Init commit

internal/config/validate_test.go

@@ -0,0 +1,128 @@
+// validate_test.go
+
+/*
+ * Copyright (c) - All Rights Reserved.
+ *
+ * See the LICENCE file for more information.
+ */
+
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestValidateConfig(t *testing.T) {
+	tests := []struct {
+		name      string
+		cfg       Config
+		wantError bool
+	}{
+		{"missing name", Config{Name: "", Theme: "auto"}, true},
+		{"valid config", Config{Name: "Ada", Theme: "auto"}, false},
+		{"valid config with any theme", Config{Name: "Ada", Theme: "invalid"}, false}, // No theme validation without themesDir
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.cfg.Validate()
+			if (err != nil) != tt.wantError {
+				t.Errorf("Validate() error = %v, wantError %v", err, tt.wantError)
+			}
+		})
+	}
+}
+
+func TestValidateWithThemes(t *testing.T) {
+	// Create a temporary themes directory for testing
+	tmpDir := t.TempDir()
+	themesDir := filepath.Join(tmpDir, "themes")
+	if err := os.MkdirAll(themesDir, 0755); err != nil {
+		t.Fatal(err)
+	}
+
+	// Create some test theme files
+	for _, theme := range []string{"auto", "nord", "gruvbox", "catppuccin"} {
+		if err := os.WriteFile(filepath.Join(themesDir, theme+".css"), []byte("/* test */"), 0644); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	tests := []struct {
+		name      string
+		cfg       Config
+		themesDir string
+		wantError bool
+	}{
+		{"missing name", Config{Name: "", Theme: "auto"}, themesDir, true},
+		{"invalid theme", Config{Name: "Ada", Theme: "invalid"}, themesDir, true},
+		{"valid auto theme", Config{Name: "Ada", Theme: "auto"}, themesDir, false},
+		{"valid nord theme", Config{Name: "Ada", Theme: "nord"}, themesDir, false},
+		{"valid gruvbox theme", Config{Name: "Ada", Theme: "gruvbox"}, themesDir, false},
+		{"valid catppuccin theme", Config{Name: "Ada", Theme: "catppuccin"}, themesDir, false},
+		{"no themes dir", Config{Name: "Ada", Theme: "anything"}, "", false}, // Skip validation if no dir
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.cfg.ValidateWithThemes(tt.themesDir)
+			if (err != nil) != tt.wantError {
+				t.Errorf("ValidateWithThemes() error = %v, wantError %v", err, tt.wantError)
+			}
+		})
+	}
+}
+
+func TestGetAvailableThemes(t *testing.T) {
+	// Create a temporary themes directory for testing
+	tmpDir := t.TempDir()
+	themesDir := filepath.Join(tmpDir, "themes")
+	if err := os.MkdirAll(themesDir, 0755); err != nil {
+		t.Fatal(err)
+	}
+
+	// Create some test theme files
+	testThemes := []string{"auto", "nord", "gruvbox"}
+	for _, theme := range testThemes {
+		if err := os.WriteFile(filepath.Join(themesDir, theme+".css"), []byte("/* test */"), 0644); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	// Create a non-CSS file (should be ignored)
+	if err := os.WriteFile(filepath.Join(themesDir, "readme.txt"), []byte("readme"), 0644); err != nil {
+		t.Fatal(err)
+	}
+
+	themes, err := GetAvailableThemes(themesDir)
+	if err != nil {
+		t.Fatalf("GetAvailableThemes() error = %v", err)
+	}
+
+	if len(themes) != len(testThemes) {
+		t.Errorf("GetAvailableThemes() got %d themes, want %d", len(themes), len(testThemes))
+	}
+
+	// Check that all expected themes are present
+	themeMap := make(map[string]bool)
+	for _, theme := range themes {
+		themeMap[theme] = true
+	}
+
+	for _, expectedTheme := range testThemes {
+		if !themeMap[expectedTheme] {
+			t.Errorf("Expected theme %q not found in available themes", expectedTheme)
+		}
+	}
+
+	// Test non-existent directory
+	themes, err = GetAvailableThemes(filepath.Join(tmpDir, "nonexistent"))
+	if err != nil {
+		t.Errorf("GetAvailableThemes() should not error on non-existent dir, got %v", err)
+	}
+	if len(themes) != 0 {
+		t.Errorf("GetAvailableThemes() should return empty list for non-existent dir, got %d themes", len(themes))
+	}
+}