tests: Add test for sync using options from txt file

Make sure that sync command passes the options specified in the txt file
to the issued "pip install" command.

tests/test_cli.py

@@ -227,6 +227,39 @@ def test_sync_quiet(tmpdir):
  assert '-q' in call[0][0]
 
 
+@pytest.mark.parametrize('option_name', [
+ 'find-links', 'f', 'no-index', 'index-url', 'i', 'extra-index-url'])
+def test_sync_uses_opts_from_txt_file(option_name):
+ """sync command uses pip options from the txt file."""
+ (opt_in_txt_file, pip_opt) = {
+ 'find-links': ('--find-links ./pkg-dir', '-f ./pkg-dir'),
+ 'f': ('-f ./pkg-dir', '-f ./pkg-dir'),
+ 'no-index': ('--no-index', '--no-index'),
+ 'index-url': ('--index-url http://index-url', '-i http://index-url'),
+ 'i': ('-i http://index.localhost', '-i http://index.localhost'),
+ 'extra-index-url': (
+ '--extra-index-url http://extra-index.localhost',
+ '--extra-index-url http://extra-index.localhost'),
+ }[option_name]
+ runner = CliRunner()
+ with runner.isolated_filesystem():
+ with open('requirements.txt', 'w') as req_txt:
+ req_txt.write('{}\n'.format(opt_in_txt_file))
+ req_txt.write('foobar==0.42\n')
+
+ with mock.patch('piptools.sync.check_call') as check_call:
+ run_result = runner.invoke(sync_cli, ['-q'])
+ assert run_result.output == ''
+ assert run_result.exit_code == 0
+ number_of_install_calls = 0
+ for (call_args, _call_kwargs) in check_call.call_args_list:
+ cmd = ' '.join(call_args[0])
+ if cmd.startswith('pip install'):
+ assert pip_opt in cmd
+ number_of_install_calls += 1
+ assert number_of_install_calls == 1
+
+
 def test_editable_package(tmpdir):
  """ piptools can compile an editable """
  fake_package_dir = os.path.join(os.path.split(__file__)[0], 'fixtures', 'small_fake_package')