re-vendor go-check

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

hack/vendor.sh

@@ -47,7 +47,7 @@ clone git github.com/Microsoft/hcsshim v0.3.6
 clone git github.com/Microsoft/go-winio v0.3.4
 clone git github.com/Sirupsen/logrus v0.10.0 # logrus is a common dependency among multiple deps
 clone git github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a
-clone git github.com/go-check/check 03a4d9dcf2f92eae8e90ed42aa2656f63fdd0b14 https://github.com/cpuguy83/check.git
+clone git github.com/go-check/check 4ed411733c5785b40214c70bce814c3a3a689609 https://github.com/cpuguy83/check.git
 clone git github.com/gorilla/context v1.1
 clone git github.com/gorilla/mux v1.1
 clone git github.com/kr/pty 5cf931ef8f

vendor/src/github.com/go-check/check/check.go

@@ -514,6 +514,7 @@ type suiteRunner struct {
 	suite                     interface{}
 	setUpSuite, tearDownSuite *methodType
 	setUpTest, tearDownTest   *methodType
+	onTimeout                 *methodType
 	tests                     []*methodType
 	tracker                   *resultTracker
 	tempDir                   *tempDir
@@ -591,6 +592,8 @@ func newSuiteRunner(suite interface{}, runConf *RunConf) *suiteRunner {
 			runner.setUpTest = method
 		case "TearDownTest":
 			runner.tearDownTest = method
+		case "OnTimeout":
+			runner.onTimeout = method
 		default:
 			prefix := "Test"
 			if conf.Benchmark {
@@ -671,6 +674,23 @@ func (runner *suiteRunner) forkCall(method *methodType, kind funcKind, testName
 	return c
 }
 
+type timeoutErr struct {
+	method *methodType
+	t      time.Duration
+}
+
+func (e timeoutErr) Error() string {
+	return fmt.Sprintf("%s test timed out after %v", e.method.String(), e.t)
+}
+
+func isTimeout(e error) bool {
+	if e == nil {
+		return false
+	}
+	_, ok := e.(timeoutErr)
+	return ok
+}
+
 // Same as forkCall(), but wait for call to finish before returning.
 func (runner *suiteRunner) runFunc(method *methodType, kind funcKind, testName string, logb *logger, dispatcher func(c *C)) *C {
 	var timeout <-chan time.Time
@@ -681,7 +701,19 @@ func (runner *suiteRunner) runFunc(method *methodType, kind funcKind, testName s
 	select {
 	case <-c.done:
 	case <-timeout:
-		panic(fmt.Sprintf("%s test timed out after %v", method.String(), runner.checkTimeout))
+		if runner.onTimeout != nil {
+			// run the OnTimeout callback, allowing the suite to collect any sort of debug information it can
+			// `runFixture` is syncronous, so run this in a separate goroutine with a timeout
+			cChan := make(chan *C)
+			go func() {
+				cChan <- runner.runFixture(runner.onTimeout, c.testName, c.logb)
+			}()
+			select {
+			case <-cChan:
+			case <-time.After(runner.checkTimeout):
+			}
+		}
+		panic(timeoutErr{method, runner.checkTimeout})
 	}
 	return c
 }
@@ -777,12 +809,14 @@ func (runner *suiteRunner) forkTest(method *methodType) *C {
 				c.logArgPanic(c.method, "*check.C")
 				return
 			}
+
 			if strings.HasPrefix(c.method.Info.Name, "Test") {
 				c.ResetTimer()
 				c.StartTimer()
 				c.method.Call([]reflect.Value{reflect.ValueOf(c)})
 				return
 			}
+
 			if !strings.HasPrefix(c.method.Info.Name, "Benchmark") {
 				panic("unexpected method prefix: " + c.method.Info.Name)
 			}
@@ -791,6 +825,7 @@ func (runner *suiteRunner) forkTest(method *methodType) *C {
 			c.N = benchN
 			c.ResetTimer()
 			c.StartTimer()
+
 			c.method.Call([]reflect.Value{reflect.ValueOf(c)})
 			c.StopTimer()
 			if c.status() != succeededSt || c.duration >= c.benchTime || benchN >= 1e9 {
@@ -825,7 +860,19 @@ func (runner *suiteRunner) runTest(method *methodType) *C {
 	select {
 	case <-c.done:
 	case <-timeout:
-		panic(fmt.Sprintf("%s test timed out after %v", method.String(), runner.checkTimeout))
+		if runner.onTimeout != nil {
+			// run the OnTimeout callback, allowing the suite to collect any sort of debug information it can
+			// `runFixture` is syncronous, so run this in a separate goroutine with a timeout
+			cChan := make(chan *C)
+			go func() {
+				cChan <- runner.runFixture(runner.onTimeout, c.testName, c.logb)
+			}()
+			select {
+			case <-cChan:
+			case <-time.After(runner.checkTimeout):
+			}
+		}
+		panic(timeoutErr{method, runner.checkTimeout})
 	}
 	return c
 }
@@ -846,7 +893,7 @@ func (runner *suiteRunner) skipTests(status funcStatus, methods []*methodType) {
 func (runner *suiteRunner) checkFixtureArgs() bool {
 	succeeded := true
 	argType := reflect.TypeOf(&C{})
-	for _, method := range []*methodType{runner.setUpSuite, runner.tearDownSuite, runner.setUpTest, runner.tearDownTest} {
+	for _, method := range []*methodType{runner.setUpSuite, runner.tearDownSuite, runner.setUpTest, runner.tearDownTest, runner.onTimeout} {
 		if method != nil {
 			mt := method.Type()
 			if mt.NumIn() != 1 || mt.In(0) != argType {