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yaml_test.go
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yaml_test.go
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package yaml
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestYAML_Unmarshal(t *testing.T) {
testCases := []struct {
name string
input []byte
keys []string
values []interface{}
isErr bool
}{
{
name: "Empty YAML",
input: []byte(`{}`),
},
{
name: "Valid YAML",
input: []byte(`key: val
name: test
number: 2`),
keys: []string{"key", "name", "number"},
values: []interface{}{"val", "test", 2},
},
{
name: "Invalid YAML - wrong intendation",
input: []byte(`key: val
name: test
number: 2`),
isErr: true,
},
{
name: "Complex YAML - All types",
input: []byte(`---
array:
- 1
- 2
- 3
boolean: true
color: gold
'null':
number: 123
object:
a: b
c: d
string: Hello World`),
keys: []string{"array", "boolean", "color", "null", "number", "object", "string"},
values: []interface{}{[]interface{}{1, 2, 3},
true,
"gold",
nil,
123,
map[interface{}]interface{}{"a": "b", "c": "d"},
"Hello World"},
},
{
name: "Valid YAML - With comments",
input: []byte(`---
key: #Here is a single-line comment
- value line 5
#Here is a
#multi-line comment
- value line 13`),
keys: []string{"key"},
values: []interface{}{[]interface{}{"value line 5", "value line 13"}},
},
}
y := Parser()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
out, err := y.Unmarshal(tc.input)
if tc.isErr {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
for i, k := range tc.keys {
v := out[k]
assert.Equal(t, tc.values[i], v)
}
}
})
}
}
func TestYAML_Marshal(t *testing.T) {
testCases := []struct {
name string
input map[string]interface{}
output []byte
isErr bool
}{
{
name: "Empty YAML",
input: map[string]interface{}{},
output: []byte(`{}
`),
},
{
name: "Valid YAML",
input: map[string]interface{}{
"key": "val",
"name": "test",
"number": 2,
},
output: []byte(`key: val
name: test
number: 2
`),
},
{
name: "Complex YAML - All types",
input: map[string]interface{}{
"array": []interface{}{1, 2, 3, 4, 5},
"boolean": true,
"color": "gold",
"null": nil,
"number": 123,
"object": map[string]interface{}{"a": "b", "c": "d"},
"string": "Hello World",
},
output: []byte(`array:
- 1
- 2
- 3
- 4
- 5
boolean: true
color: gold
"null": null
number: 123
object:
a: b
c: d
string: Hello World
`),
},
}
y := Parser()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
out, err := y.Marshal(tc.input)
if tc.isErr {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, tc.output, out)
}
})
}
}