Enable --no-input option by adding docs and tests

news/7688.doc

@@ -0,0 +1 @@
+Add ``--no-input`` option to pip docs

src/pip/_internal/cli/cmdoptions.py

@@ -243,7 +243,7 @@ class PipOption(Option):
     dest='no_input',
     action='store_true',
     default=False,
-    help=SUPPRESS_HELP
+    help="Disable prompting for input."
 )  # type: Callable[..., Option]
 
 proxy = partial(

tests/functional/test_install_config.py

@@ -1,10 +1,17 @@
 import os
+import ssl
 import tempfile
 import textwrap
 
 import pytest
 
-from tests.lib.server import file_response, package_page
+from tests.lib.server import (
+    authorization_response,
+    file_response,
+    make_mock_server,
+    package_page,
+    server_running,
+)
 
 
 def test_options_from_env_vars(script):
@@ -209,3 +216,61 @@ def test_install_no_binary_via_config_disables_cached_wheels(
     assert "Building wheel for upper" not in str(res), str(res)
     # Must have used source, not a cached wheel to install upper.
     assert "Running setup.py install for upper" in str(res), str(res)
+
+
+def test_prompt_for_authentication(script, data, cert_factory):
+    """Test behaviour while installing from a index url
+    requiring authentication
+    """
+    cert_path = cert_factory()
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.load_cert_chain(cert_path, cert_path)
+    ctx.load_verify_locations(cafile=cert_path)
+    ctx.verify_mode = ssl.CERT_REQUIRED
+
+    server = make_mock_server(ssl_context=ctx)
+    server.mock.side_effect = [
+        package_page({
+            "simple-3.0.tar.gz": "/files/simple-3.0.tar.gz",
+        }),
+        authorization_response(str(data.packages / "simple-3.0.tar.gz")),
+    ]
+
+    url = "https://{}:{}/simple".format(server.host, server.port)
+
+    with server_running(server):
+        result = script.pip('install', "--index-url", url,
+                            "--cert", cert_path, "--client-cert", cert_path,
+                            'simple', expect_error=True)
+
+    assert 'User for {}:{}'.format(server.host, server.port) in \
+           result.stdout, str(result)
+
+
+def test_do_not_prompt_for_authentication(script, data, cert_factory):
+    """Test behaviour if --no-input option is given while installing
+    from a index url requiring authentication
+    """
+    cert_path = cert_factory()
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.load_cert_chain(cert_path, cert_path)
+    ctx.load_verify_locations(cafile=cert_path)
+    ctx.verify_mode = ssl.CERT_REQUIRED
+
+    server = make_mock_server(ssl_context=ctx)
+
+    server.mock.side_effect = [
+        package_page({
+            "simple-3.0.tar.gz": "/files/simple-3.0.tar.gz",
+        }),
+        authorization_response(str(data.packages / "simple-3.0.tar.gz")),
+    ]
+
+    url = "https://{}:{}/simple".format(server.host, server.port)
+
+    with server_running(server):
+        result = script.pip('install', "--index-url", url,
+                            "--cert", cert_path, "--client-cert", cert_path,
+                            '--no-input', 'simple', expect_error=True)
+
+    assert "ERROR: HTTP error 401" in result.stderr

tests/lib/server.py

@@ -210,3 +210,19 @@ def responder(environ, start_response):
             return [f.read()]
 
     return responder
+
+
+def authorization_response(path):
+    def responder(environ, start_response):
+        # type: (Environ, StartResponse) -> Body
+
+        start_response(
+            "401 Unauthorized", [
+                ("WWW-Authenticate", "Basic"),
+            ],
+        )
+
+        with open(path, 'rb') as f:
+            return [f.read()]
+
+    return responder