/usr/share/gocode/src/github.com/odeke-em/command/command_test.go is in golang-github-odeke-em-command-dev 0.0~git20151021.0.91ca5ec-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// 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 command
import (
"flag"
"os"
"testing"
)
// Tests if global flags default values are set if there are
// no flags provided.
func TestDefaultGlobalFlags(t *testing.T) {
resetForTesting()
flagGlobal1 := flag.String("global1", "default-global1", "Description about global1")
Parse()
if *flagGlobal1 != "default-global1" {
t.Error("global flag should be set to default val if the flag is not set")
}
}
// Tests if global flags are set if they are provided by the user.
func TestGlobalFlags(t *testing.T) {
resetForTesting("-global1=hello")
flagGlobal1 := flag.String("global1", "default-global1", "Description about global1")
Parse()
if *flagGlobal1 != "hello" {
t.Errorf("global flag should be set: expected default-global1, found %s", *flagGlobal1)
}
}
// Tests the total number of globally registered flags.
func TestGlobalFlagsCount(t *testing.T) {
resetForTesting("-global1=hello", "-global2=hi")
flag.String("global1", "default-global1", "Description about global1")
flag.String("global2", "default-global2", "Description about global2")
Parse()
total := numOfGlobalFlags()
if total != 2 {
t.Error("total number of global flags are expected to be 2, found %v", total)
}
}
// Tests if subcommand runs if it's provided as a part of arguments.
func TestCommand(t *testing.T) {
resetForTesting("-global1=hello", "command1")
flagGlobal1 := flag.String("global1", "default-global1", "Description about global1")
c1 := &testCmd1{}
On("command1", "", c1, []string{})
Parse()
Run()
if !c1.run {
t.Error("command 'command1' was expected to run, but it didn't")
}
if *c1.flag1 {
t.Errorf("flag1 should be set to default: expected false, found %v", *c1.flag1)
}
if *flagGlobal1 != "hello" {
t.Errorf("global flag should be set: expected default-global1, found %s", *flagGlobal1)
}
}
// Tests if subcommand runs and subcommand flags are set.
func TestCommandFlags(t *testing.T) {
resetForTesting("-global1=hello", "command1", "-flag1=true")
flag.String("global1", "default-global1", "Description about global1")
c1 := &testCmd1{}
On("command1", "", c1, []string{})
Parse()
Run()
if !c1.run {
t.Error("command 'command1' was expected to run, but it didn't")
}
if !*c1.flag1 {
t.Errorf("flag1 should be set: expected true, found %v", *c1.flag1)
}
}
// Tests if correct subcommand runs if multiple subcommands
// are registered.
func TestMultiCommands(t *testing.T) {
resetForTesting("command2")
c1 := &testCmd1{}
c2 := &testCmd2{}
On("command1", "", c1, []string{})
On("command2", "", c2, []string{})
Parse()
Run()
if c1.run {
t.Error("command 'command1' was not expected to run, but it did")
}
if !c2.run {
t.Error("command 'command2' was expected to run, but it didn't")
}
}
// Tests if subcommand runnable has run, if Run is not invoked.
func TestRun(t *testing.T) {
resetForTesting("command1")
c1 := &testCmd1{}
On("command1", "", c1, []string{})
Parse()
if c1.run {
t.Error("command 'command1' was not expected to run, but it did")
}
}
func TestAdditionalCommandArgs(t *testing.T) {
resetForTesting("command1", "--flag1=true", "somearg")
c1 := &testCmd1{}
On("command1", "", c1, []string{})
Parse()
if len(args) < 1 || args[0] != "somearg" {
t.Error("additional command 'somearg' is expected, but can't be found")
}
}
// Resets os.Args and the default flag set.
func resetForTesting(args ...string) {
os.Args = append([]string{"cmd"}, args...)
flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
}
// testCmd1 is a test sub command.
type testCmd1 struct {
flag1 *bool
run bool
}
// Defines flags for the sub command.
func (cmd *testCmd1) Flags(fs *flag.FlagSet) *flag.FlagSet {
cmd.flag1 = fs.Bool("flag1", false, "Description about flag1")
return fs
}
// Sets the run flag.
func (cmd *testCmd1) Run(args []string, definedFlags map[string]*flag.Flag) {
cmd.run = true
}
// testCmd2 is a test sub command.
type testCmd2 struct {
flag2 *bool
run bool
}
// Defines flags for the sub command.
func (cmd *testCmd2) Flags(fs *flag.FlagSet) *flag.FlagSet {
cmd.flag2 = fs.Bool("flag2", false, "Description about flag2")
return fs
}
// Sets the run flag.
func (cmd *testCmd2) Run(args []string, definedFlags map[string]*flag.Flag) {
cmd.run = true
}
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