go-common/app/tool/bmproto/protoc-gen-bm/command_line_test.go
2019-04-22 18:49:16 +08:00

129 lines
3.4 KiB
Go

// Copyright 2018 Twitch Interactive, Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may not
// use this file except in compliance with the License. A copy of the License is
// located at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// or in the "license" file accompanying this file. This file 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 main
import (
"errors"
"reflect"
"testing"
)
func TestParseCommandLineParams(t *testing.T) {
tests := []struct {
name string
parameter string
params *commandLineParams
err error
}{
{
"no parameters",
"",
&commandLineParams{
importMap: map[string]string{},
},
nil,
},
{
"unknown parameter",
"k=v",
nil,
errors.New(`unknown parameter "k"`),
},
{
"empty parameter value - no equals sign",
"import_prefix",
nil,
errors.New(`invalid parameter "import_prefix": expected format of parameter to be k=v`),
},
{
"empty parameter value - no value",
"import_prefix=",
nil,
errors.New(`invalid parameter "import_prefix": expected format of parameter to be k=v`),
},
{
"import_prefix parameter",
"import_prefix=github.com/example/repo",
&commandLineParams{
importMap: map[string]string{},
importPrefix: "github.com/example/repo",
},
nil,
},
{
"single import parameter starting with 'M'",
"Mrpcutil/empty.proto=github.com/example/rpcutil",
&commandLineParams{
importMap: map[string]string{
"rpcutil/empty.proto": "github.com/example/rpcutil",
},
},
nil,
},
{
"multiple import parameters starting with 'M'",
"Mrpcutil/empty.proto=github.com/example/rpcutil,Mrpc/haberdasher/service.proto=github.com/example/rpc/haberdasher",
&commandLineParams{
importMap: map[string]string{
"rpcutil/empty.proto": "github.com/example/rpcutil",
"rpc/haberdasher/service.proto": "github.com/example/rpc/haberdasher",
},
},
nil,
},
{
"single import parameter starting with 'go_import_mapping@'",
"go_import_mapping@rpcutil/empty.proto=github.com/example/rpcutil",
&commandLineParams{
importMap: map[string]string{
"rpcutil/empty.proto": "github.com/example/rpcutil",
},
},
nil,
},
{
"multiple import parameters starting with 'go_import_mapping@'",
"go_import_mapping@rpcutil/empty.proto=github.com/example/rpcutil,go_import_mapping@rpc/haberdasher/service.proto=github.com/example/rpc/haberdasher",
&commandLineParams{
importMap: map[string]string{
"rpcutil/empty.proto": "github.com/example/rpcutil",
"rpc/haberdasher/service.proto": "github.com/example/rpc/haberdasher",
},
},
nil,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
params, err := parseCommandLineParams(tt.parameter)
switch {
case err != nil:
if tt.err == nil {
t.Fatal(err)
}
if err.Error() != tt.err.Error() {
t.Errorf("got error = %v, want %v", err, tt.err)
}
case err == nil:
if tt.err != nil {
t.Errorf("got error = %v, want %v", err, tt.err)
}
}
if !reflect.DeepEqual(params, tt.params) {
t.Errorf("got params = %v, want %v", params, tt.params)
}
})
}
}