go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/gce/appengine/testing/roundtripper/roundtripper_test.go (about)

     1  // Copyright 2018 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package roundtripper
    16  
    17  import (
    18  	"io"
    19  	"net/http"
    20  	"reflect"
    21  	"testing"
    22  
    23  	"google.golang.org/api/compute/v1"
    24  	"google.golang.org/api/googleapi"
    25  
    26  	. "github.com/smartystreets/goconvey/convey"
    27  )
    28  
    29  func TestJSONRoundTripper(t *testing.T) {
    30  	t.Parallel()
    31  
    32  	Convey("RoundTrip", t, func() {
    33  		rt := &JSONRoundTripper{}
    34  		gce, err := compute.New(&http.Client{Transport: rt})
    35  		So(err, ShouldBeNil)
    36  		srv := compute.NewInstancesService(gce)
    37  		call := srv.Insert("project", "zone", &compute.Instance{Name: "name"})
    38  
    39  		Convey("ok", func() {
    40  			rt.Handler = func(req any) (int, any) {
    41  				inst, ok := req.(*compute.Instance)
    42  				So(ok, ShouldBeTrue)
    43  				So(inst.Name, ShouldEqual, "name")
    44  				return http.StatusOK, &compute.Operation{
    45  					ClientOperationId: "id",
    46  				}
    47  			}
    48  			rt.Type = reflect.TypeOf(compute.Instance{})
    49  			rsp, err := call.Do()
    50  			So(err, ShouldBeNil)
    51  			So(rsp, ShouldNotBeNil)
    52  			So(rsp.ClientOperationId, ShouldEqual, "id")
    53  		})
    54  
    55  		Convey("error", func() {
    56  			rt.Handler = func(_ any) (int, any) {
    57  				return http.StatusNotFound, nil
    58  			}
    59  			rt.Type = reflect.TypeOf(compute.Instance{})
    60  			rsp, err := call.Do()
    61  			So(err.(*googleapi.Error).Code, ShouldEqual, http.StatusNotFound)
    62  			So(rsp, ShouldBeNil)
    63  		})
    64  	})
    65  }
    66  
    67  func TestStringRoundTripper(t *testing.T) {
    68  	t.Parallel()
    69  
    70  	Convey("RoundTrip", t, func() {
    71  		rt := &StringRoundTripper{}
    72  		cli := &http.Client{Transport: rt}
    73  		rt.Handler = func(req *http.Request) (int, string) {
    74  			So(req, ShouldNotBeNil)
    75  			return http.StatusOK, "test"
    76  		}
    77  		rsp, err := cli.Get("https://example.com")
    78  		So(err, ShouldBeNil)
    79  		So(rsp, ShouldNotBeNil)
    80  		So(rsp.StatusCode, ShouldEqual, http.StatusOK)
    81  		b, err := io.ReadAll(rsp.Body)
    82  		So(err, ShouldBeNil)
    83  		So(string(b), ShouldEqual, "test")
    84  	})
    85  }