package file import ( "fmt" "testing" "time" "github.com/spf13/afero" ) var FakeFs = afero.NewOsFs() func TestExists(t *testing.T) { t.Run("expects file to exist", func(t *testing.T) { input, _ := afero.TempFile(FakeFs, ".", "") defer removeFile(input.Name(), t) got := Exists(input.Name()) expect := true if got != expect { t.Errorf("Expected file %s to exist.", input.Name()) } }) t.Run("expects file to not exist", func(t *testing.T) { input := fmt.Sprintf("test_file_%d", time.Now().UnixNano()) got := Exists(input) expect := false if got != expect { t.Errorf("Expected file %s to not exist", input) } }) } func removeFile(name string, t *testing.T) { err := FakeFs.Remove(name) if err != nil { t.Errorf("Did not cleanly delete file %s", name) } }