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load_test.go
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load_test.go
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//
// Copyright 2021 The Sigstore 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 blob
import (
"bytes"
"net/http"
"net/http/httptest"
"os"
"path"
"runtime"
"testing"
)
func TestLoadFile(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Skipping on Windows due to https://github.com/golang/go/issues/51442")
}
temp := t.TempDir()
fname := "filename.txt"
path := path.Join(temp, fname)
data := []byte("test")
defer os.Remove(path)
os.WriteFile(path, data, 0400)
// absolute path
actual, err := LoadFileOrURL(path)
if err != nil {
t.Errorf("Reading from absolute path %s failed: %v", path, err)
} else if !bytes.Equal(actual, data) {
t.Errorf("LoadFileOrURL(absolute path) = '%s'; want '%s'", actual, data)
}
if err = os.Chdir(temp); err != nil {
t.Fatalf("Chdir('%s'): %v", temp, err)
}
actual, err = LoadFileOrURL(fname)
if err != nil {
t.Errorf("Reading from relative path %s failed: %v", fname, err)
} else if !bytes.Equal(actual, data) {
t.Errorf("LoadFileOrURL(relative path) = '%s'; want '%s'", actual, data)
}
}
func TestLoadURL(t *testing.T) {
data := []byte("test")
server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
rw.Write(data)
}))
defer server.Close()
actual, err := LoadFileOrURL(server.URL)
if err != nil {
t.Errorf("Reading from HTTP failed: %v", err)
} else if !bytes.Equal(actual, data) {
t.Errorf("LoadFileOrURL(HTTP) = '%s'; want '%s'", actual, data)
}
os.Setenv("MY_ENV_VAR", string(data))
actual, err = LoadFileOrURL("env://MY_ENV_VAR")
if err != nil {
t.Errorf("Reading from environment failed: %v", err)
} else if !bytes.Equal(actual, data) {
t.Errorf("LoadFileOrURL(env) = '%s'; want '%s'", actual, data)
}
os.Setenv("MY_ENV_VAR", "")
actual, err = LoadFileOrURL("env://MY_ENV_VAR")
if err != nil {
t.Errorf("Reading from environment failed: %v", err)
} else if !bytes.Equal(actual, make([]byte, 0)) {
t.Errorf("LoadFileOrURL(env) = '%s'; should be empty", actual)
}
os.Unsetenv("MY_ENV_VAR")
_, err = LoadFileOrURL("env://MY_ENV_VAR")
if err == nil {
t.Error("LoadFileOrURL(): expected error for unset env var")
}
_, err = LoadFileOrURL("invalid://url")
if err == nil {
t.Error("LoadFileOrURL(): expected error for invalid scheme")
}
}