Function TestWriteTree

tree_test.go:70–358

(t *testing.T)

}

func TestWriteTree(t *testing.T) {
	type testFrame struct {
		Function string
		File     string
		Line     int
	}

	// Helpers to make tests more readable.
	type frames = []testFrame
	tree := func(err error, trace frames, children ...traceTree) traceTree {
		runtimeFrames := make([]runtime.Frame, len(trace))
		for i, f := range trace {
			runtimeFrames[i] = runtime.Frame{
				Function: f.Function,
				File:     f.File,
				Line:     f.Line,
			}
		}

		return traceTree{
			Err:      err,
			Trace:    runtimeFrames,
			Children: children,
		}
	}

	tests := []struct {
		name string
		give traceTree
		want []string // lines minus trailing newline
	}{
		{
			name: "top level single error",
			give: tree(
				errors.New("test error"),
				frames{
					{"foo", "foo.go", 42},
					{"bar", "bar.go", 24},
				},
			),
			want: []string{
				"test error",
				"",
				"foo",
				"	foo.go:42",
				"bar",
				"	bar.go:24",
			},
		},
		{
			name: "multi error without trace",
			give: tree(
				errors.Join(
					errors.New("err a"),
					errors.New("err b"),
				),
				frames{},
				tree(errors.New("err a"), frames{