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#############################################################################
# Some helpers to make step functions simpler.
import json
import os
import re
import subprocess
import time
import yaml
# Run a subprocess, capture its output and exit code in context.
def _run(ctx, argv):
p = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate("")
ctx["argv"] = argv
ctx["stdout"] = stdout.decode("utf-8")
ctx["stderr"] = stderr.decode("utf-8")
ctx["exit"] = p.returncode
# Return argv prefix to run contractor from source directory. This
# ignores any config from the user running the test program, but gets
# the address of the manager VM from CONTRACTOR_ADDRESS in the
# environment.
def _contractor():
return [os.path.join(srcdir, "contractor")]
# Return manager address.
def _manager_address():
return os.environ["CONTRACTOR_ADDRESS"]
#############################################################################
# The actual step functions.
# Do nothing. Useful to have bindings that are recognized, but don't
# actually do anything.
def nop(ctx, **kwargs):
pass
# Check that we can access the contractor VM.
# FIXME: this hardcodes some things.
def contractor_is_working(ctx):
argv = _contractor() + ["status", "-m", _manager_address()]
_run(ctx, argv)
assert_eq(ctx["exit"], 0)
# Create a file from the files embedded in the input document.
def create_file(ctx, filename=None):
with open(filename, "wb") as f:
f.write(get_file(filename))
# Check that a file exists.
def file_exists(ctx, filename=None):
assert_eq(os.path.exists(filename), True)
# Copy a file from srcdir.
def copy_file_from_srcdir(ctx, filename=None):
shutil.copy(os.path.join(srcdir, "./" + filename), ".")
# Check that the subprocess we last ran ended with the expected exit
# code.
def exit_code_is(ctx, exit_code=None):
assert_eq(ctx["exit"], int(exit_code))
# Run contractor dump
def run_contractor_dump(ctx, filename=None):
argv = _contractor() + ["dump", filename]
_run(ctx, argv)
# Run the contractor to do a build.
def run_contractor_build(ctx, filename=None):
argv = _contractor() + ["build", filename, "-m", _manager_address()]
_run(ctx, argv)
# Parse stdout from latest subprocess as JSON into a dict. Read the
# named YAML file, parse as a dict. Do the two dicts match?
def stdout_json_matches_yaml_file(ctx, filename=None):
dict1 = json.loads(ctx["stdout"])
with open(filename) as f:
dict2 = yaml.safe_load(f)
assert_eq(dict1, dict2)
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