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// Copyright 2019 Serra Allgood
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package alias
import (
"context"
"fmt"
"strings"
"testing"
appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
)
type MockRoomserverAliasAPIDatabase struct {
mode string
attempts int
}
// These methods can be essentially noop
func (db MockRoomserverAliasAPIDatabase) SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error {
return nil
}
func (db MockRoomserverAliasAPIDatabase) GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error) {
aliases := make([]string, 0)
return aliases, nil
}
func (db MockRoomserverAliasAPIDatabase) RemoveRoomAlias(ctx context.Context, alias string) error {
return nil
}
func (db *MockRoomserverAliasAPIDatabase) GetCreatorIDForAlias(
ctx context.Context, alias string,
) (string, error) {
return "", nil
}
// This method needs to change depending on test case
func (db *MockRoomserverAliasAPIDatabase) GetRoomIDForAlias(
ctx context.Context,
alias string,
) (string, error) {
switch db.mode {
case "empty":
return "", nil
case "error":
return "", fmt.Errorf("found an error from GetRoomIDForAlias")
case "found":
return "123", nil
case "emptyFound":
switch db.attempts {
case 0:
db.attempts = 1
return "", nil
case 1:
db.attempts = 0
return "123", nil
default:
return "", nil
}
default:
return "", fmt.Errorf("unknown option used")
}
}
type MockAppServiceQueryAPI struct {
mode string
}
// This method can be noop
func (q MockAppServiceQueryAPI) UserIDExists(
ctx context.Context,
req *appserviceAPI.UserIDExistsRequest,
resp *appserviceAPI.UserIDExistsResponse,
) error {
return nil
}
func (q MockAppServiceQueryAPI) RoomAliasExists(
ctx context.Context,
req *appserviceAPI.RoomAliasExistsRequest,
resp *appserviceAPI.RoomAliasExistsResponse,
) error {
switch q.mode {
case "error":
return fmt.Errorf("found an error from RoomAliasExists")
case "found":
resp.AliasExists = true
return nil
case "empty":
resp.AliasExists = false
return nil
default:
return fmt.Errorf("Unknown option used")
}
}
func TestGetRoomIDForAlias(t *testing.T) {
type arguments struct {
ctx context.Context
request *roomserverAPI.GetRoomIDForAliasRequest
response *roomserverAPI.GetRoomIDForAliasResponse
}
args := arguments{
context.Background(),
&roomserverAPI.GetRoomIDForAliasRequest{},
&roomserverAPI.GetRoomIDForAliasResponse{},
}
type testCase struct {
name string
dbMode string
queryMode string
wantError bool
errorMsg string
want string
}
tt := []testCase{
{
"found local alias",
"found",
"error",
false,
"",
"123",
},
{
"found appservice alias",
"emptyFound",
"found",
false,
"",
"123",
},
{
"error returned from DB",
"error",
"",
true,
"GetRoomIDForAlias",
"",
},
{
"error returned from appserviceAPI",
"empty",
"error",
true,
"RoomAliasExists",
"",
},
{
"no errors but no alias",
"empty",
"empty",
false,
"",
"",
},
}
setup := func(dbMode, queryMode string) *RoomserverAliasAPI {
mockAliasAPIDB := &MockRoomserverAliasAPIDatabase{dbMode, 0}
mockAppServiceQueryAPI := MockAppServiceQueryAPI{queryMode}
return &RoomserverAliasAPI{
DB: mockAliasAPIDB,
AppserviceAPI: mockAppServiceQueryAPI,
}
}
for _, tc := range tt {
t.Run(tc.name, func(t *testing.T) {
aliasAPI := setup(tc.dbMode, tc.queryMode)
err := aliasAPI.GetRoomIDForAlias(args.ctx, args.request, args.response)
if tc.wantError {
if err == nil {
t.Fatalf("Got no error; wanted error from %s", tc.errorMsg)
} else if !strings.Contains(err.Error(), tc.errorMsg) {
t.Fatalf("Got %s; wanted error from %s", err, tc.errorMsg)
}
} else if err != nil {
t.Fatalf("Got %s; wanted no error", err)
} else if args.response.RoomID != tc.want {
t.Errorf("Got '%s'; wanted '%s'", args.response.RoomID, tc.want)
}
})
}
}
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