api: improve test reliability

api/.gitignore

@@ -1,23 +0,0 @@
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-*.o
-*.a
-*.so
-
-# Folders
-_obj
-_test
-
-# Architecture specific extensions/prefixes
-*.[568vq]
-[568vq].out
-
-*.cgo1.go
-*.cgo2.c
-_cgo_defun.c
-_cgo_gotypes.go
-_cgo_export.*
-
-_testmain.go
-
-*.exe
-*.test

api/api_test.go

@@ -10,6 +10,8 @@ import (
 	"strings"
 	"testing"
 	"time"
+
+	"github.com/hashicorp/consul/testutil"
 )
 
 var consulConfig = `{
@@ -78,25 +80,22 @@ func newTestServer(t *testing.T) *testServer {
 
 	// Allow the server some time to start, and verify we have a leader.
 	client := new(http.Client)
-	for i := 0; ; i++ {
-		if i >= 20 {
-			t.Fatal("Server failed to start")
-		}
-		time.Sleep(100 * time.Millisecond)
-
+	testutil.WaitForResult(func() (bool, error) {
 		resp, err := client.Get("http://127.0.0.1:18800/v1/status/leader")
 		if err != nil {
-			continue
+			return false, err
 		}
 		defer resp.Body.Close()
 
 		body, err := ioutil.ReadAll(resp.Body)
 		if err != nil || !strings.Contains(string(body), "18000") {
-			continue
+			return false, fmt.Errorf("No leader")
 		}
 
-		break
-	}
+		return true, nil
+	}, func(err error) {
+		t.Fatalf("err: %s", err)
+	})
 
 	return &testServer{
 		pid:        cmd.Process.Pid,

api/health_test.go

@@ -75,18 +75,22 @@ func TestHealth_Service(t *testing.T) {
 
 	health := c.Health()
 
+	testutil.WaitForResult(func() (bool, error) {
 		// consul service should always exist...
 		checks, meta, err := health.Service("consul", "", true, nil)
 		if err != nil {
-		t.Fatalf("err: %v", err)
+			return false, err
 		}
-
 		if meta.LastIndex == 0 {
-		t.Fatalf("bad: %v", meta)
+			return false, fmt.Errorf("bad: %v", meta)
 		}
 		if len(checks) == 0 {
-		t.Fatalf("Bad: %v", checks)
+			return false, fmt.Errorf("Bad: %v", checks)
 		}
+		return true, nil
+	}, func(err error) {
+		t.Fatalf("err: %s", err)
+	})
 }
 
 func TestHealth_State(t *testing.T) {
@@ -95,15 +99,19 @@ func TestHealth_State(t *testing.T) {
 
 	health := c.Health()
 
+	testutil.WaitForResult(func() (bool, error) {
 		checks, meta, err := health.State("any", nil)
 		if err != nil {
-		t.Fatalf("err: %v", err)
+			return false, err
 		}
-
 		if meta.LastIndex == 0 {
-		t.Fatalf("bad: %v", meta)
+			return false, fmt.Errorf("bad: %v", meta)
 		}
 		if len(checks) == 0 {
-		t.Fatalf("Bad: %v", checks)
+			return false, fmt.Errorf("Bad: %v", checks)
 		}
+		return true, nil
+	}, func(err error) {
+		t.Fatalf("err: %s", err)
+	})
 }