mirror of https://github.com/status-im/consul.git
Merge pull request #2578 from ybubnov/concurrent-safe-notification-mock
Concurrent-safe notification mock
This commit is contained in:
commit
25fb498b20
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@ -11,6 +11,7 @@ import (
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"os"
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"os/exec"
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"strings"
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"sync"
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"testing"
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"time"
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@ -24,15 +25,44 @@ type MockNotify struct {
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state map[types.CheckID]string
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updates map[types.CheckID]int
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output map[types.CheckID]string
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// A guard to protect an access to the internal attributes
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// of the notification mock in order to prevent panics
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// raised by the race conditions detector.
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mu sync.RWMutex
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}
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func (m *MockNotify) UpdateCheck(id types.CheckID, status, output string) {
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m.mu.Lock()
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defer m.mu.Unlock()
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m.state[id] = status
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old := m.updates[id]
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m.updates[id] = old + 1
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m.output[id] = output
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}
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// State returns the state of the specified health-check.
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func (m *MockNotify) State(id types.CheckID) string {
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m.mu.RLock()
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defer m.mu.RUnlock()
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return m.state[id]
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}
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// Updates returns the count of updates of the specified health-check.
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func (m *MockNotify) Updates(id types.CheckID) int {
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m.mu.RLock()
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defer m.mu.RUnlock()
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return m.updates[id]
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}
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// Output returns an output string of the specified health-check.
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func (m *MockNotify) Output(id types.CheckID) string {
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m.mu.RLock()
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defer m.mu.RUnlock()
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return m.output[id]
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}
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func expectStatus(t *testing.T, script, status string) {
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mock := &MockNotify{
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state: make(map[types.CheckID]string),
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@ -51,11 +81,11 @@ func expectStatus(t *testing.T, script, status string) {
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testutil.WaitForResult(func() (bool, error) {
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// Should have at least 2 updates
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if mock.updates["foo"] < 2 {
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if mock.Updates("foo") < 2 {
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return false, fmt.Errorf("should have 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != status {
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if mock.State("foo") != status {
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return false, fmt.Errorf("should be %v %v", status, mock.state)
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}
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@ -101,11 +131,11 @@ func TestCheckMonitor_Timeout(t *testing.T) {
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time.Sleep(50 * time.Millisecond)
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// Should have at least 2 updates
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if mock.updates["foo"] < 2 {
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if mock.Updates("foo") < 2 {
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t.Fatalf("should have at least 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != "critical" {
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if mock.State("foo") != "critical" {
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t.Fatalf("should be critical %v", mock.state)
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}
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}
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@ -129,11 +159,11 @@ func TestCheckMonitor_RandomStagger(t *testing.T) {
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time.Sleep(50 * time.Millisecond)
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// Should have at least 1 update
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if mock.updates["foo"] < 1 {
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if mock.Updates("foo") < 1 {
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t.Fatalf("should have 1 or more updates %v", mock.updates)
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}
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if mock.state["foo"] != structs.HealthPassing {
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if mock.State("foo") != structs.HealthPassing {
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t.Fatalf("should be %v %v", structs.HealthPassing, mock.state)
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}
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}
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@ -157,7 +187,7 @@ func TestCheckMonitor_LimitOutput(t *testing.T) {
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time.Sleep(50 * time.Millisecond)
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// Allow for extra bytes for the truncation message
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if len(mock.output["foo"]) > CheckBufSize+100 {
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if len(mock.Output("foo")) > CheckBufSize+100 {
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t.Fatalf("output size is too long")
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}
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}
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@ -180,32 +210,32 @@ func TestCheckTTL(t *testing.T) {
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time.Sleep(50 * time.Millisecond)
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check.SetStatus(structs.HealthPassing, "test-output")
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if mock.updates["foo"] != 1 {
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if mock.Updates("foo") != 1 {
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t.Fatalf("should have 1 updates %v", mock.updates)
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}
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if mock.state["foo"] != structs.HealthPassing {
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if mock.State("foo") != structs.HealthPassing {
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t.Fatalf("should be passing %v", mock.state)
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}
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// Ensure we don't fail early
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time.Sleep(75 * time.Millisecond)
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if mock.updates["foo"] != 1 {
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if mock.Updates("foo") != 1 {
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t.Fatalf("should have 1 updates %v", mock.updates)
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}
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// Wait for the TTL to expire
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time.Sleep(75 * time.Millisecond)
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if mock.updates["foo"] != 2 {
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if mock.Updates("foo") != 2 {
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t.Fatalf("should have 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != structs.HealthCritical {
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if mock.State("foo") != structs.HealthCritical {
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t.Fatalf("should be critical %v", mock.state)
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}
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if !strings.Contains(mock.output["foo"], "test-output") {
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if !strings.Contains(mock.Output("foo"), "test-output") {
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t.Fatalf("should have retained output %v", mock.output)
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}
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}
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@ -254,16 +284,16 @@ func expectHTTPStatus(t *testing.T, url string, status string) {
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testutil.WaitForResult(func() (bool, error) {
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// Should have at least 2 updates
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if mock.updates["foo"] < 2 {
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if mock.Updates("foo") < 2 {
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return false, fmt.Errorf("should have 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != status {
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if mock.State("foo") != status {
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return false, fmt.Errorf("should be %v %v", status, mock.state)
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}
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// Allow slightly more data than CheckBufSize, for the header
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if n := len(mock.output["foo"]); n > (CheckBufSize + 256) {
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if n := len(mock.Output("foo")); n > (CheckBufSize + 256) {
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return false, fmt.Errorf("output too long: %d (%d-byte limit)", n, CheckBufSize)
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}
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return true, nil
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@ -554,11 +584,11 @@ func expectTCPStatus(t *testing.T, tcp string, status string) {
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testutil.WaitForResult(func() (bool, error) {
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// Should have at least 2 updates
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if mock.updates["foo"] < 2 {
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if mock.Updates("foo") < 2 {
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return false, fmt.Errorf("should have 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != status {
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if mock.State("foo") != status {
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return false, fmt.Errorf("should be %v %v", status, mock.state)
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}
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return true, nil
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@ -741,15 +771,15 @@ func expectDockerCheckStatus(t *testing.T, dockerClient DockerClient, status str
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time.Sleep(50 * time.Millisecond)
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// Should have at least 2 updates
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if mock.updates["foo"] < 2 {
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if mock.Updates("foo") < 2 {
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t.Fatalf("should have 2 updates %v", mock.updates)
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}
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if mock.state["foo"] != status {
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if mock.State("foo") != status {
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t.Fatalf("should be %v %v", status, mock.state)
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}
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if mock.output["foo"] != output {
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if mock.Output("foo") != output {
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t.Fatalf("should be %v %v", output, mock.output)
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}
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}
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@ -851,7 +881,7 @@ func TestDockerCheckTruncateOutput(t *testing.T) {
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time.Sleep(50 * time.Millisecond)
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// Allow for extra bytes for the truncation message
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if len(mock.output["foo"]) > CheckBufSize+100 {
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if len(mock.Output("foo")) > CheckBufSize+100 {
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t.Fatalf("output size is too long")
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}
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