Add ZeroCallCounters() function & method

It allows to reset call counters without touching registered responders.

Signed-off-by: Maxime Soulé <[email protected]>

Author: maxatome

transport.go

@@ -558,7 +558,8 @@ func (m *MockTransport) RegisterNoResponder(responder Responder) {
 	m.mu.Unlock()
 }
 
-// Reset removes all registered responders (including the no responder) from the MockTransport
+// Reset removes all registered responders (including the no
+// responder) from the MockTransport. It zeroes call counters too.
 func (m *MockTransport) Reset() {
 	m.mu.Lock()
 	m.responders = make(map[routeKey]Responder)
@@ -569,6 +570,16 @@ func (m *MockTransport) Reset() {
 	m.mu.Unlock()
 }
 
+// ZeroCallCounters zeroes call counters without touching registered responders.
+func (m *MockTransport) ZeroCallCounters() {
+	m.mu.Lock()
+	for k := range m.callCountInfo {
+		m.callCountInfo[k] = 0
+	}
+	m.totalCallCount = 0
+	m.mu.Unlock()
+}
+
 // GetCallCountInfo gets the info on all the calls httpmock has caught
 // since it was activated or reset. The info is returned as a map of
 // the calling keys with the number of calls made to them as their
@@ -711,12 +722,19 @@ func Deactivate() {
 	}
 }
 
-// Reset will remove any registered mocks and return the mock environment to it's initial state.
+// Reset will remove any registered mocks and return the mock
+// environment to it's initial state. It zeroes call counters too.
 func Reset() {
 	DefaultTransport.Reset()
 }
 
-// DeactivateAndReset is just a convenience method for calling Deactivate() and then Reset()
+// ZeroCallCounters zeroes call counters without touching registered responders.
+func ZeroCallCounters() {
+	DefaultTransport.ZeroCallCounters()
+}
+
+// DeactivateAndReset is just a convenience method for calling Deactivate() and then Reset().
+//
 // Happy deferring!
 func DeactivateAndReset() {
 	Deactivate()

transport_test.go

@@ -565,7 +565,7 @@ func TestMockTransportRespectsTimeout(t *testing.T) {
 	}
 }
 
-func TestMockTransportCallCount(t *testing.T) {
+func TestMockTransportCallCountReset(t *testing.T) {
 	Reset()
 	Activate()
 	defer Deactivate()
@@ -609,7 +609,7 @@ func TestMockTransportCallCount(t *testing.T) {
 	}
 
 	if !reflect.DeepEqual(info, expectedInfo) {
-		t.Fatalf("did not correctly track the call count info. expected it to be \n %+v \n but it was \n %+v \n", expectedInfo, info)
+		t.Fatalf("did not correctly track the call count info. expected it to be \n %+v\n but it was \n %+v", expectedInfo, info)
 	}
 
 	Reset()
@@ -618,6 +618,77 @@ func TestMockTransportCallCount(t *testing.T) {
 	if afterResetTotalCallCount != 0 {
 		t.Fatalf("did not reset the total count of calls correctly. expected it to be 0 after reset, but it was %v", afterResetTotalCallCount)
 	}
+
+	info = GetCallCountInfo()
+	if !reflect.DeepEqual(info, map[string]int{}) {
+		t.Fatalf("did not correctly reset the call count info. expected it to be \n {}\n but it was \n %+v", info)
+	}
+}
+
+func TestMockTransportCallCountZero(t *testing.T) {
+	Reset()
+	Activate()
+	defer Deactivate()
+
+	const (
+		url  = "https://github.com/path?b=1&a=2"
+		url2 = "https://gitlab.com/"
+	)
+
+	RegisterResponder("GET", url, NewStringResponder(200, "body"))
+	RegisterResponder("POST", "=~gitlab", NewStringResponder(200, "body"))
+
+	_, err := http.Get(url)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	buff := new(bytes.Buffer)
+	json.NewEncoder(buff).Encode("{}") // nolint: errcheck
+	_, err = http.Post(url2, "application/json", buff)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = http.Get(url)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	totalCallCount := GetTotalCallCount()
+	if totalCallCount != 3 {
+		t.Fatalf("did not track the total count of calls correctly. expected it to be 3, but it was %v", totalCallCount)
+	}
+
+	info := GetCallCountInfo()
+	expectedInfo := map[string]int{
+		"GET " + url: 2,
+		// Regexp match generates 2 entries:
+		"POST " + url2:  1, // the matched call
+		"POST =~gitlab": 1, // the regexp responder
+	}
+
+	if !reflect.DeepEqual(info, expectedInfo) {
+		t.Fatalf("did not correctly track the call count info. expected it to be \n %+v\n but it was \n %+v", expectedInfo, info)
+	}
+
+	ZeroCallCounters()
+
+	afterResetTotalCallCount := GetTotalCallCount()
+	if afterResetTotalCallCount != 0 {
+		t.Fatalf("did not reset the total count of calls correctly. expected it to be 0 after reset, but it was %v", afterResetTotalCallCount)
+	}
+
+	info = GetCallCountInfo()
+	expectedInfo = map[string]int{
+		"GET " + url: 0,
+		// Regexp match generates 2 entries:
+		"POST " + url2:  0, // the matched call
+		"POST =~gitlab": 0, // the regexp responder
+	}
+	if !reflect.DeepEqual(info, expectedInfo) {
+		t.Fatalf("did not correctly reset the call count info. expected it to be \n %+v\n but it was \n %+v", expectedInfo, info)
+	}
 }
 
 func TestRegisterResponderWithQuery(t *testing.T) {