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# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) 2015 Yann Lanthony
# Copyright (c) 2017-2018 Spyder Project Contributors
#
# Licensed under the terms of the MIT License
# (See LICENSE.txt for details)
# -----------------------------------------------------------------------------
"""Test qtsass cli."""
from __future__ import absolute_import
# Standard library imports
from collections import namedtuple
from os.path import basename, exists
from subprocess import PIPE, Popen
import time
# Local imports
from . import PROJECT_DIR, await_condition, example, touch
SLEEP_INTERVAL = 1
Result = namedtuple('Result', "code stdout stderr")
def indent(text, prefix=' '):
"""Like textwrap.indent"""
return ''.join([prefix + line for line in text.splitlines(True)])
def invoke(args):
"""Invoke qtsass cli with specified args"""
kwargs = dict(
stdout=PIPE,
stderr=PIPE,
cwd=PROJECT_DIR
)
proc = Popen(['python3', '-m', 'qtsass'] + args, **kwargs)
return proc
def invoke_with_result(args):
"""Invoke qtsass cli and return a Result obj"""
proc = invoke(args)
out, err = proc.communicate()
out = out.decode('ascii', errors="ignore")
err = err.decode('ascii', errors="ignore")
return Result(proc.returncode, out, err)
def kill(proc, timeout=1):
"""Kill a subprocess and return a Result obj"""
proc.kill()
out, err = proc.communicate()
out = out.decode('ascii', errors="ignore")
err = err.decode('ascii', errors="ignore")
return Result(proc.returncode, out, err)
def format_result(result):
"""Format a subprocess Result obj"""
out = [
'Subprocess Report...',
'Exit code: %s' % result.code,
]
if result.stdout:
out.append('stdout:')
out.append(indent(result.stdout, ' '))
if result.stderr:
out.append('stderr:')
out.append(indent(result.stderr, ' '))
return '\n'.join(out)
def test_compile_dummy_to_stdout():
"""CLI compile dummy example to stdout."""
args = [example('dummy.scss')]
result = invoke_with_result(args)
assert result.code == 0
assert result.stdout
def test_compile_dummy_to_file(tmpdir):
"""CLI compile dummy example to file."""
input = example('dummy.scss')
output = tmpdir.join('dummy.css')
args = [input, '-o', output.strpath]
result = invoke_with_result(args)
assert result.code == 0
assert exists(output.strpath)
def test_watch_dummy(tmpdir):
"""CLI watch dummy example."""
input = example('dummy.scss')
output = tmpdir.join('dummy.css')
args = [input, '-o', output.strpath, '-w']
proc = invoke(args)
# Wait for initial compile
output_exists = lambda: exists(output.strpath)
if not await_condition(output_exists):
result = kill(proc)
report = format_result(result)
err = "Failed to compile dummy.scss\n"
err += report
assert False, report
# Ensure subprocess is still alive
assert proc.poll() is None
# Touch input file, triggering a recompile
created = output.mtime()
file_modified = lambda: output.mtime() > created
time.sleep(SLEEP_INTERVAL)
touch(input)
if not await_condition(file_modified):
result = kill(proc)
report = format_result(result)
err = 'Modifying %s did not trigger recompile.\n' % basename(input)
err += report
assert False, err
kill(proc)
def test_compile_complex(tmpdir):
"""CLI compile complex example."""
input = example('complex')
output = tmpdir.mkdir('output')
args = [input, '-o', output.strpath]
result = invoke_with_result(args)
assert result.code == 0
expected_files = [output.join('light.css'), output.join('dark.css')]
for file in expected_files:
assert exists(file.strpath)
def test_watch_complex(tmpdir):
"""CLI watch complex example."""
input = example('complex')
output = tmpdir.mkdir('output')
args = [input, '-o', output.strpath, '-w']
proc = invoke(args)
expected_files = [output.join('light.css'), output.join('dark.css')]
# Wait for initial compile
files_created = lambda: all([exists(f.strpath) for f in expected_files])
if not await_condition(files_created):
result = kill(proc)
report = format_result(result)
err = 'All expected files have not been created...'
err += report
assert False, err
# Ensure subprocess is still alive
assert proc.poll() is None
# Input files to touch
input_full = example('complex', 'light.scss')
input_partial = example('complex', '_base.scss')
input_nested = example('complex', 'widgets', '_qwidget.scss')
def touch_and_wait(input_file, timeout=2000):
"""Touch a file, triggering a recompile"""
filename = basename(input_file)
old_mtimes = [f.mtime() for f in expected_files]
files_modified = lambda: all(
[f.mtime() > old_mtimes[i] for i, f in enumerate(expected_files)]
)
time.sleep(SLEEP_INTERVAL)
touch(input_file)
if not await_condition(files_modified, timeout):
result = kill(proc)
report = format_result(result)
err = 'Modifying %s did not trigger recompile.\n' % filename
err += report
for i, f in enumerate(expected_files):
err += str(f) + '\n'
err += str(old_mtimes[i]) + '\n'
err += str(f.mtime()) + '\n'
err += str(bool(f.mtime() > old_mtimes[i])) + '\n'
assert False, err
return True
assert touch_and_wait(input_full)
assert touch_and_wait(input_partial)
assert touch_and_wait(input_nested)
kill(proc)
def test_invalid_input():
"""CLI input is not a file or dir."""
proc = invoke_with_result(['file_does_not_exist.scss'])
assert proc.code == 1
assert 'Error: input must be' in proc.stdout
proc = invoke_with_result(['./dir/does/not/exist'])
assert proc.code == 1
assert 'Error: input must be' in proc.stdout
def test_dir_missing_output():
"""CLI dir missing output option"""
proc = invoke_with_result([example('complex')])
assert proc.code == 1
assert 'Error: missing required option' in proc.stdout
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