92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
package middleware // import "github.com/docker/docker/api/server/middleware"
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import (
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"net/http"
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"net/http/httptest"
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"runtime"
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"testing"
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"github.com/docker/docker/api/server/httputils"
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"github.com/stretchr/testify/assert"
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"golang.org/x/net/context"
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)
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func TestVersionMiddlewareVersion(t *testing.T) {
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defaultVersion := "1.10.0"
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minVersion := "1.2.0"
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expectedVersion := defaultVersion
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handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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v := httputils.VersionFromContext(ctx)
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assert.Equal(t, expectedVersion, v)
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return nil
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}
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m := NewVersionMiddleware(defaultVersion, defaultVersion, minVersion)
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h := m.WrapHandler(handler)
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req, _ := http.NewRequest("GET", "/containers/json", nil)
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resp := httptest.NewRecorder()
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ctx := context.Background()
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tests := []struct {
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reqVersion string
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expectedVersion string
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errString string
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}{
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{
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expectedVersion: "1.10.0",
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},
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{
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reqVersion: "1.9.0",
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expectedVersion: "1.9.0",
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},
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{
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reqVersion: "0.1",
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errString: "client version 0.1 is too old. Minimum supported API version is 1.2.0, please upgrade your client to a newer version",
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},
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{
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reqVersion: "9999.9999",
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errString: "client version 9999.9999 is too new. Maximum supported API version is 1.10.0",
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},
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}
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for _, test := range tests {
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expectedVersion = test.expectedVersion
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err := h(ctx, resp, req, map[string]string{"version": test.reqVersion})
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if test.errString != "" {
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assert.EqualError(t, err, test.errString)
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} else {
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assert.NoError(t, err)
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}
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}
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}
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func TestVersionMiddlewareWithErrorsReturnsHeaders(t *testing.T) {
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handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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v := httputils.VersionFromContext(ctx)
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assert.NotEmpty(t, v)
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return nil
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}
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defaultVersion := "1.10.0"
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minVersion := "1.2.0"
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m := NewVersionMiddleware(defaultVersion, defaultVersion, minVersion)
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h := m.WrapHandler(handler)
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req, _ := http.NewRequest("GET", "/containers/json", nil)
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resp := httptest.NewRecorder()
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ctx := context.Background()
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vars := map[string]string{"version": "0.1"}
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err := h(ctx, resp, req, vars)
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assert.Error(t, err)
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hdr := resp.Result().Header
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assert.Contains(t, hdr.Get("Server"), "Docker/"+defaultVersion)
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assert.Contains(t, hdr.Get("Server"), runtime.GOOS)
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assert.Equal(t, hdr.Get("API-Version"), defaultVersion)
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assert.Equal(t, hdr.Get("OSType"), runtime.GOOS)
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}
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