Add a test point for the command module. This allows tests to emulate the execution of commands. This provides more control (since we can make the fake 'commands' do whatever we like), makes it faster to write tests since we don't need to set up as much environment, and speeds up test execution.
Signed-off-by: Simon Glass sjg@chromium.org ---
tools/patman/command.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/tools/patman/command.py b/tools/patman/command.py index 7212fdf..d586f11 100644 --- a/tools/patman/command.py +++ b/tools/patman/command.py @@ -20,9 +20,25 @@ class CommandResult: def __init__(self): self.stdout = None self.stderr = None + self.combined = None self.return_code = None self.exception = None
+ def __init__(self, stdout='', stderr='', combined='', return_code=0, + exception=None): + self.stdout = stdout + self.stderr = stderr + self.combined = combined + self.return_code = return_code + self.exception = exception + + +# This permits interception of RunPipe for test purposes. If it is set to +# a function, then that function is called with the pipe list being +# executed. Otherwise, it is assumed to be a CommandResult object, and is +# returned as the result for every RunPipe() call. +# When this value is None, commands are executed as normal. +test_result = None
def RunPipe(pipe_list, infile=None, outfile=None, capture=False, capture_stderr=False, oneline=False, @@ -44,6 +60,10 @@ def RunPipe(pipe_list, infile=None, outfile=None, Returns: CommandResult object """ + if test_result: + if hasattr(test_result, '__call__'): + return test_result(pipe_list=pipe_list) + return test_result result = CommandResult() last_pipe = None pipeline = list(pipe_list)