go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/starlark/builtins/fail_test.go (about)

     1  // Copyright 2018 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 builtins
    16  
    17  import (
    18  	"testing"
    19  
    20  	"go.starlark.net/starlark"
    21  
    22  	. "github.com/smartystreets/goconvey/convey"
    23  )
    24  
    25  func TestFail(t *testing.T) {
    26  	t.Parallel()
    27  
    28  	runScript := func(code string) error {
    29  		th := &starlark.Thread{}
    30  		fc := &FailureCollector{}
    31  		fc.Install(th)
    32  		_, err := starlark.ExecFile(th, "main", code, starlark.StringDict{
    33  			"fail":       Fail,
    34  			"stacktrace": Stacktrace,
    35  		})
    36  		if f := fc.LatestFailure(); f != nil {
    37  			return f
    38  		}
    39  		return err
    40  	}
    41  
    42  	Convey("Works with default trace", t, func() {
    43  		err := runScript(`fail("boo")`)
    44  		So(err.Error(), ShouldEqual, "boo")
    45  		So(NormalizeStacktrace(err.(*Failure).Backtrace()),
    46  			ShouldContainSubstring, "main: in <toplevel>")
    47  	})
    48  
    49  	Convey("Works with custom trace", t, func() {
    50  		err := runScript(`
    51  def capture():
    52  	return stacktrace()
    53  
    54  s = capture()
    55  
    56  fail("boo", 123, ['z'], None, trace=s)
    57  `)
    58  		So(err.Error(), ShouldEqual, `boo 123 ["z"] None`)
    59  		So(NormalizeStacktrace(err.(*Failure).Backtrace()),
    60  			ShouldContainSubstring, "main: in capture")
    61  	})
    62  }