package fs import ( "os" "os/user" "testing" "github.com/stretchr/testify/assert" ) func TestExists(t *testing.T) { assert.True(t, FileExists("./testdata/test.jpg")) assert.False(t, FileExists("./foo.jpg")) } func TestOverwrite(t *testing.T) { data := make([]byte, 3) data[1] = 3 data[2] = 8 tmpPath := "./testdata/_tmp" os.Mkdir(tmpPath, 0777) defer os.RemoveAll(tmpPath) result := Overwrite("./testdata/_tmp/notyetexisting.jpg", data) assert.FileExists(t, "./testdata/_tmp/notyetexisting.jpg") t.Log(result) } func TestExpandedFilename(t *testing.T) { t.Run("test.jpg", func(t *testing.T) { filename := ExpandFilename("./testdata/test.jpg") assert.Contains(t, filename, "/testdata/test.jpg") assert.IsType(t, "", filename) }) t.Run("empty filename", func(t *testing.T) { filename := ExpandFilename("") assert.Equal(t, "", filename) assert.IsType(t, "", filename) }) t.Run("~ in filename", func(t *testing.T) { usr, _ := user.Current() expected := usr.HomeDir + "/test.jpg" filename := ExpandFilename("~/test.jpg") assert.Equal(t, expected, filename) assert.IsType(t, "", filename) }) } func TestDirectoryIsEmpty(t *testing.T) { t.Run("not empty path", func(t *testing.T) { assert.Equal(t, false, IsEmpty("./testdata")) }) t.Run("not existing path", func(t *testing.T) { assert.Equal(t, false, IsEmpty("./xxx")) }) t.Run("empty path", func(t *testing.T) { os.Mkdir("./testdata/emptyDir", 0777) defer os.RemoveAll("./testdata/emptyDir") assert.Equal(t, true, IsEmpty("./testdata/emptyDir")) }) }