add tests

tests/metrics_test.go

@@ -1,8 +1,56 @@
-package server
+package tests
 
-import "testing"
+import (
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+)
 
-func subTestInfo(t *testing.T, mc *mockServer) {
-	runStep(t, mc, "valid json", info_valid_json_test)
+func downloadURLWithStatusCode(t *testing.T, u string) (int, string) {
+	resp, err := http.Get(u)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return resp.StatusCode, string(body)
 }
 
+func subTestMetrics(t *testing.T, mc *mockServer) {
+	mc.Do("SET", "metrics_test_1", "1", "FIELD", "foo", 5.5, "POINT", 5, 5)
+	mc.Do("SET", "metrics_test_2", "2", "FIELD", "foo", 19.19, "POINT", 19, 19)
+	mc.Do("SET", "metrics_test_2", "3", "FIELD", "foo", 19.19, "POINT", 19, 19)
+	mc.Do("SET", "metrics_test_2", "truck1:driver", "STRING", "John Denton")
+
+	status, index := downloadURLWithStatusCode(t, "http://127.0.0.1:4321/")
+	if status != 200 {
+		t.Fatalf("Expected status code 200, got: %d", status)
+	}
+	if !strings.Contains(index, "<a href") {
+		t.Fatalf("missing link on index page")
+	}
+
+	status, metrics := downloadURLWithStatusCode(t, "http://127.0.0.1:4321/metrics")
+	if status != 200 {
+		t.Fatalf("Expected status code 200, got: %d", status)
+	}
+	for _, want := range []string{
+		`tile38_connected_clients 1`,
+		`tile38_cmd_duration_seconds_count{cmd="set"}`,
+		`go_build_info`,
+		`go_threads`,
+		`tile38_collection_objects{col="metrics_test_1"} 1`,
+		`tile38_collection_objects{col="metrics_test_2"} 3`,
+		`tile38_collection_points{col="metrics_test_2"} 2`,
+		`tile38_replication_info`,
+		`role="leader"`,
+	} {
+		if !strings.Contains(metrics, want) {
+			t.Fatalf("wanted metric: %s, got: %s", want, metrics)
+		}
+	}
+}

tests/mock_test.go

@@ -52,7 +52,7 @@ func mockOpenServer() (*mockServer, error) {
 	s := &mockServer{port: port}
 	tlog.SetOutput(logOutput)
 	go func() {
-		if err := server.Serve("localhost", port, dir, true, ""); err != nil {
+		if err := server.Serve("localhost", port, dir, true, ":4321"); err != nil {
 			log.Fatal(err)
 		}
 	}()

tests/tests_test.go

@@ -48,6 +48,7 @@ func TestAll(t *testing.T) {
 	runSubTest(t, "info", mc, subTestInfo)
 	runSubTest(t, "client", mc, subTestClient)
 	runSubTest(t, "timeouts", mc, subTestTimeout)
+	runSubTest(t, "metrics", mc, subTestMetrics)
 }
 
 func runSubTest(t *testing.T, name string, mc *mockServer, test func(t *testing.T, mc *mockServer)) {