diff options
Diffstat (limited to 'runcmd.py')
-rw-r--r-- | runcmd.py | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/runcmd.py b/runcmd.py new file mode 100644 index 0000000..7193c15 --- /dev/null +++ b/runcmd.py @@ -0,0 +1,77 @@ +# Some step implementations for running commands and capturing the result. + +import subprocess + + +# Run a command, capture its stdout, stderr, and exit code in context. +def runcmd(ctx, argv, **kwargs): + p = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs) + stdout, stderr = p.communicate("") + ctx["argv"] = argv + ctx["stdout"] = stdout.decode("utf-8") + ctx["stderr"] = stderr.decode("utf-8") + ctx["exit"] = p.returncode + + +# Check that latest exit code captured by runcmd was a specific one. +def exit_code_is(ctx, wanted): + if ctx.get("exit") != wanted: + print("context:", ctx.as_dict()) + assert_eq(ctx.get("exit"), wanted) + + +# Check that latest exit code captured by runcmd was not a specific one. +def exit_code_is_not(ctx, unwanted): + if ctx.get("exit") == unwanted: + print("context:", ctx.as_dict()) + assert_ne(ctx.get("exit"), unwanted) + + +# Check that latest exit code captured by runcmd was zero. +def exit_code_zero(ctx): + exit_code_is(ctx, 0) + + +# Check that latest exit code captured by runcmd was not zero. +def exit_code_nonzero(ctx): + exit_code_is_not(ctx, 0) + + +# Check that stdout of latest runcmd contains a specific string. +def stdout_contains(ctx, pattern=None): + stdout = ctx.get("stdout", "") + if pattern not in stdout: + print("pattern:", repr(pattern)) + print("stdout:", repr(stdout)) + print("ctx:", ctx.as_dict()) + assert_eq(pattern in stdout, True) + + +# Check that stdout of latest runcmd does not contain a specific string. +def stdout_does_not_contain(ctx, pattern=None): + stdout = ctx.get("stdout", "") + if pattern in stdout: + print("pattern:", repr(pattern)) + print("stdout:", repr(stdout)) + print("ctx:", ctx.as_dict()) + assert_eq(pattern not in stdout, True) + + +# Check that stderr of latest runcmd does contains a specific string. +def stderr_contains(ctx, pattern=None): + stderr = ctx.get("stderr", "") + if pattern not in stderr: + print("pattern:", repr(pattern)) + print("stderr:", repr(stderr)) + print("ctx:", ctx.as_dict()) + assert_eq(pattern in stderr, True) + + +# Check that stderr of latest runcmd does not contain a specific string. +def stderr_does_not_contain(ctx, pattern=None): + stderr = ctx.get("stderr", "") + if pattern not in stderr: + print("pattern:", repr(pattern)) + print("stderr:", repr(stderr)) + print("ctx:", ctx.as_dict()) + assert_eq(pattern not in stderr, True) |