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package health
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
"time"
)
// Unit test function
func TestStartHealthServer_InvalidPort(t *testing.T) {
// Use an invalid port number
port := -1
errCh := StartHealthServer(port)
defer close(errCh) // Close the error channel after the test completes
select {
case err := <-errCh:
if err == nil {
t.Error("Expected error, got nil")
} else if err.Error() != fmt.Sprintf("listen tcp: address %d: invalid port", port) {
t.Errorf("Expected error message about invalid port, got %v", err)
}
case <-time.After(2 * time.Second):
t.Error("Timed out waiting for error")
}
}
func TestHealthProbe(t *testing.T) {
// Create a mock HTTP request
req, err := http.NewRequest("GET", "/healthz", nil)
if err != nil {
t.Fatalf("Failed to create request: %v", err)
}
// Create a mock HTTP response recorder
w := httptest.NewRecorder()
// Call the HealthProbe function directly
HealthProbe(w, req)
// Check the response status code
if w.Code != http.StatusOK {
t.Errorf("Expected status OK; got %d", w.Code)
}
// Check the response body
expectedBody := "OK\n"
if body := w.Body.String(); body != expectedBody {
t.Errorf("Expected body %q; got %q", expectedBody, body)
}
}
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