Function Test_colorDiffLines

pkg/cmd/pr/diff/diff_test.go:353–394

(t *testing.T)

`

func Test_colorDiffLines(t *testing.T) {
	inputs := []struct {
		input, output string
	}{
		{
			input:  "",
			output: "",
		},
		{
			input:  "\n",
			output: "\n",
		},
		{
			input:  "foo\nbar\nbaz\n",
			output: "foo\nbar\nbaz\n",
		},
		{
			input:  "foo\nbar\nbaz",
			output: "foo\nbar\nbaz\n",
		},
		{
			input: fmt.Sprintf("+foo\n-b%sr\n+++ baz\n", strings.Repeat("a", 2*lineBufferSize)),
			output: fmt.Sprintf(
				"%[4]s+foo%[2]s\n%[5]s-b%[1]sr%[2]s\n%[3]s+++ baz%[2]s\n",
				strings.Repeat("a", 2*lineBufferSize),
				"\x1b[m",
				"\x1b[1;37m",
				"\x1b[32m",
				"\x1b[31m",
			),
		},
	}
	for _, tt := range inputs {
		buf := bytes.Buffer{}
		if err := colorDiffLines(&buf, strings.NewReader(tt.input)); err != nil {
			t.Fatalf("unexpected error: %s", err)
		}
		if got := buf.String(); got != tt.output {
			t.Errorf("expected: %q, got: %q", tt.output, got)
		}
	}
}

func Test_changedFileNames(t *testing.T) {
	inputs := []struct {