mirror of
https://github.com/gitpod-io/gitpod.git
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93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
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/// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package cmd
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import (
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"flag"
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"io/ioutil"
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"os"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/stretchr/testify/require"
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)
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var (
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update = flag.Bool("update", false, "update the golden files of this test")
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)
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func init() {
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// Ensure that the randomisation always returns the same values
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rootOpts.SeedValue = 42
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}
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func TestMain(m *testing.M) {
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flag.Parse()
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os.Exit(m.Run())
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}
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func TestRender(t *testing.T) {
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dir, err := ioutil.ReadDir("testdata/render")
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require.NoError(t, err)
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var testCases []struct {
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Name string
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}
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for _, d := range dir {
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if d.IsDir() {
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testCases = append(testCases, struct{ Name string }{
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Name: d.Name(),
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})
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}
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}
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for _, testCase := range testCases {
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t.Run(testCase.Name, func(t *testing.T) {
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// reset seed for each test case
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setSeed()
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rootOpts.VersionMF = "testdata/render/versions.yaml"
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renderOpts.ConfigFN = "testdata/render/" + testCase.Name + "/config.yaml"
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goldenPath := "testdata/render/" + testCase.Name + "/output.golden"
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// Enable experimental config
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renderOpts.UseExperimentalConfig = true
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// Generate the YAML from the render function
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yaml, err := renderFn()
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require.NoError(t, err)
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// Concatenate the []strings with a newline between
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got := ""
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for _, item := range yaml {
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got += item + "\n"
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}
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if *update {
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err := os.WriteFile(goldenPath, []byte(got), 0600)
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require.NoError(t, err)
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return
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}
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// Get the expected output from the golden file
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f, err := os.OpenFile(goldenPath, os.O_RDWR, 0644)
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defer f.Close()
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require.NoError(t, err)
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content, err := ioutil.ReadAll(f)
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if err != nil {
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require.NoError(t, err)
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}
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// Compare
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if diff := cmp.Diff(string(content), got); diff != "" {
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t.Errorf("non-matching golden file %s (-want +got):\n%s", testCase.Name, diff)
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}
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})
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}
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}
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