enhance utilisation of postgres features

server/router/static_assets_test.go

@@ -0,0 +1,114 @@
+package router
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"regexp"
+	"strings"
+	"testing"
+	"vctp/version"
+)
+
+var externalAssetRefPattern = regexp.MustCompile(`\b(?:src|href)=["']https?://`)
+
+func TestHomePageUsesLocalVersionedAssets(t *testing.T) {
+	orig := version.Value
+	version.Value = "1.2.3"
+	defer func() { version.Value = orig }()
+
+	app := testRouter(t, testRouterSettings(t, false))
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	rr := httptest.NewRecorder()
+	app.ServeHTTP(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected status %d, got %d", http.StatusOK, rr.Code)
+	}
+	body := rr.Body.String()
+
+	for _, want := range []string{
+		`href="/favicon.ico?v=1.2.3"`,
+		`href="/favicon-16x16.png?v=1.2.3"`,
+		`href="/favicon-32x32.png?v=1.2.3"`,
+		`src="/assets/js/htmx@v2.0.2.min.js"`,
+		`src="/assets/js/web3-charts.js?v=1.2.3"`,
+		`href="/assets/css/output@1.2.3.css"`,
+		`href="/assets/css/web3.css?v=1.2.3"`,
+	} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("expected response body to contain %q", want)
+		}
+	}
+
+	if externalAssetRefPattern.MatchString(body) {
+		t.Fatalf("home page contains external asset URL: %s", body)
+	}
+}
+
+func TestSwaggerUIUsesLocalAssetsOnly(t *testing.T) {
+	app := testRouter(t, testRouterSettings(t, false))
+	req := httptest.NewRequest(http.MethodGet, "/swagger/", nil)
+	rr := httptest.NewRecorder()
+	app.ServeHTTP(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected status %d, got %d", http.StatusOK, rr.Code)
+	}
+	body := rr.Body.String()
+
+	for _, want := range []string{
+		`href="./swagger-ui.css"`,
+		`src="./swagger-ui-bundle.js"`,
+		`src="./swagger-ui-standalone-preset.js"`,
+		`src="./swagger-initializer.js"`,
+	} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("expected swagger index to contain %q", want)
+		}
+	}
+
+	if externalAssetRefPattern.MatchString(body) {
+		t.Fatalf("swagger index contains external asset URL: %s", body)
+	}
+}
+
+func TestStaticResourcesAreCacheableInReleaseMode(t *testing.T) {
+	orig := version.Value
+	version.Value = "1.2.3"
+	defer func() { version.Value = orig }()
+
+	app := testRouter(t, testRouterSettings(t, false))
+
+	tests := []struct {
+		path             string
+		wantCacheControl string
+	}{
+		{path: "/assets/css/web3.css?v=1.2.3", wantCacheControl: "public, max-age=31536000, immutable"},
+		{path: "/assets/js/htmx@v2.0.2.min.js", wantCacheControl: "public, max-age=31536000, immutable"},
+		{path: "/favicon.ico?v=1.2.3", wantCacheControl: "public, max-age=31536000, immutable"},
+		{path: "/swagger/swagger-ui.css", wantCacheControl: "public, max-age=31536000"},
+		{path: "/swagger.json", wantCacheControl: "public, max-age=31536000"},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.path, func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, tc.path, nil)
+			rr := httptest.NewRecorder()
+			app.ServeHTTP(rr, req)
+
+			if rr.Code != http.StatusOK {
+				t.Fatalf("expected status %d for %s, got %d", http.StatusOK, tc.path, rr.Code)
+			}
+
+			if got := rr.Header().Get("Cache-Control"); got != tc.wantCacheControl {
+				t.Fatalf("unexpected Cache-Control for %s: got %q want %q", tc.path, got, tc.wantCacheControl)
+			}
+			if got := rr.Header().Get("Vary"); got != "Accept-Encoding" {
+				t.Fatalf("unexpected Vary for %s: %q", tc.path, got)
+			}
+			if rr.Header().Get("Expires") == "" {
+				t.Fatalf("expected Expires for %s", tc.path)
+			}
+		})
+	}
+}