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When a Gomega failure is converted to an error, the stack at the time when the failure occurs may be useful: error wrapping provides some bread crumbs that can be followed to determine where the failure really occurred, but error wrapping may be missing or ambiguous. To provide the additional information, a FailureError now includes a full stack backtrace. The backtrace intentionally makes no attempt to exclude framework functions besides the gomega support itself because helpers like e2e/framework/pod may be relevant. That backtrace is not included in the failure message for the sake of brevity. Instead, it gets logged as part of the test's output.
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package framework
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import (
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"errors"
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"testing"
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"github.com/onsi/gomega"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// This test is sensitive to line numbering.
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// The following lines can be removed to compensate for import changes.
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//
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//
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//
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//
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//
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//
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//
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//
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//
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//
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// This must be line #40.
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func TestNewGomega(t *testing.T) {
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if err := Gomega().Expect("hello").To(gomega.Equal("hello")); err != nil {
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t.Errorf("unexpected failure: %s", err.Error())
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}
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err := Gomega().Expect("hello").ToNot(gomega.Equal("hello"))
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require.NotNil(t, err)
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assert.Equal(t, `Expected
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<string>: hello
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not to equal
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<string>: hello`, err.Error())
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if !errors.Is(err, ErrFailure) {
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t.Errorf("expected error that is ErrFailure, got %T: %+v", err, err)
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}
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var failure FailureError
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if !errors.As(err, &failure) {
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t.Errorf("expected error that can be copied to FailureError, got %T: %+v", err, err)
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} else {
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assert.Regexp(t, `^k8s.io/kubernetes/test/e2e/framework.TestNewGomega\(0x[0-9A-Fa-f]*\)
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.*/test/e2e/framework/expect_test.go:46`, failure.Backtrace())
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}
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}
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