Add tests for the bug

pypa · Jan 23, 2019 · e55fcea · e55fcea
1 parent 085e740
commit e55fcea
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diff --git a/tests/functional/test_install_wheel.py b/tests/functional/test_install_wheel.py
@@ -420,3 +420,11 @@ def test_wheel_compile_syntax_error(script, data):
  result = script.pip('install', '--compile', package, '--no-index')
  assert 'yield from' not in result.stdout
  assert 'SyntaxError: ' not in result.stdout
+
+
+def test_wheel_install_with_no_cache_dir(script, tmpdir, data):
+ """Check wheel installations work, even with no cache.
+ """
+ package = data.packages.join("simple.dist-0.1-py2.py3-none-any.whl")
+ result = script.pip('install', '--no-cache-dir', '--no-index', package)
+ result.assert_installed('simpledist', editable=False)
diff --git a/tests/functional/test_pep517.py b/tests/functional/test_pep517.py
@@ -109,3 +109,17 @@ def test_pep517_backend_requirements_already_satisfied(script, tmpdir, data):
  project_dir,
  )
  assert 'Installing backend dependencies:' not in result.stdout
+
+
+def test_pep517_install_with_no_cache_dir(script, tmpdir, data):
+ """Check builds with a custom backends work, even with no cache.
+ """
+ project_dir = make_project(
+ tmpdir, requires=['test_backend'],
+ backend="test_backend"
+ )
+ result = script.pip(
+ 'install', '--no-cache-dir', '--no-index', '-f', data.backends,
+ project_dir,
+ )
+ result.assert_installed('project', editable=False)