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https://github.com/SAP/jenkins-library.git
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f855658e06
* Flesh out piperutils.Files and mock.FilesMock functionality * Avoid a lot of code-duplication via embedding
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
package piperutils
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import (
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"github.com/stretchr/testify/assert"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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func TestFileExists(t *testing.T) {
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t.Parallel()
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runInTempDir(t, "testing dir returns false", "dir", func(t *testing.T) {
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err := os.Mkdir("test", 0777)
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if err != nil {
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t.Fatal("failed to create test dir in temporary dir")
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}
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result, err := FileExists("test")
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assert.NoError(t, err)
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assert.False(t, result)
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})
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runInTempDir(t, "testing file returns true", "dir", func(t *testing.T) {
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file, err := ioutil.TempFile("", "testFile")
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assert.NoError(t, err)
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result, err := FileExists(file.Name())
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assert.NoError(t, err)
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assert.True(t, result)
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})
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}
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func TestCopy(t *testing.T) {
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t.Parallel()
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runInTempDir(t, "copying file succeeds", "dir2", func(t *testing.T) {
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file := "testFile"
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err := ioutil.WriteFile(file, []byte{byte(1), byte(2), byte(3)}, 0700)
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if err != nil {
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t.Fatal("Failed to create temporary workspace directory")
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}
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result, err := Copy(file, "testFile2")
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assert.NoError(t, err, "Didn't expert error but got one")
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assert.Equal(t, int64(3), result, "Expected true but got false")
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})
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runInTempDir(t, "copying directory fails", "dir3", func(t *testing.T) {
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src := filepath.Join("some", "file")
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dst := filepath.Join("another", "file")
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err := os.MkdirAll(src, 0777)
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if err != nil {
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t.Fatal("Failed to create test directory")
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}
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files := Files{}
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exists, err := files.DirExists(src)
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assert.NoError(t, err)
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assert.True(t, exists)
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length, err := files.Copy(src, dst)
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assert.EqualError(t, err, "Source file '"+src+"' does not exist")
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assert.Equal(t, length, int64(0))
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})
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}
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func runInTempDir(t *testing.T, nameOfRun, tempDirPattern string, run func(t *testing.T)) {
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dir, err := ioutil.TempDir("", tempDirPattern)
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if err != nil {
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t.Fatal("Failed to create temporary directory")
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}
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oldCWD, _ := os.Getwd()
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_ = os.Chdir(dir)
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// clean up tmp dir
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defer func() {
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_ = os.Chdir(oldCWD)
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_ = os.RemoveAll(dir)
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}()
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t.Run(nameOfRun, run)
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}
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