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# Some step implementations for running commands and capturing the result.
import logging
import os
import subprocess
# Run a command, capture its stdout, stderr, and exit code in context.
def runcmd(ctx, argv, **kwargs):
logging.debug(f"Running program")
logging.debug(f" cwd={os.getcwd()}")
logging.debug(f" argv={argv}")
logging.debug(f" kwargs={argv}")
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):
logging.debug(f"Verifying exit code is {wanted} (it is {ctx.get('exit')})")
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):
logging.debug(f"Verifying exit code is NOT {unwanted} (it is {ctx.get('exit')})")
assert_ne(ctx.get("exit"), wanted)
# 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):
logging.debug(f"Verifying stdout contains {pattern}")
logging.debug(f" stdout is {ctx.get('stdout', '')})")
stdout = ctx.get("stdout", "")
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):
logging.debug(f"Verifying stdout does NOT contain {pattern}")
logging.debug(f" stdout is {ctx.get('stdout', '')})")
stdout = ctx.get("stdout", "")
assert_eq(pattern not in stdout, True)
# Check that stderr of latest runcmd does contains a specific string.
def stderr_contains(ctx, pattern=None):
logging.debug(f"Verifying stderr contains {pattern}")
logging.debug(f" stderr is {ctx.get('stderr', '')})")
stderr = ctx.get("stderr", "")
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):
logging.debug(f"Verifying stderr does NOT contain {pattern}")
logging.debug(f" stderr is {ctx.get('stderr', '')})")
stderr = ctx.get("stderr", "")
assert_eq(pattern not in stderr, True)
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