Function TestPrintWithDimensions_LinesFitTerminalWidth

cmd/display/tty_test.go:76–137

(t *testing.T)

}

func TestPrintWithDimensions_LinesFitTerminalWidth(t *testing.T) {
	testCases := []struct {
		name          string
		taskID        string
		status        string
		details       string
		terminalWidth int
	}{
		{
			name:          "short task fits wide terminal",
			taskID:        "Image foo",
			status:        "Pulling",
			details:       "layer abc123",
			terminalWidth: 100,
		},
		{
			name:          "long details truncated to fit",
			taskID:        "Image foo",
			status:        "Pulling",
			details:       "downloading layer sha256:abc123def456789xyz0123456789abcdef",
			terminalWidth: 50,
		},
		{
			name:          "long taskID truncated to fit",
			taskID:        "very-long-image-name-that-exceeds-terminal-width",
			status:        "Pulling",
			details:       "",
			terminalWidth: 40,
		},
		{
			name:          "both long taskID and details",
			taskID:        "my-very-long-service-name-here",
			status:        "Downloading",
			details:       "layer sha256:abc123def456789xyz0123456789",
			terminalWidth: 50,
		},
		{
			name:          "narrow terminal",
			taskID:        "service-name",
			status:        "Pulling",
			details:       "some details",
			terminalWidth: 35,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			w, buf := newTestWriter()
			addTask(w, tc.taskID, tc.status, tc.details, api.Working)

			w.printWithDimensions(tc.terminalWidth, 24)

			lines := extractLines(buf)
			for i, line := range lines {
				lineLen := lenAnsi(line)
				assert.Assert(t, lineLen <= tc.terminalWidth,
					"line %d has length %d which exceeds terminal width %d: %q",
					i, lineLen, tc.terminalWidth, line)