Hello world

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/styles/theme_test.go

@@ -0,0 +1,94 @@
+package styles
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"charm.land/lipgloss/v2"
+)
+
+func TestFromTheme(t *testing.T) {
+	st, fg, err := FromTheme(map[string][]string{
+		"activeBorderColor":   {"#e0af68", "bold"},
+		"selectedLineBgColor": {"#2d3f76"},
+		"defaultFgColor":      {"#c8d3f5"},
+		"azureColor":          {"75"},
+		"databricksColor":     {"brightred"},
+		"searchMatchColor":    {"default", "underline"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if fg == nil {
+		t.Error("defaultFgColor not returned")
+	}
+	if got := st.BorderFocused.GetForeground(); got != lipgloss.Color("#e0af68") || !st.BorderFocused.GetBold() {
+		t.Errorf("active border = %v bold=%v", got, st.BorderFocused.GetBold())
+	}
+	// The theme's selected-line background replaces the default one.
+	if st.Selected.GetReverse() || st.Selected.GetBackground() != lipgloss.Color("#2d3f76") {
+		t.Errorf("selected = reverse %v bg %v", st.Selected.GetReverse(), st.Selected.GetBackground())
+	}
+	if st.KindAzure.GetForeground() != lipgloss.Color("75") || st.KindDatabricks.GetForeground() != lipgloss.BrightRed {
+		t.Error("provider colours not applied")
+	}
+	if !st.Match.GetUnderline() {
+		t.Error("attribute without colour not applied")
+	}
+	// Roles the theme leaves out keep their defaults.
+	if st.Error.GetForeground() != lipgloss.Red {
+		t.Error("default error colour changed")
+	}
+}
+
+func TestFromThemeRejectsMistakes(t *testing.T) {
+	for name, theme := range map[string]map[string][]string{
+		"role":    {"activeBorder": {"red"}},
+		"colour":  {"errorColor": {"redish"}},
+		"hex":     {"errorColor": {"#fff"}},
+		"palette": {"errorColor": {"300"}},
+	} {
+		if _, _, err := FromTheme(theme); err == nil {
+			t.Errorf("%s: no error", name)
+		} else if name == "role" && !strings.Contains(err.Error(), "activeBorderColor") {
+			t.Errorf("unknown role error should list the known ones: %v", err)
+		}
+	}
+}
+
+func TestEmptyThemeIsDefault(t *testing.T) {
+	st, fg, err := FromTheme(nil)
+	if err != nil || fg != nil || st.Selected.GetReverse() || st.Selected.GetBackground() != lipgloss.BrightBlack {
+		t.Errorf("empty theme: %v %v reverse=%v bg=%v", err, fg, st.Selected.GetReverse(), st.Selected.GetBackground())
+	}
+}
+
+func TestOnBackground(t *testing.T) {
+	hex := func(c any) string {
+		r, g, b, _ := c.(interface{ RGBA() (r, g, b, a uint32) }).RGBA()
+		return fmt.Sprintf("#%02x%02x%02x", r>>8, g>>8, b>>8)
+	}
+	st := Default().OnBackground(lipgloss.Color("#282c34"), true)
+	if got := hex(st.Selected.GetBackground()); got != "#3e424a" {
+		t.Errorf("dark: selected %s", got)
+	}
+	if got := hex(st.SelectedBlurred.GetBackground()); got != "#343840" {
+		t.Errorf("dark: blurred %s", got)
+	}
+	if got := hex(Default().OnBackground(lipgloss.Color("#ffffff"), false).Selected.GetBackground()); got != "#e8e8e8" {
+		t.Errorf("light: selected %s", got)
+	}
+
+	themed, _, err := FromTheme(map[string][]string{"selectedLineBgColor": {"#2d3f76"}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	st = themed.OnBackground(lipgloss.Color("#282c34"), true)
+	if got := hex(st.Selected.GetBackground()); got != "#2d3f76" {
+		t.Errorf("themed: selected %s (want the theme's)", got)
+	}
+	if got := hex(st.SelectedBlurred.GetBackground()); got != "#343840" {
+		t.Errorf("themed: blurred %s (not themed: shaded)", got)
+	}
+}