73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// Copyright 2021 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package main
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import (
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"bytes"
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"log"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestEntrypoint(t *testing.T) {
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for _, tt := range []struct {
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name string
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args []string
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wantOutput string
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wantFail bool
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wantArgs []string
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}{
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{
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name: "missing args",
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args: []string{},
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wantOutput: "missing os.Args\n",
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wantFail: true,
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},
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{
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name: "invalid subcommand",
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args: []string{"/path/to/invalid", "some", "args"},
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wantOutput: "must be invoked as one of [another-test-binary valid-test-binary], not \"invalid\"\n",
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wantFail: true,
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},
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{
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name: "valid",
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args: []string{"/path/to/valid-test-binary", "foo", "bar"},
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wantArgs: []string{"/path/to/valid-test-binary", "foo", "bar"},
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},
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} {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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var logBuf bytes.Buffer
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testLog := log.New(&logBuf, "", 0)
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exited := "exiting via fatal"
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fail = func(format string, v ...interface{}) {
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testLog.Printf(format, v...)
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panic(exited)
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}
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// Make a test command that records os.Args when it's invoked.
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var gotArgs []string
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subcommands = map[string]func(){
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"valid-test-binary": func() { gotArgs = os.Args },
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"another-test-binary": func() {},
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}
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os.Args = tt.args
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if tt.wantFail {
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require.PanicsWithValue(t, exited, main)
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} else {
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require.NotPanics(t, main)
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}
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if tt.wantArgs != nil {
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require.Equal(t, tt.wantArgs, gotArgs)
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}
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if tt.wantOutput != "" {
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require.Equal(t, tt.wantOutput, logBuf.String())
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}
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})
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}
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}
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