blob: a2441777f5ac5886ce9dcbc1d622e4ebcc7b5d1b [file] [log] [blame]
// Copyright 2019 The LUCI Authors.
//
// 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 luciexe
import (
"flag"
"io"
"testing"
. "github.com/smartystreets/goconvey/convey"
. "go.chromium.org/luci/common/testing/assertions"
)
func TestOutputFlag(t *testing.T) {
t.Parallel()
Convey(`OutputFlag`, t, func() {
fs := &flag.FlagSet{}
fs.SetOutput(io.Discard)
of := AddOutputFlagToSet(fs)
Convey(`good`, func() {
Convey(`empty`, func() {
So(fs.Parse(nil), ShouldBeNil)
So(of.Path, ShouldBeEmpty)
So(of.Codec, ShouldResemble, buildFileCodecNoop{})
})
Convey(`missing`, func() {
So(fs.Parse([]string{"other", "stuff"}), ShouldBeNil)
So(of.Path, ShouldBeEmpty)
So(of.Codec, ShouldResemble, buildFileCodecNoop{})
})
Convey(`equal`, func() {
So(fs.Parse([]string{OutputCLIArg + "=out.textpb", "a", "b"}), ShouldBeNil)
So(of.Path, ShouldResemble, "out.textpb")
So(of.Codec, ShouldResemble, buildFileCodecText{})
So(fs.Args(), ShouldResemble, []string{"a", "b"})
})
Convey(`two val`, func() {
So(fs.Parse([]string{OutputCLIArg, "out.json", "a", "b"}), ShouldBeNil)
So(of.Path, ShouldResemble, "out.json")
So(of.Codec, ShouldResemble, buildFileCodecJSON{})
So(fs.Args(), ShouldResemble, []string{"a", "b"})
})
Convey(`explicit noop`, func() {
So(fs.Parse([]string{OutputCLIArg + "="}), ShouldBeNil)
So(of.Path, ShouldBeEmpty)
So(of.Codec, ShouldResemble, buildFileCodecNoop{})
})
})
Convey(`bad`, func() {
Convey(`incomplete`, func() {
So(fs.Parse([]string{OutputCLIArg}), ShouldErrLike, "flag needs an argument")
So(of.Path, ShouldBeEmpty)
So(of.Codec, ShouldResemble, buildFileCodecNoop{})
})
Convey(`bad extension`, func() {
So(fs.Parse([]string{OutputCLIArg, "nope", "arg"}), ShouldErrLike, "bad extension")
So(of.Path, ShouldBeEmpty)
So(of.Codec, ShouldResemble, buildFileCodecNoop{})
})
})
})
}