go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/logdog/client/butlerlib/streamproto/streamName_test.go (about)

     1  // Copyright 2015 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 streamproto
    16  
    17  import (
    18  	"encoding/json"
    19  	"flag"
    20  	"testing"
    21  
    22  	. "github.com/smartystreets/goconvey/convey"
    23  )
    24  
    25  func TestStreamName(t *testing.T) {
    26  	Convey(`A StreamNameFlag`, t, func() {
    27  		sn := StreamNameFlag("")
    28  
    29  		Convey(`When attached to a flag.`, func() {
    30  			fs := flag.FlagSet{}
    31  			fs.Var(&sn, "name", "Test stream name.")
    32  
    33  			Convey(`Will successfully parse a valid stream name.`, func() {
    34  				err := fs.Parse([]string{"-name", "test/stream/name"})
    35  				So(err, ShouldBeNil)
    36  				So(sn, ShouldEqual, StreamNameFlag("test/stream/name"))
    37  			})
    38  
    39  			Convey(`Will fail to parse an invalid stream name.`, func() {
    40  				err := fs.Parse([]string{"-name", "test;stream;name"})
    41  				So(err, ShouldNotBeNil)
    42  			})
    43  		})
    44  
    45  		Convey(`With valid value "test/stream/name"`, func() {
    46  			Convey(`Will marshal into a JSON string.`, func() {
    47  				sn = "test/stream/name"
    48  				d, err := json.Marshal(&sn)
    49  				So(err, ShouldBeNil)
    50  				So(string(d), ShouldEqual, `"test/stream/name"`)
    51  
    52  				Convey(`And successfully unmarshal.`, func() {
    53  					sn = ""
    54  					err := json.Unmarshal(d, &sn)
    55  					So(err, ShouldBeNil)
    56  					So(sn, ShouldEqual, StreamNameFlag("test/stream/name"))
    57  				})
    58  			})
    59  		})
    60  
    61  		Convey(`JSON with an invalid value "test;stream;name" will fail to Unmarshal.`, func() {
    62  			sn := StreamNameFlag("")
    63  			err := json.Unmarshal([]byte(`"test;stream;name"`), &sn)
    64  			So(err, ShouldNotBeNil)
    65  		})
    66  	})
    67  }