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Update readinesshandler_test.go #1952

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Update readinesshandler_test.go #1952

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50 changes: 29 additions & 21 deletions health/readinesshandler_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,39 +12,47 @@ import (

func TestReadinessHandler(t *testing.T) {
ctx := context.Background()

// Create a test server and defer its closure
server := httptest.NewServer(health.ReadinessHandler())
defer server.Close()

client := server.Client()

req, err := httputil.NewRequestWithContext(ctx, http.MethodGet, server.URL, nil)
if err != nil {
t.Fatalf("failed to create request: %v", err)
makeRequest := func() (*http.Response, error) {
req, err := httputil.NewRequestWithContext(ctx, http.MethodGet, server.URL, nil)
if err != nil {
return nil, fmt.Errorf("failed to create request: %v", err)
}
return client.Do(req)
}
// default handler state should return StatusServiceUnavailable
resp, err := client.Do(req)
if err != nil {
t.Fatalf("failed to do request: %v", err)

checkStatusCode := func(expected, actual int) {
if expected != actual {
t.Errorf("expected status code %d, got %d", expected, actual)
}
}
if resp.StatusCode != http.StatusServiceUnavailable {
t.Fatalf("expected %d got %d", http.StatusServiceUnavailable, resp.StatusCode)

// Default handler state should return StatusServiceUnavailable
resp, err := makeRequest()
if err != nil {
t.Errorf("failed to do request: %v", err)
}
checkStatusCode(http.StatusServiceUnavailable, resp.StatusCode)

// signal to handler that process is ready. should return StatusOK
// Signal to handler that the process is ready. Should return StatusOK
health.Ready()
resp, err = client.Do(req)
resp, err = makeRequest()
if err != nil {
t.Fatalf("failed to do request: %v", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatalf("expected %d got %d", http.StatusOK, resp.StatusCode)
t.Errorf("failed to do request: %v", err)
}
checkStatusCode(http.StatusOK, resp.StatusCode)

// signal to handler that process is unready. should return StatusServiceUnavailable
// Signal to handler that the process is unready. Should return StatusServiceUnavailable
health.Unready()
resp, err = client.Do(req)
resp, err = makeRequest()
if err != nil {
t.Fatalf("failed to do request: %v", err)
}
if resp.StatusCode != http.StatusServiceUnavailable {
t.Fatalf("expected %d got %d", http.StatusServiceUnavailable, resp.StatusCode)
t.Errorf("failed to do request: %v", err)
}
checkStatusCode(http.StatusServiceUnavailable, resp.StatusCode)
}