优化结构

internal/modules/catalog_test.go

@@ -0,0 +1,37 @@
+package modules
+
+import "testing"
+
+func TestCatalogMigrationIDsAreUnique(t *testing.T) {
+	seen := map[string]string{}
+	for _, definition := range Catalog().Definitions {
+		for _, step := range definition.Migrations {
+			if previous, exists := seen[step.ID]; exists {
+				t.Fatalf("migration %q is declared by both %s and %s", step.ID, previous, definition.Name)
+			}
+			seen[step.ID] = definition.Name
+		}
+	}
+}
+
+func TestCatalogContainsBuiltInModulesInDependencyOrder(t *testing.T) {
+	catalog := Catalog()
+	if len(catalog.Definitions) != 4 {
+		t.Fatalf("definitions = %d, want 4", len(catalog.Definitions))
+	}
+	want := []string{"system", "integration", "task", "payment"}
+	for index, name := range want {
+		if got := catalog.Definitions[index].Name; got != name {
+			t.Fatalf("definition[%d] = %q, want %q", index, got, name)
+		}
+	}
+	if got := catalog.MigrationSteps(); len(got) != 8 {
+		t.Fatalf("module migrations = %d, want 8", len(got))
+	}
+	if surface := catalog.Surface(); len(surface.Menus) != 3 || len(surface.APIs) != 15 {
+		t.Fatalf("admin surface = %d menus/%d APIs, want 3/15", len(surface.Menus), len(surface.APIs))
+	}
+	if got := catalog.DefaultTimedTasks(); len(got) != 2 {
+		t.Fatalf("default timed tasks = %d, want 2", len(got))
+	}
+}