Add initial benchmark tests for NIC

internal/configs/annotations_test.go

@@ -215,3 +215,98 @@ func TestParseRateLimitAnnotations(t *testing.T) {
 		t.Error("No Errors when parsing invalid log level")
 	}
 }
+
+func BenchmarkParseRewrites(b *testing.B) {
+	serviceName := "coffee-svc"
+	serviceNamePart := "serviceName=" + serviceName
+	rewritePath := "/beans/"
+	rewritePathPart := "rewrite=" + rewritePath
+	rewriteService := serviceNamePart + " " + rewritePathPart
+
+	b.ResetTimer()
+	for range b.N {
+		_, _, err := parseRewrites(rewriteService)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkParseRewritesWithLeadingAndTrailingWhitespace(b *testing.B) {
+	serviceName := "coffee-svc"
+	serviceNamePart := "serviceName=" + serviceName
+	rewritePath := "/beans/"
+	rewritePathPart := "rewrite=" + rewritePath
+	rewriteService := "\t\n " + serviceNamePart + " " + rewritePathPart + " \t\n"
+
+	b.ResetTimer()
+	for range b.N {
+		_, _, err := parseRewrites(rewriteService)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkParseStickyService(b *testing.B) {
+	serviceName := "coffee-svc"
+	serviceNamePart := "serviceName=" + serviceName
+	stickyCookie := "srv_id expires=1h domain=.example.com path=/"
+	stickyService := serviceNamePart + " " + stickyCookie
+
+	b.ResetTimer()
+	for range b.N {
+		_, _, err := parseStickyService(stickyService)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkFilterMasterAnnotations(b *testing.B) {
+	masterAnnotations := map[string]string{
+		"nginx.org/rewrites":                "serviceName=service1 rewrite=rewrite1",
+		"nginx.org/ssl-services":            "service1",
+		"nginx.org/hsts":                    "True",
+		"nginx.org/hsts-max-age":            "2700000",
+		"nginx.org/hsts-include-subdomains": "True",
+	}
+	b.ResetTimer()
+	for range b.N {
+		filterMasterAnnotations(masterAnnotations)
+	}
+}
+
+func BenchmarkFilterMinionAnnotations(b *testing.B) {
+	minionAnnotations := map[string]string{
+		"nginx.org/rewrites":                "serviceName=service1 rewrite=rewrite1",
+		"nginx.org/ssl-services":            "service1",
+		"nginx.org/hsts":                    "True",
+		"nginx.org/hsts-max-age":            "2700000",
+		"nginx.org/hsts-include-subdomains": "True",
+	}
+	b.ResetTimer()
+	for range b.N {
+		filterMinionAnnotations(minionAnnotations)
+	}
+}
+
+func BenchmarkMergeMasterAnnotationsIntoMinion(b *testing.B) {
+	masterAnnotations := map[string]string{
+		"nginx.org/proxy-buffering":       "True",
+		"nginx.org/proxy-buffers":         "2",
+		"nginx.org/proxy-buffer-size":     "8k",
+		"nginx.org/hsts":                  "True",
+		"nginx.org/hsts-max-age":          "2700000",
+		"nginx.org/proxy-connect-timeout": "50s",
+		"nginx.com/jwt-token":             "$cookie_auth_token",
+	}
+	minionAnnotations := map[string]string{
+		"nginx.org/client-max-body-size":  "2m",
+		"nginx.org/proxy-connect-timeout": "20s",
+	}
+	b.ResetTimer()
+	for range b.N {
+		mergeMasterAnnotationsIntoMinion(minionAnnotations, masterAnnotations)
+	}
+}