Function TestGHIssue294_PromptStyleUsedForPromptPrefix

layout_test.go:127–178

TestGHIssue294_PromptStyleUsedForPromptPrefix verifies that UserPrompt.Draw uses the Prompt style (not Basic) when rendering the prompt prefix string.

(t *testing.T)

// TestGHIssue294_PromptStyleUsedForPromptPrefix verifies that UserPrompt.Draw
// uses the Prompt style (not Basic) when rendering the prompt prefix string.
func TestGHIssue294_PromptStyleUsedForPromptPrefix(t *testing.T) {
	styles := config.NewStyleSet()
	styles.Prompt.Fg = config.ColorGreen | config.AttrBold
	styles.Prompt.Bg = config.ColorBlue
	// Make sure Basic is different so we can distinguish them.
	styles.Basic.Fg = config.ColorDefault
	styles.Basic.Bg = config.ColorDefault

	screen := NewDummyScreen()
	prompt, err := NewUserPrompt(screen, AnchorTop, 0, "QUERY>", styles)
	require.NoError(t, err)

	state := New()
	state.screen = screen

	state.Filters().Add(filter.NewIgnoreCase())

	prompt.Draw(state)

	// Collect SetCell events for y=0 (the prompt row).
	events := screen.events["SetCell"]

	promptStr := "QUERY>"
	promptLen := len(promptStr)
	require.True(t, len(events) >= promptLen,
		"expected at least %d SetCell events, got %d", promptLen, len(events))

	// The first promptLen cells should use the Prompt style colors.
	for i := range promptLen {
		ev := events[i]
		x := ev[0].(int)
		ch := ev[2].(rune)
		fg := ev[3].(config.Attribute)
		bg := ev[4].(config.Attribute)

		require.Equal(t, i, x, "expected x=%d", i)
		require.Equal(t, rune(promptStr[i]), ch, "expected character %c at position %d", promptStr[i], i)
		require.Equal(t, styles.Prompt.Fg, fg,
			"cell at x=%d should use Prompt.Fg, got %v", i, fg)
		require.Equal(t, styles.Prompt.Bg, bg,
			"cell at x=%d should use Prompt.Bg, got %v", i, bg)
	}

	// The cells after the prompt should NOT use the Prompt style —
	// they should use the Query style (for the query text area).
	if len(events) > promptLen {
		ev := events[promptLen]
		fg := ev[3].(config.Attribute)
		require.NotEqual(t, styles.Prompt.Fg, fg,
			"cell after prompt should not use Prompt style")
	}
}

// TestGHIssue460_MatchedStyleDoesNotBleedToEndOfLine verifies that matched
// text highlighting in ListArea.Draw does not extend to the screen edge.