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|
package fallback
import (
"errors"
"os"
"testing"
"github.com/stretchr/testify/require"
)
type fakeExec struct {
OldExec func(string, []string, []string) error
Error error
Called bool
Filename string
Args []string
Env []string
}
var (
fakeArgs = []string{"./test", "foo", "bar"}
)
func (f *fakeExec) Exec(filename string, args []string, env []string) error {
f.Called = true
f.Filename = filename
f.Args = args
f.Env = env
return f.Error
}
func (f *fakeExec) Setup() {
f.OldExec = execFunc
execFunc = f.Exec
}
func (f *fakeExec) Cleanup() {
execFunc = f.OldExec
}
func TestExecuteExecsCommandSuccesfully(t *testing.T) {
cmd := &Command{RootDir: "/tmp", Args: fakeArgs}
// Override the exec func
fake := &fakeExec{}
fake.Setup()
defer fake.Cleanup()
require.NoError(t, cmd.Execute())
require.True(t, fake.Called)
require.Equal(t, fake.Filename, "/tmp/bin/gitlab-shell-ruby")
require.Equal(t, fake.Args, []string{"/tmp/bin/gitlab-shell-ruby", "foo", "bar"})
require.Equal(t, fake.Env, os.Environ())
}
func TestExecuteExecsCommandOnError(t *testing.T) {
cmd := &Command{RootDir: "/test", Args: fakeArgs}
// Override the exec func
fake := &fakeExec{Error: errors.New("Test error")}
fake.Setup()
defer fake.Cleanup()
require.Error(t, cmd.Execute())
require.True(t, fake.Called)
}
func TestExecuteGivenNonexistentCommand(t *testing.T) {
cmd := &Command{RootDir: "/tmp/does/not/exist", Args: fakeArgs}
require.Error(t, cmd.Execute())
}
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