mirror of
https://github.com/cwinfo/matterbridge.git
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65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// Package exit provides stubs so that unit tests can exercise code that calls
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// os.Exit(1).
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package exit
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import "os"
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var real = func() { os.Exit(1) }
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// Exit normally terminates the process by calling os.Exit(1). If the package
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// is stubbed, it instead records a call in the testing spy.
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func Exit() {
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real()
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}
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// A StubbedExit is a testing fake for os.Exit.
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type StubbedExit struct {
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Exited bool
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prev func()
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}
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// Stub substitutes a fake for the call to os.Exit(1).
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func Stub() *StubbedExit {
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s := &StubbedExit{prev: real}
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real = s.exit
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return s
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}
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// WithStub runs the supplied function with Exit stubbed. It returns the stub
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// used, so that users can test whether the process would have crashed.
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func WithStub(f func()) *StubbedExit {
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s := Stub()
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defer s.Unstub()
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f()
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return s
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}
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// Unstub restores the previous exit function.
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func (se *StubbedExit) Unstub() {
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real = se.prev
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}
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func (se *StubbedExit) exit() {
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se.Exited = true
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}
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