api_test.go

Documentation: github.com/docker/distribution/health/api

     1  package api
     2  
     3  import (
     4  	"net/http"
     5  	"net/http/httptest"
     6  	"testing"
     7  
     8  	"github.com/docker/distribution/health"
     9  )
    10  
    11  // TestGETDownHandlerDoesNotChangeStatus ensures that calling the endpoint
    12  // /debug/health/down with METHOD GET returns a 404
    13  func TestGETDownHandlerDoesNotChangeStatus(t *testing.T) {
    14  	recorder := httptest.NewRecorder()
    15  
    16  	req, err := http.NewRequest("GET", "https://fakeurl.com/debug/health/down", nil)
    17  	if err != nil {
    18  		t.Errorf("Failed to create request.")
    19  	}
    20  
    21  	DownHandler(recorder, req)
    22  
    23  	if recorder.Code != 404 {
    24  		t.Errorf("Did not get a 404.")
    25  	}
    26  }
    27  
    28  // TestGETUpHandlerDoesNotChangeStatus ensures that calling the endpoint
    29  // /debug/health/down with METHOD GET returns a 404
    30  func TestGETUpHandlerDoesNotChangeStatus(t *testing.T) {
    31  	recorder := httptest.NewRecorder()
    32  
    33  	req, err := http.NewRequest("GET", "https://fakeurl.com/debug/health/up", nil)
    34  	if err != nil {
    35  		t.Errorf("Failed to create request.")
    36  	}
    37  
    38  	DownHandler(recorder, req)
    39  
    40  	if recorder.Code != 404 {
    41  		t.Errorf("Did not get a 404.")
    42  	}
    43  }
    44  
    45  // TestPOSTDownHandlerChangeStatus ensures the endpoint /debug/health/down changes
    46  // the status code of the response to 503
    47  // This test is order dependent, and should come before TestPOSTUpHandlerChangeStatus
    48  func TestPOSTDownHandlerChangeStatus(t *testing.T) {
    49  	recorder := httptest.NewRecorder()
    50  
    51  	req, err := http.NewRequest("POST", "https://fakeurl.com/debug/health/down", nil)
    52  	if err != nil {
    53  		t.Errorf("Failed to create request.")
    54  	}
    55  
    56  	DownHandler(recorder, req)
    57  
    58  	if recorder.Code != 200 {
    59  		t.Errorf("Did not get a 200.")
    60  	}
    61  
    62  	if len(health.CheckStatus()) != 1 {
    63  		t.Errorf("DownHandler didn't add an error check.")
    64  	}
    65  }
    66  
    67  // TestPOSTUpHandlerChangeStatus ensures the endpoint /debug/health/up changes
    68  // the status code of the response to 200
    69  func TestPOSTUpHandlerChangeStatus(t *testing.T) {
    70  	recorder := httptest.NewRecorder()
    71  
    72  	req, err := http.NewRequest("POST", "https://fakeurl.com/debug/health/up", nil)
    73  	if err != nil {
    74  		t.Errorf("Failed to create request.")
    75  	}
    76  
    77  	UpHandler(recorder, req)
    78  
    79  	if recorder.Code != 200 {
    80  		t.Errorf("Did not get a 200.")
    81  	}
    82  
    83  	if len(health.CheckStatus()) != 0 {
    84  		t.Errorf("UpHandler didn't remove the error check.")
    85  	}
    86  }
    87
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