#334 Add performance test

requirements.txt

@@ -5,3 +5,4 @@ wheel
 setuptools>=17.1
 pexpect
 pypandoc
+pytest-benchmark

tests/functional/test_performance.py

@@ -0,0 +1,56 @@
+from pexpect import TIMEOUT
+import pytest
+import time
+from tests.functional.utils import spawn, functional, bare
+
+dockerfile = u'''
+FROM ubuntu:latest
+RUN apt-get update
+RUN apt-get install -yy python3 python3-pip python3-dev git
+RUN pip3 install -U setuptools
+RUN ln -s /usr/bin/pip3 /usr/bin/pip
+RUN adduser --disabled-password --gecos '' test
+ENV SEED "{seed}"
+COPY thefuck /src
+WORKDIR /src
+RUN pip install .
+USER test
+RUN echo 'eval $(thefuck --alias)' > /home/test/.bashrc
+RUN echo > /home/test/.bash_history
+RUN git config --global user.email "you@example.com"
+RUN git config --global user.name "Your Name"
+'''.format(seed=time.time())
+
+
+@pytest.fixture
+def proc(request):
+    return spawn(request, 'ubuntu-python3-bash-performance',
+                 dockerfile, u'bash', install=False, copy_src=True)
+
+
+def plot(proc):
+    proc.sendline(u'cd /home/test/')
+    proc.sendline(u'fuck')
+    assert proc.expect([TIMEOUT, u'No fucks given'])
+    proc.sendline(u'git init')
+    proc.sendline(u'git add .')
+    proc.sendline(u'git commit -a -m init')
+    proc.sendline(u'git brnch')
+    proc.sendline(u'fuck')
+    assert proc.expect([TIMEOUT, u'git branch'])
+    proc.send('\n')
+    assert proc.expect([TIMEOUT, u'master'])
+    proc.sendline(u'echo test')
+    proc.sendline(u'echo tst')
+    proc.sendline(u'fuck')
+    assert proc.expect([TIMEOUT, u'echo test'])
+    proc.send('\n')
+    assert proc.expect([TIMEOUT, u'test'])
+
+
+@functional
+@pytest.mark.skipif(
+    bool(bare), reason='Would lie on a bare run')
+@pytest.mark.benchmark(min_rounds=10)
+def test_performance(proc, benchmark):
+    assert benchmark(plot, proc) is None

tests/functional/utils.py

@@ -8,28 +8,31 @@ import sys
 import pexpect
 from tests.utils import root
 
+
 bare = os.environ.get('BARE')
 enabled = os.environ.get('FUNCTIONAL')
 
 
-def build_container(tag, dockerfile):
+def build_container(tag, dockerfile, copy_src=False):
     tmpdir = mkdtemp()
     try:
-        with Path(tmpdir).joinpath('Dockerfile').open('w') as file:
+        if copy_src:
+            subprocess.call(['cp', '-a', str(root), tmpdir])
+        dockerfile_path = Path(tmpdir).joinpath('Dockerfile')
+        with dockerfile_path.open('w') as file:
             file.write(dockerfile)
-        if subprocess.call(['docker', 'build', '--tag={}'.format(tag), tmpdir],
-                           cwd=str(root)) != 0:
+        if subprocess.call(['docker', 'build', '--tag={}'.format(tag), tmpdir]) != 0:
             raise Exception("Can't build a container")
     finally:
         shutil.rmtree(tmpdir)
 
 
-def spawn(request, tag, dockerfile, cmd, install=True):
+def spawn(request, tag, dockerfile, cmd, install=True, copy_src=False):
     if bare:
         proc = pexpect.spawnu(cmd)
     else:
         tag = 'thefuck/{}'.format(tag)
-        build_container(tag, dockerfile)
+        build_container(tag, dockerfile, copy_src)
         proc = pexpect.spawnu('docker run --volume {}:/src --tty=true '
                               '--interactive=true {} {}'.format(root, tag, cmd))
         if install:
@@ -39,7 +42,7 @@ def spawn(request, tag, dockerfile, cmd, install=True):
 
     proc.logfile = sys.stdout
 
-    request.addfinalizer(proc.terminate)
+    request.addfinalizer(lambda: proc.terminate(True))
     return proc