github.com/sijibomii/docker@v0.0.0-20231230191044-5cf6ca554647/api/server/middleware/version_test.go (about)

     1  package middleware
     2  
     3  import (
     4  	"net/http"
     5  	"net/http/httptest"
     6  	"strings"
     7  	"testing"
     8  
     9  	"github.com/docker/docker/api/server/httputils"
    10  	"github.com/docker/docker/pkg/version"
    11  	"golang.org/x/net/context"
    12  )
    13  
    14  func TestVersionMiddleware(t *testing.T) {
    15  	handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    16  		if httputils.VersionFromContext(ctx) == "" {
    17  			t.Fatalf("Expected version, got empty string")
    18  		}
    19  		return nil
    20  	}
    21  
    22  	defaultVersion := version.Version("1.10.0")
    23  	minVersion := version.Version("1.2.0")
    24  	m := NewVersionMiddleware(defaultVersion, defaultVersion, minVersion)
    25  	h := m.WrapHandler(handler)
    26  
    27  	req, _ := http.NewRequest("GET", "/containers/json", nil)
    28  	resp := httptest.NewRecorder()
    29  	ctx := context.Background()
    30  	if err := h(ctx, resp, req, map[string]string{}); err != nil {
    31  		t.Fatal(err)
    32  	}
    33  }
    34  
    35  func TestVersionMiddlewareWithErrors(t *testing.T) {
    36  	handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    37  		if httputils.VersionFromContext(ctx) == "" {
    38  			t.Fatalf("Expected version, got empty string")
    39  		}
    40  		return nil
    41  	}
    42  
    43  	defaultVersion := version.Version("1.10.0")
    44  	minVersion := version.Version("1.2.0")
    45  	m := NewVersionMiddleware(defaultVersion, defaultVersion, minVersion)
    46  	h := m.WrapHandler(handler)
    47  
    48  	req, _ := http.NewRequest("GET", "/containers/json", nil)
    49  	resp := httptest.NewRecorder()
    50  	ctx := context.Background()
    51  
    52  	vars := map[string]string{"version": "0.1"}
    53  	err := h(ctx, resp, req, vars)
    54  
    55  	if !strings.Contains(err.Error(), "client version 0.1 is too old. Minimum supported API version is 1.2.0") {
    56  		t.Fatalf("Expected too old client error, got %v", err)
    57  	}
    58  
    59  	vars["version"] = "100000"
    60  	err = h(ctx, resp, req, vars)
    61  	if !strings.Contains(err.Error(), "client is newer than server") {
    62  		t.Fatalf("Expected client newer than server error, got %v", err)
    63  	}
    64  }