如何解决Rspec 断言没有意义:使用 <message> 双重收到意外消息
这是一个最低限度可重现的示例,您只需复制它并使用最新版本的 gem install rspec
运行它。
#class Bar
# def run_bar(a:,b:)
# return
# end
#end
def foo(bar)
if bar != nil
bar.run_bar(a: "test",b: {})
end
end
describe 'foo' do
it 'runs bar' do
bar_stub = double('bar')
foo(bar_stub)
expect(bar_stub).to receive(:run_bar).with(a: "test",b: {})
end
end
我认为这个测试是有道理的,但是当我运行它时,它失败了,说它收到了一个意外的消息,实际上是从实际调用中复制粘贴的。
% rspec test.rb
F
Failures:
1) foo runs bar
Failure/Error: bar.run_bar(a: "test",b: {})
#<Double "bar"> received unexpected message :run_bar with ({:a=>"test",:b=>{}})
# ./test.rb:9:in `foo'
# ./test.rb:16:in `block (2 levels) in <top (required)>'
Finished in 0.00812 seconds (files took 0.09453 seconds to load)
1 example,1 failure
Failed examples:
rspec ./test.rb:14 # foo runs bar
如果重要,这里是版本。
% rspec --version
RSpec 3.10
解决方法
哦,我想我刚刚意识到 [√] Flutter (Channel stable,1.22.6,on Microsoft Windows [Version 10.0.19042.1052],locale en-GB)
• Flutter version 1.22.6 at C:\flutter
• Framework revision 9b2d32b605 (5 months ago),2021-01-22 14:36:39 -0800
• Engine revision 2f0af37152
• Dart version 2.10.5
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
• Android SDK at C:\Users\risha\AppData\Local\Android\sdk
• Platform android-30,build-tools 30.0.2
• ANDROID_HOME = C:\Users\risha\AppData\Local\Android
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
• All Android licenses accepted.
[√] Android Studio (version 4.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin installed
• Dart plugin version 193.7547
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
[√] VS Code (version 1.57.1)
• VS Code at C:\Users\risha\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.23.0
[√] Connected device (1 available)
• sdk gphone x86 (mobile) • emulator-5554 • android-x86 • Android 11 (API 30) (emulator)
• No issues found!
必须在代码实际运行之前出现。
expect
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