github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/integration/system/ping_test.go (about)

     1  package system // import "github.com/docker/docker/integration/system"
     2  
     3  import (
     4  	"net/http"
     5  	"strings"
     6  	"testing"
     7  
     8  	"github.com/docker/docker/api/types/versions"
     9  	"github.com/docker/docker/testutil/request"
    10  	"gotest.tools/v3/assert"
    11  	"gotest.tools/v3/skip"
    12  )
    13  
    14  func TestPingCacheHeaders(t *testing.T) {
    15  	skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.40"), "skip test from new feature")
    16  	defer setupTest(t)()
    17  
    18  	res, _, err := request.Get("/_ping")
    19  	assert.NilError(t, err)
    20  	assert.Equal(t, res.StatusCode, http.StatusOK)
    21  
    22  	assert.Equal(t, hdr(res, "Cache-Control"), "no-cache, no-store, must-revalidate")
    23  	assert.Equal(t, hdr(res, "Pragma"), "no-cache")
    24  }
    25  
    26  func TestPingGet(t *testing.T) {
    27  	defer setupTest(t)()
    28  
    29  	res, body, err := request.Get("/_ping")
    30  	assert.NilError(t, err)
    31  
    32  	b, err := request.ReadBody(body)
    33  	assert.NilError(t, err)
    34  	assert.Equal(t, string(b), "OK")
    35  	assert.Equal(t, res.StatusCode, http.StatusOK)
    36  	assert.Check(t, hdr(res, "API-Version") != "")
    37  }
    38  
    39  func TestPingHead(t *testing.T) {
    40  	skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.40"), "skip test from new feature")
    41  	defer setupTest(t)()
    42  
    43  	res, body, err := request.Head("/_ping")
    44  	assert.NilError(t, err)
    45  
    46  	b, err := request.ReadBody(body)
    47  	assert.NilError(t, err)
    48  	assert.Equal(t, 0, len(b))
    49  	assert.Equal(t, res.StatusCode, http.StatusOK)
    50  	assert.Check(t, hdr(res, "API-Version") != "")
    51  }
    52  
    53  func hdr(res *http.Response, name string) string {
    54  	val, ok := res.Header[http.CanonicalHeaderKey(name)]
    55  	if !ok || len(val) == 0 {
    56  		return ""
    57  	}
    58  	return strings.Join(val, ", ")
    59  }