bar
    pid: host
  db:
    image: db
    build:
     context: ./db
`
	configDetails := buildConfigDetails(dict, nil)

	_, err := Load(configDetails)
	assert.NilError(t, err)
}

func TestDiscardEnvFileOption(t *testing.T) {
	dict := `services:
  web:
    image: nginx
    env_file:
     - example1.env
     - example2.env
`
	expectedEnvironmentMap := types.MappingWithEquals{
		"FOO":                 strPtr("foo_from_env_file"),
		"BAZ":                 strPtr("baz_from_env_file"),
		"BAR":                 strPtr("bar_from_env_file_2"), // Original value is overwritten by example2.env
		"QUX":                 strPtr("quz_from_env_file_2"),
		"ENV.WITH.DOT":        strPtr("ok"),
		"ENV_WITH_UNDERSCORE": strPtr("ok"),
	}
	configDetails := buildConfigDetails(dict, nil)

	// Default behavior keeps the `env_file` entries
	configWithEnvFiles, err := Load(configDetails)
	assert.NilError(t, err)
	assert.DeepEqual(t, configWithEnvFiles.Services[0].EnvFile, types.StringList{"example1.env",
		"example2.env"})
	assert.DeepEqual(t, configWithEnvFiles.Services[0].Environment, expectedEnvironmentMap)

	// Custom behavior removes the `env_file` entries
	configWithoutEnvFiles, err := Load(configDetails, WithDiscardEnvFiles)
	assert.NilError(t, err)
	assert.DeepEqual(t, configWithoutEnvFiles.Services[0].EnvFile, types.StringList(nil))
	assert.DeepEqual(t, configWithoutEnvFiles.Services[0].Environment, expectedEnvironmentMap)
}

func TestBuildProperties(t *testing.T) {
	dict := `
services:
  web:
    image: web
    build: .
    links:
      - bar
  db:
    image: db
    build:
     context: ./db
`
	configDetails := buildConfigDetails(dict, nil)
	_, err := Load(configDetails)
	assert.NilError(t, err)
}

func TestDeprecatedProperties(t *testing.T) {
	dict := `
services:
  web:
    image: web
    container_name: web
  db:
    image: db
    container_name: db
    expose: ["5434"]
`
	configDetails := buildConfigDetails(dict, nil)

	_, err := Load(configDetails)
	assert.NilError(t, err)
}

func TestInvalidResource(t *testing.T) {
	_, err := loadYAML(`
        services:
          foo:
            image: busybox
            deploy:
              resources:
                impossible:
                  x: 1
`)
	assert.ErrorContains(t, err, "Additional property impossible is not allowed")
}

func TestInvalidExternalAndDriverCombination(t *testing.T) {
	_, err := loadYAML(`
volumes:
  external_volume:
    external: true
    driver: foobar
`)

	assert.ErrorContains(t, err, "conflicting parameters \"external\" and \"driver\" specified for volume")
	assert.ErrorContains(t, err, "external_volume")
}

func TestInvalidExternalAndDirverOptsCombination(t *testing.T) {
	_, err := loadYAML(`
volumes:
  external_volume:
    external: true
    driver_opts:
      beep: boop
`)

	assert.ErrorContains(t, err, "conflicting parameters \"external\" and \"driver_opts\" specified for volume")
	assert.ErrorContains(t, err, "external_volume")
}

func TestInvalidExternalAndLabelsCombination(t *testing.T) {
	_, err := loadYAML(`
volumes:
  external_volume:
    external: true
    labels:
      - beep=boop
`)

	assert.ErrorContains(t, err, "conflicting parameters \"external\" and \"labels\" specified for volume")
	assert.ErrorContains(t, err, "external_volume")
}

func TestLoadVolumeInvalidExternalNameAndNameCombination(t *testing.T) {
	_, err := loadYAML(`
volumes:
  external_volume:
    name: user_specified_name
    external:
      name: external_name
`)

	assert.ErrorContains(t, err, "volume.external.name and volume.name conflict; only use volume.name")
	assert.ErrorContains(t, err, "external_volume")
}

func TestInterpolateInt(t *testing.T) {
	project, err := loadYAMLWithEnv(`
services:
  foo:
    image: foo
    scale: ${FOO_SCALE}
`, map[string]string{"FOO_SCALE": "2"})

	assert.NilError(t, err)
	assert.Equal(t, project.Services[0].Scale, 2)
}

func durationPtr(value time.Duration) *types.Duration {
	result := types.Duration(value)
	return &result
}

func uint64Ptr(value uint64) *uint64 {
	return &value
}

func uint32Ptr(value uint32) *uint32 {
	return &value
}

func TestFullExample(t *testing.T) {
	b, err := os.ReadFile("full-example.yml")
	assert.NilError(t, err)

	homeDir, err := os.UserHomeDir()
	assert.NilError(t, err)
	env := map[string]string{
		"HOME": homeDir,
		"BAR":  "this is a secret",
		"QUX":  "qux_from_environment",
	}
	config, err := loadYAMLWithEnv(string(b), env)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)

	expectedConfig := fullExampleConfig(workingDir, homeDir)

	assert.Check(t, is.DeepEqual(expectedConfig.Name, config.Name))
	assert.Check(t, is.DeepEqual(expectedConfig.Services, config.Services))
	assert.Check(t, is.DeepEqual(expectedConfig.Networks, config.Networks))
	assert.Check(t, is.DeepEqual(expectedConfig.Volumes, config.Volumes))
	assert.Check(t, is.DeepEqual(expectedConfig.Secrets, config.Secrets))
	assert.Check(t, is.DeepEqual(expectedConfig.Configs, config.Configs))
	assert.Check(t, is.DeepEqual(expectedConfig.Extensions, config.Extensions))
}

func TestLoadTmpfsVolume(t *testing.T) {
	for _, size := range []string{"1kb", "1024"} {
		yaml := fmt.Sprintf(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
    - type: tmpfs
      target: /app
      tmpfs:
        size: %s
`, size)
		config, err := loadYAML(yaml)
		assert.NilError(t, err)

		expected := types.ServiceVolumeConfig{
			Target: "/app",
			Type:   "tmpfs",
			Tmpfs: &types.ServiceVolumeTmpfs{
				Size: types.UnitBytes(1024),
			},
		}

		assert.Assert(t, is.Len(config.Services, 1))
		assert.Check(t, is.Len(config.Services[0].Volumes, 1))
		assert.Check(t, is.DeepEqual(expected, config.Services[0].Volumes[0]))
	}
}

func TestLoadTmpfsVolumeAdditionalPropertyNotAllowed(t *testing.T) {
	_, err := loadYAML(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
      - type: tmpfs
        target: /app
        foo:
          bar: zot
`)
	assert.ErrorContains(t, err, "services.tmpfs.volumes.0 Additional property foo is not allowed")
}

func TestLoadBindMountSourceMustNotBeEmpty(t *testing.T) {
	_, err := loadYAML(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
      - type: bind
        target: /app
`)
	assert.Error(t, err, `invalid mount config for type "bind": field Source must not be empty`)
}

func TestLoadBindMountSourceIsWindowsAbsolute(t *testing.T) {
	tests := []struct {
		doc      string
		yaml     string
		expected types.ServiceVolumeConfig
	}{
		{
			doc: "Z-drive lowercase",
			yaml: `
services:
  windows:
    image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
    volumes:
      - type: bind
        source: z:\
        target: c:\data
`,
			expected: types.ServiceVolumeConfig{Type: "bind", Source: `z:\`, Target: `c:\data`},
		},
		{
			doc: "Z-drive uppercase",
			yaml: `
services:
  windows:
    image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
    volumes:
      - type: bind
        source: Z:\
        target: C:\data
`,
			expected: types.ServiceVolumeConfig{Type: "bind", Source: `Z:\`, Target: `C:\data`},
		},
		{
			doc: "Z-drive subdirectory",
			yaml: `
services:
  windows:
    image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
    volumes:
      - type: bind
        source: Z:\some-dir
        target: C:\data
`,
			expected: types.ServiceVolumeConfig{Type: "bind", Source: `Z:\some-dir`, Target: `C:\data`},
		},
		{
			doc: "forward-slashes",
			yaml: `
services:
  app:
    image: app:latest
    volumes:
      - type: bind
        source: /z/some-dir
        target: /c/data
`,
			expected: types.ServiceVolumeConfig{Type: "bind", Source: `/z/some-dir`, Target: `/c/data`},
		},
	}

	for _, tc := range tests {
		t.Run(tc.doc, func(t *testing.T) {
			config, err := loadYAML(tc.yaml)
			assert.NilError(t, err)
			assert.Check(t, is.Len(config.Services[0].Volumes, 1))
			assert.Check(t, is.DeepEqual(tc.expected, config.Services[0].Volumes[0]))
		})
	}
}

func TestLoadBindMountWithSource(t *testing.T) {
	config, err := loadYAML(`
services:
  bind:
    image: nginx:latest
    volumes:
      - type: bind
        target: /app
        source: "."
`)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)

	expected := types.ServiceVolumeConfig{
		Type:   "bind",
		Source: workingDir,
		Target: "/app",
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.Len(config.Services[0].Volumes, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].Volumes[0]))
}

func TestLoadTmpfsVolumeSizeCanBeZero(t *testing.T) {
	config, err := loadYAML(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
      - type: tmpfs
        target: /app
        tmpfs:
          size: 0
`)
	assert.NilError(t, err)

	expected := types.ServiceVolumeConfig{
		Target: "/app",
		Type:   "tmpfs",
		Tmpfs:  &types.ServiceVolumeTmpfs{},
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.Len(config.Services[0].Volumes, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].Volumes[0]))
}

func TestLoadTmpfsVolumeSizeMustBeGTEQZero(t *testing.T) {
	_, err := loadYAML(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
      - type: tmpfs
        target: /app
        tmpfs:
          size: -1
`)
	assert.ErrorContains(t, err, "services.tmpfs.volumes.0.tmpfs.size Must be greater than or equal to 0")
}

func TestLoadTmpfsVolumeSizeMustBeInteger(t *testing.T) {
	_, err := loadYAML(`
services:
  tmpfs:
    image: nginx:latest
    volumes:
      - type: tmpfs
        target: /app
        tmpfs:
          size: 0.0001
`)
	assert.ErrorContains(t, err, "services.tmpfs.volumes.0.tmpfs.size must be a integer")
}

func serviceSort(services []types.ServiceConfig) []types.ServiceConfig {
	sort.Slice(services, func(i, j int) bool {
		return services[i].Name < services[j].Name
	})
	return services
}

func TestLoadAttachableNetwork(t *testing.T) {
	config, err := loadYAML(`
networks:
  mynet1:
    driver: overlay
    attachable: true
  mynet2:
    driver: bridge
`)
	assert.NilError(t, err)

	expected := types.Networks{
		"mynet1": {
			Driver:     "overlay",
			Attachable: true,
		},
		"mynet2": {
			Driver:     "bridge",
			Attachable: false,
		},
	}

	assert.Check(t, is.DeepEqual(expected, config.Networks))
}

func TestLoadExpandedPortFormat(t *testing.T) {
	config, err := loadYAML(`
services:
  web:
    image: busybox
    ports:
      - "80-82:8080-8082"
      - "90-92:8090-8092/udp"
      - "85:8500"
      - 8600
      - protocol: udp
        target: 53
        published: 10053
      - mode: host
        target: 22
        published: 10022
`)
	assert.NilError(t, err)

	assert.Check(t, is.Len(config.Services, 1))
	assert.Check(t, is.DeepEqual(samplePortsConfig, config.Services[0].Ports))
}

func TestLoadExpandedMountFormat(t *testing.T) {
	config, err := loadYAML(`
services:
  web:
    image: busybox
    volumes:
      - type: volume
        source: foo
        target: /target
        read_only: true
volumes:
  foo: {}
`)
	assert.NilError(t, err)

	expected := types.ServiceVolumeConfig{
		Type:     "volume",
		Source:   "foo",
		Target:   "/target",
		ReadOnly: true,
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.Len(config.Services[0].Volumes, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].Volumes[0]))
}

func TestLoadExtraHostsMap(t *testing.T) {
	config, err := loadYAML(`
services:
  web:
    image: busybox
    extra_hosts:
      "zulu": "162.242.195.82"
      "alpha": "50.31.209.229"
`)
	assert.NilError(t, err)

	expected := types.HostsList{
		"alpha": "50.31.209.229",
		"zulu":  "162.242.195.82",
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].ExtraHosts))
}

func TestLoadExtraHostsList(t *testing.T) {
	config, err := loadYAML(`
services:
  web:
    image: busybox
    extra_hosts:
      - "alpha:50.31.209.229"
      - "zulu:ff02::1"
`)
	assert.NilError(t, err)

	expected := types.HostsList{
		"alpha": "50.31.209.229",
		"zulu":  "ff02::1",
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].ExtraHosts))
}

func TestLoadVolumesWarnOnDeprecatedExternalNameVersion34(t *testing.T) {
	buf, cleanup := patchLogrus()
	defer cleanup()

	source := map[string]interface{}{
		"foo": map[string]interface{}{
			"external": map[string]interface{}{
				"name": "oops",
			},
		},
	}
	volumes, err := LoadVolumes(source)
	assert.NilError(t, err)
	expected := map[string]types.VolumeConfig{
		"foo": {
			Name:     "oops",
			External: types.External{External: true},
		},
	}
	assert.Check(t, is.DeepEqual(expected, volumes))
	assert.Check(t, is.Contains(buf.String(), "volume.external.name is deprecated"))

}

func patchLogrus() (*bytes.Buffer, func()) {
	buf := new(bytes.Buffer)
	out := logrus.StandardLogger().Out
	logrus.SetOutput(buf)
	return buf, func() { logrus.SetOutput(out) }
}

func TestLoadVolumesWarnOnDeprecatedExternalName(t *testing.T) {
	buf, cleanup := patchLogrus()
	defer cleanup()

	source := map[string]interface{}{
		"foo": map[string]interface{}{
			"external": map[string]interface{}{
				"name": "oops",
			},
		},
	}
	volumes, err := LoadVolumes(source)
	assert.NilError(t, err)
	expected := map[string]types.VolumeConfig{
		"foo": {
			Name:     "oops",
			External: types.External{External: true},
		},
	}
	assert.Check(t, is.DeepEqual(expected, volumes))
	assert.Check(t, strings.Contains(buf.String(), "volume foo: volume.external.name is deprecated in favor of volume.name"))
}

func TestLoadInvalidIsolation(t *testing.T) {
	// validation should be done only on the daemon side
	actual, err := loadYAML(`
services:
  foo:
    image: busybox
    isolation: invalid
configs:
  super:
    external: true
`)
	assert.NilError(t, err)
	assert.Assert(t, is.Len(actual.Services, 1))
	assert.Check(t, is.Equal("invalid", actual.Services[0].Isolation))
}

func TestLoadSecretInvalidExternalNameAndNameCombination(t *testing.T) {
	_, err := loadYAML(`
secrets:
  external_secret:
    name: user_specified_name
    external:
      name: external_name
`)

	assert.ErrorContains(t, err, "secret.external.name and secret.name conflict; only use secret.name")
	assert.ErrorContains(t, err, "external_secret")
}

func TestLoadSecretsWarnOnDeprecatedExternalNameVersion35(t *testing.T) {
	buf, cleanup := patchLogrus()
	defer cleanup()

	source := map[string]interface{}{
		"foo": map[string]interface{}{
			"external": map[string]interface{}{
				"name": "oops",
			},
		},
	}
	details := types.ConfigDetails{}
	secrets, err := LoadSecrets(source, details, true)
	assert.NilError(t, err)
	expected := map[string]types.SecretConfig{
		"foo": {
			Name:     "oops",
			External: types.External{External: true},
		},
	}
	assert.Check(t, is.DeepEqual(expected, secrets))
	assert.Check(t, is.Contains(buf.String(), "secret.external.name is deprecated"))
}

func TestLoadNetworksWarnOnDeprecatedExternalNameVersion35(t *testing.T) {
	buf, cleanup := patchLogrus()
	defer cleanup()

	source := map[string]interface{}{
		"foo": map[string]interface{}{
			"external": map[string]interface{}{
				"name": "oops",
			},
		},
	}
	networks, err := LoadNetworks(source)
	assert.NilError(t, err)
	expected := map[string]types.NetworkConfig{
		"foo": {
			Name:     "oops",
			External: types.External{External: true},
		},
	}
	assert.Check(t, is.DeepEqual(expected, networks))
	assert.Check(t, is.Contains(buf.String(), "network.external.name is deprecated"))

}

func TestLoadNetworksWarnOnDeprecatedExternalName(t *testing.T) {
	buf, cleanup := patchLogrus()
	defer cleanup()

	source := map[string]interface{}{
		"foo": map[string]interface{}{
			"external": map[string]interface{}{
				"name": "oops",
			},
		},
	}
	networks, err := LoadNetworks(source)
	assert.NilError(t, err)
	expected := map[string]types.NetworkConfig{
		"foo": {
			Name:     "oops",
			External: types.External{External: true},
		},
	}
	assert.Check(t, is.DeepEqual(expected, networks))
	assert.Check(t, strings.Contains(buf.String(), "network foo: network.external.name is deprecated. Please set network.name with external: true"))
}

func TestLoadNetworkInvalidExternalNameAndNameCombination(t *testing.T) {
	_, err := loadYAML(`
networks:
  foo:
    name: user_specified_name
    external:
      name: external_name
`)

	assert.ErrorContains(t, err, "network.external.name and network.name conflict; only use network.name")
	assert.ErrorContains(t, err, "foo")
}

func TestLoadNetworkWithName(t *testing.T) {
	config, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    networks:
      - network1
      - network3

networks:
  network1:
    name: network2
  network3:
`)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)
	expected := &types.Project{
		Name:       "",
		WorkingDir: workingDir,
		Services: types.Services{
			{
				Name:  "hello-world",
				Image: "redis:alpine",
				Scale: 1,
				Networks: map[string]*types.ServiceNetworkConfig{
					"network1": nil,
					"network3": nil,
				},
			},
		},
		Networks: map[string]types.NetworkConfig{
			"network1": {Name: "network2"},
			"network3": {},
		},
	}
	assert.DeepEqual(t, config, expected, cmpopts.EquateEmpty())
}

func TestLoadNetworkLinkLocalIPs(t *testing.T) {
	config, err := loadYAML(`
services:
  foo:
    image: alpine
    networks:
      network1:
        ipv4_address: 10.1.0.100
        ipv6_address: 2001:db8:0:1::100
        link_local_ips:
          - fe80::1:95ff:fe20:100
networks:
  network1:
    driver: bridge
    enable_ipv6: true
    name: network1
    ipam:
      config:
        - subnet: 10.1.0.0/16
        - subnet: 2001:db8:0:1::/64
`)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)
	expected := &types.Project{
		Name:       "",
		WorkingDir: workingDir,
		Services: types.Services{
			{
				Name:  "foo",
				Image: "alpine",
				Scale: 1,
				Networks: map[string]*types.ServiceNetworkConfig{
					"network1": {
						Ipv4Address: "10.1.0.100",
						Ipv6Address: "2001:db8:0:1::100",
						LinkLocalIPs: []string{
							"fe80::1:95ff:fe20:100",
						},
					},
				},
			},
		},
		Networks: map[string]types.NetworkConfig{
			"network1": {
				Name:       "network1",
				Driver:     "bridge",
				EnableIPv6: true,
				Ipam: types.IPAMConfig{
					Config: []*types.IPAMPool{
						{Subnet: "10.1.0.0/16"},
						{Subnet: "2001:db8:0:1::/64"},
					},
				},
			},
		},
	}
	assert.DeepEqual(t, config, expected, cmpopts.EquateEmpty())
}

func TestLoadInit(t *testing.T) {
	booleanTrue := true
	booleanFalse := false

	var testcases = []struct {
		doc  string
		yaml string
		init *bool
	}{
		{
			doc: "no init defined",
			yaml: `
services:
  foo:
    image: alpine`,
		},
		{
			doc: "has true init",
			yaml: `
services:
  foo:
    image: alpine
    init: true`,
			init: &booleanTrue,
		},
		{
			doc: "has false init",
			yaml: `
services:
  foo:
    image: alpine
    init: false`,
			init: &booleanFalse,
		},
	}
	for _, testcase := range testcases {
		testcase := testcase
		t.Run(testcase.doc, func(t *testing.T) {
			config, err := loadYAML(testcase.yaml)
			assert.NilError(t, err)
			assert.Check(t, is.Len(config.Services, 1))
			assert.Check(t, is.DeepEqual(config.Services[0].Init, testcase.init))
		})
	}
}

func TestLoadSysctls(t *testing.T) {
	config, err := loadYAML(`
services:
  web:
    image: busybox
    sysctls:
      - net.core.somaxconn=1024
      - net.ipv4.tcp_syncookies=0
      - testing.one.one=
      - testing.one.two
`)
	assert.NilError(t, err)

	expected := types.Mapping{
		"net.core.somaxconn":      "1024",
		"net.ipv4.tcp_syncookies": "0",
		"testing.one.one":         "",
		"testing.one.two":         "",
	}

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].Sysctls))

	config, err = loadYAML(`
services:
  web:
    image: busybox
    sysctls:
      net.core.somaxconn: 1024
      net.ipv4.tcp_syncookies: 0
      testing.one.one: ""
      testing.one.two:
`)
	assert.NilError(t, err)

	assert.Assert(t, is.Len(config.Services, 1))
	assert.Check(t, is.DeepEqual(expected, config.Services[0].Sysctls))
}

func TestTransform(t *testing.T) {
	var source = []interface{}{
		"80-82:8080-8082",
		"90-92:8090-8092/udp",
		"85:8500",
		8600,
		map[string]interface{}{
			"protocol":  "udp",
			"target":    53,
			"published": 10053,
		},
		map[string]interface{}{
			"mode":      "host",
			"target":    22,
			"published": 10022,
		},
	}
	var ports []types.ServicePortConfig
	err := Transform(source, &ports)
	assert.NilError(t, err)

	assert.Check(t, is.DeepEqual(samplePortsConfig, ports))
}

func TestLoadTemplateDriver(t *testing.T) {
	config, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    secrets:
      - secret
    configs:
      - config

configs:
  config:
    name: config
    external: true
    template_driver: config-driver

secrets:
  secret:
    name: secret
    external: true
    template_driver: secret-driver
`)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)

	expected := &types.Project{
		Name:       "",
		WorkingDir: workingDir,
		Services: types.Services{
			{
				Name:  "hello-world",
				Image: "redis:alpine",
				Configs: []types.ServiceConfigObjConfig{
					{
						Source: "config",
					},
				},
				Scale: 1,
				Secrets: []types.ServiceSecretConfig{
					{
						Source: "secret",
					},
				},
			},
		},
		Configs: map[string]types.ConfigObjConfig{
			"config": {
				Name:           "config",
				External:       types.External{External: true},
				TemplateDriver: "config-driver",
			},
		},
		Secrets: map[string]types.SecretConfig{
			"secret": {
				Name:           "secret",
				External:       types.External{External: true},
				TemplateDriver: "secret-driver",
			},
		},
	}
	assert.DeepEqual(t, config, expected, cmpopts.EquateEmpty())
}

func TestLoadSecretDriver(t *testing.T) {
	config, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    secrets:
      - secret
    configs:
      - config

configs:
  config:
    name: config
    external: true

secrets:
  secret:
    name: secret
    driver: secret-bucket
    driver_opts:
      OptionA: value for driver option A
      OptionB: value for driver option B
`)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)

	expected := &types.Project{
		Name:       "",
		WorkingDir: workingDir,
		Services: types.Services{
			{
				Name:  "hello-world",
				Image: "redis:alpine",
				Configs: []types.ServiceConfigObjConfig{
					{
						Source: "config",
					},
				},
				Scale: 1,
				Secrets: []types.ServiceSecretConfig{
					{
						Source: "secret",
					},
				},
			},
		},
		Configs: map[string]types.ConfigObjConfig{
			"config": {
				Name:     "config",
				External: types.External{External: true},
			},
		},
		Secrets: map[string]types.SecretConfig{
			"secret": {
				Name:   "secret",
				Driver: "secret-bucket",
				DriverOpts: map[string]string{
					"OptionA": "value for driver option A",
					"OptionB": "value for driver option B",
				},
			},
		},
	}
	assert.DeepEqual(t, config, expected, cmpopts.EquateEmpty())
}

func TestComposeFileWithVersion(t *testing.T) {
	b, err := os.ReadFile("testdata/compose-test-with-version.yaml")
	assert.NilError(t, err)

	homeDir, err := os.UserHomeDir()
	assert.NilError(t, err)
	env := map[string]string{"HOME": homeDir, "QUX": "qux_from_environment"}
	config, err := loadYAMLWithEnv(string(b), env)
	assert.NilError(t, err)

	workingDir, err := os.Getwd()
	assert.NilError(t, err)

	expectedConfig := withVersionExampleConfig(workingDir, homeDir)

	sort.Slice(config.Services, func(i, j int) bool {
		return config.Services[i].Name > config.Services[j].Name
	})
	assert.Check(t, is.DeepEqual(expectedConfig.Services, config.Services))
	assert.Check(t, is.DeepEqual(expectedConfig.Networks, config.Networks))
	assert.Check(t, is.DeepEqual(expectedConfig.Volumes, config.Volumes))
}

func TestLoadWithExtends(t *testing.T) {
	b, err := os.ReadFile("testdata/compose-test-extends.yaml")
	assert.NilError(t, err)

	configDetails := types.ConfigDetails{
		WorkingDir: "testdata",
		ConfigFiles: []types.ConfigFile{
			{Filename: "testdata/compose-test-extends.yaml", Content: b},
		},
	}

	actual, err := Load(configDetails)
	assert.NilError(t, err)

	expServices := types.Services{
		{
			Name:  "importer",
			Image: "nginx",
			Extends: types.ExtendsConfig{
				"file":    strPtr("compose-test-extends-imported.yaml"),
				"service": strPtr("imported"),
			},
			Environment: types.MappingWithEquals{},
			Networks:    map[string]*types.ServiceNetworkConfig{"default": nil},
			Volumes: []types.ServiceVolumeConfig{{
				Type:   "bind",
				Source: "/opt/data",
				Target: "/var/lib/mysql",
				Bind:   &types.ServiceVolumeBind{CreateHostPath: true},
			}},
			Scale: 1,
		},
	}
	assert.Check(t, is.DeepEqual(expServices, actual.Services))
}

func TestServiceDeviceRequestCount(t *testing.T) {
	_, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              capabilities: [gpu]
              count: all
`)
	assert.NilError(t, err)
}

func TestServiceDeviceRequestCountType(t *testing.T) {
	_, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              capabilities: [gpu]
              count: somestring
`)
	assert.ErrorContains(t, err, "invalid string value for 'count' (the only value allowed is 'all')")
}

func TestServicePullPolicy(t *testing.T) {
	actual, err := loadYAML(`
services:
  hello-world:
    image: redis:alpine
    pull_policy: always
`)
	assert.NilError(t, err)
	svc, err := actual.GetService("hello-world")
	assert.NilError(t, err)
	assert.Equal(t, "always", svc.PullPolicy)
}

func TestEmptyList(t *testing.T) {
	_, err := loadYAML(`
services:
  test:
    image: nginx:latest
    ports: []
`)
	assert.NilError(t, err)
}

func TestLoadServiceWithEnvFile(t *testing.T) {
	file, err := os.CreateTemp("", "test-compose-go")
	assert.NilError(t, err)
	defer os.Remove(file.Name())

	_, err = file.Write([]byte("HALLO=$TEST"))
	assert.NilError(t, err)

	m := map[string]interface{}{
		"env_file": file.Name(),
	}
	s, err := LoadService("Test Name", m, ".", func(s string) (string, bool) {
		if s == "TEST" {
			return "YES", true
		}
		return "", false
	}, true, false)
	assert.NilError(t, err)
	assert.Equal(t, "YES", *s.Environment["HALLO"])
}

func TestLoadServiceWithVolumes(t *testing.T) {
	m := map[string]interface{}{
		"volumes": []interface{}{
			"source:/path 1/",
			map[string]interface{}{
				"target": "/path 2/",
			},
		},
		"configs": []interface{}{
			map[string]interface{}{
				"target": "/path 3/",
			},
		},
		"secrets": []interface{}{
			map[string]interface{}{
				"target": "/path 4/",
			},
		},
	}
	s, err := LoadService("Test Name", m, ".", nil, true, false)
	assert.NilError(t, err)
	assert.Equal(t, len(s.Volumes), 2)
	assert.Equal(t, "/path 1", s.Volumes[0].Target)
	assert.Equal(t, "/path 2", s.Volumes[1].Target)
	assert.Equal(t, len(s.Configs), 1)
	assert.Equal(t, "/path 3", s.Configs[0].Target)
	assert.Equal(t, len(s.Secrets), 1)
	assert.Equal(t, "/path 4", s.Secrets[0].Target)
}

func TestLoadNoSSHInBuildConfig(t *testing.T) {
	actual, err := loadYAML(`
services:
  test:
    build:
      context: .
`)
	assert.NilError(t, err)
	svc, err := actual.GetService("test")
	assert.NilError(t, err)
	assert.Check(t, svc.Build.SSH == nil)
}

func TestLoadSSHWithoutValueInBuildConfig(t *testing.T) {
	_, err := loadYAML(`
services:
  test:
    build:
      context: .
      ssh:
`)
	assert.ErrorContains(t, err, "services.test.build.ssh must be a mapping")
}

func TestLoadSSHWithDefaultValueInBuildConfig(t *testing.T) {
	actual, err := loadYAML(`
services:
  test:
    build:
      context: .
      ssh: [default]
`)
	assert.NilError(t, err)
	svc, err := actual.GetService("test")
	assert.NilError(t, err)
	sshValue, err := svc.Build.SSH.Get("default")
	assert.NilError(t, err)
	assert.Equal(t, "", sshValue)
}

func TestLoadSSHWithKeyValueInBuildConfig(t *testing.T) {
	actual, err := loadYAML(`
services:
  test:
    build:
      context: .
      ssh: 
        key1: value1
`)
	assert.NilError(t, err)
	svc, err := actual.GetService("test")
	assert.NilError(t, err)
	sshValue, err := svc.Build.SSH.Get("key1")
	assert.NilError(t, err)
	assert.Equal(t, "value1", sshValue)
}

func TestLoadSSHWithKeysValuesInBuildConfig(t *testing.T) {
	actual, err := loadYAML(`
services:
  test:
    build:
      context: .
      ssh: 
        - key1=value1
        - key2=value2
`)
	assert.NilError(t, err)
	svc, err := actual.GetService("test")
	assert.NilError(t, err)

	sshValue, err := svc.Build.SSH.Get("key1")
	assert.NilError(t, err)
	assert.Equal(t, "value1", sshValue)

	sshValue, err = svc.Build.SSH.Get("key2")
	assert.NilError(t, err)
	assert.Equal(t, "value2", sshValue)
}

func TestProjectNameInterpolation(t *testing.T) {
	t.Run("project name simple interpolation", func(t *testing.T) {
		yaml := `
name: interpolated
services:
  web:
    image: web
    container_name: ${COMPOSE_PROJECT_NAME}-web
`
		configDetails := buildConfigDetails(yaml, map[string]string{})

		actual, err := Load(configDetails)
		assert.NilError(t, err)
		svc, err := actual.GetService("web")
		assert.NilError(t, err)
		assert.Equal(t, "interpolated-web", svc.ContainerName)
	})

	t.Run("project name interpolation with override", func(t *testing.T) {
		yaml1 := `
name: interpolated
services:
  web:
    image: web
    container_name: ${COMPOSE_PROJECT_NAME}-web
`
		yaml2 := `
name: overrided
services:
  db:
    image: db
    container_name: ${COMPOSE_PROJECT_NAME}-db
`
		yaml3 := `
services:
  proxy:
    image: proxy
    container_name: ${COMPOSE_PROJECT_NAME}-proxy
`
		configDetails := buildConfigDetailsMultipleFiles(map[string]string{}, yaml1, yaml2, yaml3)

		actual, err := Load(configDetails)
		assert.NilError(t, err)
		svc, err := actual.GetService("web")
		assert.NilError(t, err)
		assert.Equal(t, "overrided-web", svc.ContainerName)

		svc, err = actual.GetService("db")
		assert.NilError(t, err)
		assert.Equal(t, "overrided-db", svc.ContainerName)

		svc, err = actual.GetService("proxy")
		assert.NilError(t, err)
		assert.Equal(t, "overrided-proxy", svc.ContainerName)
	})

	t.Run("project name env variable interpolation", func(t *testing.T) {
		yaml := `
name: interpolated
services:
  web:
    image: web
    container_name: ${COMPOSE_PROJECT_NAME}-web
`
		configDetails := buildConfigDetails(yaml, map[string]string{"COMPOSE_PROJECT_NAME": "env-var"})
		actual, err := Load(configDetails)
		assert.NilError(t, err)
		svc, err := actual.GetService("web")
		assert.NilError(t, err)
		assert.Equal(t, "env-var-web", svc.ContainerName)
	})
}

func TestLoadWithBindMountVolume(t *testing.T) {
	dict := `
services:
  web:
    image: web
    volumes:
     - data:/data
volumes:
  data:
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: './data'
`
	configDetails := buildConfigDetails(dict, nil)

	project, err := Load(configDetails)
	assert.NilError(t, err)
	path := project.Volumes["data"].DriverOpts["device"]
	assert.Check(t, filepath.IsAbs(path))
}