WIP: console package tests (palette)

53% code coverage.

console/palette_test.go

@@ -1,6 +1,10 @@
 package console
 
-import "testing"
+import (
+	"testing"
+
+	ui "github.com/gizak/termui/v3"
+)
 
 func TestGetPalette(t *testing.T) {
 	var (
@@ -17,16 +21,79 @@ func TestGetPalette(t *testing.T) {
 	tests := []struct {
 		name  string
 		input Theme
-		want  Palette
+		Palette
 	}{
 		{"should return dark theme with base color white", ThemeDark, darkPalette},
 		{"should return light theme with base color black", ThemeLight, lightPalette},
 	}
 
 	for _, test := range tests {
 		palette := GetPalette(test.input)
-		if got := palette.BaseColor; got != test.want.BaseColor {
-			t.Errorf("GetPalette(%q) = %d, want %d", test.input, got, test.want.BaseColor)
+		if got := palette.BaseColor; got != test.BaseColor {
+			t.Errorf("GetPalette(%q) = %d, want %d", test.input, got, test.BaseColor)
+		}
+	}
+}
+
+func TestGetPaletteInvalidTheme(t *testing.T) {
+	const invalid Theme = "invalid"
+
+	defer func() {
+		if r := recover(); r == nil {
+			t.Errorf("GetPalette(%q) should have panicked", invalid)
+		}
+	}()
+
+	GetPalette(invalid)
+}
+
+func TestGetGradientColor(t *testing.T) {
+	type args struct {
+		gradient []ui.Color
+		cur      int
+		max      int
+	}
+
+	var (
+		lightThemeGradientInput = args{
+			gradient: []ui.Color{
+				250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16,
+			},
+			cur: 200,
+			max: 250,
+		}
+
+		darkThemeGradientInput = args{
+			gradient: []ui.Color{
+				39, 33, 62, 93, 164, 161,
+			},
+			cur: 40,
+			max: 180,
+		}
+
+		grey ui.Color = 234
+
+		blue ui.Color = 33
+	)
+
+	tests := []struct {
+		name string
+		args
+		want ui.Color
+	}{
+		{"should return color grey", lightThemeGradientInput, grey},
+		{"should return color blue", darkThemeGradientInput, blue},
+	}
+
+	for _, test := range tests {
+		gradientColor := GetGradientColor(
+			test.gradient,
+			test.cur,
+			test.max,
+		)
+
+		if got := gradientColor; got != test.want {
+			t.Errorf("GetGradientColor(%v) = %d, want %d", test.args, got, test.want)
 		}
 	}
 }