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| 1 | +//go:build tools && integration |
| 2 | + |
| 3 | +/* |
| 4 | +Copyright 2023 The Kubernetes Authors. |
| 5 | +
|
| 6 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | +you may not use this file except in compliance with the License. |
| 8 | +You may obtain a copy of the License at |
| 9 | +
|
| 10 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | +
|
| 12 | +Unless required by applicable law or agreed to in writing, software |
| 13 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | +See the License for the specific language governing permissions and |
| 16 | +limitations under the License. |
| 17 | +*/ |
| 18 | + |
| 19 | +package main |
| 20 | + |
| 21 | +import ( |
| 22 | + "flag" |
| 23 | + "fmt" |
| 24 | + "io" |
| 25 | + "os" |
| 26 | + "testing" |
| 27 | + |
| 28 | + . "github.com/onsi/gomega" |
| 29 | +) |
| 30 | + |
| 31 | +func TestReleaseNotes(t *testing.T) { |
| 32 | + g := NewWithT(t) |
| 33 | + folder := os.Getenv("NOTES_TEST_FOLDER") |
| 34 | + goldenFile := os.Getenv("NOTES_TEST_GOLDEN_FILE") |
| 35 | + prevTag := os.Getenv("NOTES_TEST_PREVIOUS_RELEASE_TAG") |
| 36 | + |
| 37 | + g.Expect(folder).ToNot(BeEmpty()) |
| 38 | + g.Expect(goldenFile).ToNot(BeEmpty()) |
| 39 | + g.Expect(prevTag).ToNot(BeEmpty()) |
| 40 | + |
| 41 | + t.Logf("Running release notes for prev tag %s", prevTag) |
| 42 | + |
| 43 | + expectedOutput, err := os.ReadFile(goldenFile) |
| 44 | + g.Expect(err).ToNot(HaveOccurred()) |
| 45 | + |
| 46 | + // two workers is slow but is guarantees no rate limiting |
| 47 | + os.Args = []string{os.Args[0], "--from", prevTag, "--workers", "2"} |
| 48 | + g.Expect(os.Chdir(folder)).To(Succeed()) |
| 49 | + |
| 50 | + old := os.Stdout // keep backup of the real stdout to restore later |
| 51 | + r, w, err := os.Pipe() |
| 52 | + g.Expect(err).To(Succeed()) |
| 53 | + os.Stdout = w |
| 54 | + |
| 55 | + g.Expect(runReleaseNotesCmd()).To(Succeed()) |
| 56 | + |
| 57 | + w.Close() |
| 58 | + output, err := io.ReadAll(r) |
| 59 | + g.Expect(err).NotTo(HaveOccurred()) |
| 60 | + os.Stdout = old |
| 61 | + |
| 62 | + g.Expect(string(output)).To(BeComparableTo(string(expectedOutput))) |
| 63 | +} |
| 64 | + |
| 65 | +func runReleaseNotesCmd() error { |
| 66 | + // we replicate the main function here so we don't get os.Exit |
| 67 | + flag.Parse() |
| 68 | + if code := run(); code != 0 { |
| 69 | + return fmt.Errorf("release notes command exited with code %d", code) |
| 70 | + } |
| 71 | + |
| 72 | + return nil |
| 73 | +} |
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