153 lines
3.4 KiB
Go
153 lines
3.4 KiB
Go
// Copyright 2020-2023 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package cmd
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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apimachineryversion "k8s.io/apimachinery/pkg/version"
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"go.pinniped.dev/internal/here"
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"go.pinniped.dev/internal/pversion"
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)
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var (
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knownGoodUsageRegexpForVersion = here.Doc(`
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Usage:
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version \[flags\]
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Flags:
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-h, --help help for version
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-o, --output string one of 'yaml' or 'json'
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`)
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knownGoodHelpRegexpForVersion = here.Doc(`
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Print the version of this Pinniped CLI
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Usage:
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version \[flags\]
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Flags:
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-h, --help help for version
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-o, --output string one of 'yaml' or 'json'
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`)
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jsonRegexp = here.Doc(`{
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"major": "\d*",
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"minor": "\d*",
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"gitVersion": "i am a version for json output",
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"gitCommit": ".*",
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"gitTreeState": ".*",
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"buildDate": ".*",
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"goVersion": ".*",
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"compiler": ".*",
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"platform": ".*/.*"
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}`)
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yamlRegexp = here.Doc(`buildDate: ".*"
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compiler: .*
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gitCommit: .*
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gitTreeState: .*
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gitVersion: i am a version for yaml output
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goVersion: .*
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major: "\d*"
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minor: "\d*"
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platform: .*/.*
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`)
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)
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func TestNewVersionCmd(t *testing.T) {
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t.Cleanup(func() {
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getBuildInfo = pversion.Get
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})
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tests := []struct {
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name string
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args []string
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vars string
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getBuildInfo func() apimachineryversion.Info
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wantError bool
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wantStdoutRegexp string
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wantStderrRegexp string
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}{
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{
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name: "no flags",
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args: []string{},
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getBuildInfo: func() apimachineryversion.Info {
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return apimachineryversion.Info{GitVersion: "v55.66.44"}
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},
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wantStdoutRegexp: "v55.66.44\n",
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},
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{
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name: "help flag passed",
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args: []string{"--help"},
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wantStdoutRegexp: knownGoodHelpRegexpForVersion,
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},
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{
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name: "arg passed",
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args: []string{"tuna"},
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wantError: true,
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wantStderrRegexp: `Error: unknown command "tuna" for "version"`,
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wantStdoutRegexp: knownGoodUsageRegexpForVersion,
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},
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{
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name: "json output",
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args: []string{"--output", "json"},
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getBuildInfo: func() apimachineryversion.Info {
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return apimachineryversion.Info{
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GitVersion: "i am a version for json output",
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Platform: "a/b",
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}
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},
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wantStdoutRegexp: jsonRegexp,
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},
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{
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name: "yaml output",
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args: []string{"--output", "yaml"},
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getBuildInfo: func() apimachineryversion.Info {
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return apimachineryversion.Info{
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GitVersion: "i am a version for yaml output",
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Platform: "c/d",
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}
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},
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wantStdoutRegexp: yamlRegexp,
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},
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{
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name: "incorrect output",
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args: []string{"--output", "foo"},
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wantError: true,
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wantStderrRegexp: `Error: 'foo' is not a valid option for output`,
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wantStdoutRegexp: knownGoodUsageRegexpForVersion,
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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if tt.getBuildInfo != nil {
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getBuildInfo = tt.getBuildInfo
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}
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cmd := newVersionCommand()
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require.NotNil(t, cmd)
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var stdout, stderr bytes.Buffer
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cmd.SetOut(&stdout)
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cmd.SetErr(&stderr)
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cmd.SetArgs(tt.args)
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err := cmd.Execute()
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if tt.wantError {
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require.Error(t, err)
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} else {
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require.NoError(t, err)
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}
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assert.Regexp(t, tt.wantStdoutRegexp, stdout.String(), "unexpected stdout")
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assert.Regexp(t, tt.wantStderrRegexp, stderr.String(), "unexpected stderr")
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})
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}
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}
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