feat: update docs and nox file to compile it

.gitignore

@@ -12,7 +12,8 @@ bin
 MANIFEST
 django_tests
 __pycache__
-
+# The directory into which Django has been cloned to run the test suite.
+django_tests_dir
 # Unit test / coverage reports
 .coverage
 .nox

docs/_static/custom.css

@@ -0,0 +1,9 @@
+div#python2-eol {
+	border-color: red;
+	border-width: medium;
+} 
+
+/* Ensure minimum width for 'Parameters' / 'Returns' column */
+dl.field-list > dt {
+    min-width: 100px
+}

docs/api-reference.rst

@@ -3,4 +3,7 @@ API Reference
 
 The following classes and methods constitute the Django Spanner API.
 
-[this page is under construction]
+.. toctree::
+    :maxdepth: 1
+
+    schema-api

docs/conf.py

@@ -18,8 +18,7 @@
 
 import sys
 import os
-
-from version import __version__
+import shlex
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add this directory to sys.path here. If the directory is relative to the
@@ -30,10 +29,12 @@
 # See also: https://github.com/docascode/sphinx-docfx-yaml/issues/85
 sys.path.insert(0, os.path.abspath("."))
 
+__version__ = ""
+
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-needs_sphinx = "1.6.3"
+needs_sphinx = "1.5.5"
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
@@ -43,6 +44,7 @@
     "sphinx.ext.autosummary",
     "sphinx.ext.intersphinx",
     "sphinx.ext.coverage",
+    "sphinx.ext.doctest",
     "sphinx.ext.napoleon",
     "sphinx.ext.todo",
     "sphinx.ext.viewcode",
@@ -171,7 +173,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-# html_static_path = ["_static"]
+html_static_path = ["_static"]
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
@@ -255,28 +257,28 @@
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-    # # The paper size ('letterpaper' or 'a4paper').
+    # The paper size ('letterpaper' or 'a4paper').
     # 'papersize': 'letterpaper',
-    # # The font size ('10pt', '11pt' or '12pt').
+    # The font size ('10pt', '11pt' or '12pt').
     # 'pointsize': '10pt',
-    # # Additional stuff for the LaTeX preamble.
+    # Additional stuff for the LaTeX preamble.
     # 'preamble': '',
-    # # Latex figure (float) alignment
+    # Latex figure (float) alignment
     # 'figure_align': 'htbp',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source_start_file, target_name, title, author,
 # documentclass ["howto", "manual", or "own class"]). E.g.,
-# latex_documents = [
-#     (
-#         master_doc,
-#         "django-google-spanner.tex",
-#         u"Spanner Django Documentation",
-#         author,
-#         "manual",
-#     )
-# ]
+latex_documents = [
+    (
+        master_doc,
+        "django-google-spanner.tex",
+        u"Spanner Django Documentation",
+        author,
+        "manual",
+    )
+]
 
 # The name of an image file (relative to this directory)
 # to place at the top of the title page.
@@ -349,13 +351,13 @@
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    "python": ("http://python.readthedocs.org/en/latest/", None),
-    "google-auth": ("https://google-auth.readthedocs.io/en/stable", None),
+    "python": ("https://python.readthedocs.org/en/latest/", None),
+    "google-auth": ("https://googleapis.dev/python/google-auth/latest/", None),
     "google.api_core": (
         "https://googleapis.dev/python/google-api-core/latest/",
         None,
     ),
-    "grpc": ("https://grpc.io/grpc/python/", None),
+    "grpc": ("https://grpc.github.io/grpc/python/", None),
 }
 
 

docs/index.rst

@@ -1,5 +1,13 @@
 .. include:: README.rst
 
+Usage Documentation
+-------------------
+.. toctree::
+  :maxdepth: 1
+  :titlesonly:
+
+  schema-usage
+
 API Documentation
 -----------------
 .. toctree::

docs/schema-api.rst

@@ -0,0 +1,8 @@
+Schema API
+=====================
+
+.. automodule:: django_spanner.schema
+  :members:
+  :inherited-members:
+
+

docs/schema-usage.rst

@@ -0,0 +1,4 @@
+Schema
+####################################
+
+[this page is under construction]

noxfile.py

@@ -85,17 +85,37 @@ def default(session):
     )
 
 
+@nox.session(python=UNIT_TEST_PYTHON_VERSIONS)
+def unit(session):
+    """Run the unit test suite."""
+    default(session)
+
+
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def cover(session):
+    """Run the final coverage report.
+
+    This outputs the coverage report aggregating coverage from the unit
+    test runs (not system test runs), and then erases coverage data.
+    """
+    session.install("coverage", "pytest-cov")
+    session.run("coverage", "report", "--show-missing", "--fail-under=20")
+
+    session.run("coverage", "erase")
+
+
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def docs(session):
     """Build the docs for this library."""
 
     session.install("-e", ".[tracing]")
-    session.install("sphinx", "alabaster", "recommonmark")
+    session.install("sphinx", "alabaster", "recommonmark", "django==2.2")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
+    # Warnings as errors is disabled for `sphinx-build` because django module
+    # has warnings.
     session.run(
         "sphinx-build",
-        "-W",  # warnings as errors
         "-T",  # show full traceback on exception
         "-N",  # no colors
         "-b",

tests/unit/django_spanner/test_base.py

@@ -6,15 +6,18 @@
 
 import sys
 import unittest
+import os
 
 from mock_import import mock_import
 from unittest import mock
 
 
 @mock_import()
-@unittest.skipIf(sys.version_info < (3, 6), reason="Skipping Python 3.5")
+@unittest.skipIf(
+    sys.version_info < (3, 6), reason="Skipping Python versions <= 3.5"
+)
 class TestBase(unittest.TestCase):
-    PROJECT = "project"
+    PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
     INSTANCE_ID = "instance_id"
     DATABASE_ID = "database_id"
     USER_AGENT = "django_spanner/2.2.0a1"
@@ -64,10 +67,10 @@ def test_get_connection_params(self):
     def test_get_new_connection(self):
         db_wrapper = self._make_one(self.settings_dict)
         db_wrapper.Database = mock_database = mock.MagicMock()
-        mock_database.connect = mock_connect = mock.MagicMock()
+        mock_database.connect = mock_connection = mock.MagicMock()
         conn_params = {"test_param": "dummy"}
         db_wrapper.get_new_connection(conn_params)
-        mock_connect.assert_called_once_with(**conn_params)
+        mock_connection.assert_called_once_with(**conn_params)
 
     def test_init_connection_state(self):
         db_wrapper = self._make_one(self.settings_dict)
@@ -106,3 +109,10 @@ def test_is_usable(self):
 
         mock_connection.cursor = mock.MagicMock(side_effect=Error)
         self.assertFalse(db_wrapper.is_usable())
+
+    def test__start_transaction_under_autocommit(self):
+        db_wrapper = self._make_one(self.settings_dict)
+        db_wrapper.connection = mock_connection = mock.MagicMock()
+        mock_connection.cursor = mock_cursor = mock.MagicMock()
+        db_wrapper._start_transaction_under_autocommit()
+        mock_cursor.assert_called_once_with()

tests/unit/django_spanner/test_client.py

@@ -0,0 +1,44 @@
+# Copyright 2020 Google LLC
+#
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file or at
+# https://developers.google.com/open-source/licenses/bsd
+
+import sys
+import unittest
+import os
+
+
+@unittest.skipIf(
+    sys.version_info < (3, 6), reason="Skipping Python versions <= 3.5"
+)
+class TestClient(unittest.TestCase):
+    PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
+    INSTANCE_ID = "instance_id"
+    DATABASE_ID = "database_id"
+    USER_AGENT = "django_spanner/2.2.0a1"
+    OPTIONS = {"option": "dummy"}
+
+    settings_dict = {
+        "PROJECT": PROJECT,
+        "INSTANCE": INSTANCE_ID,
+        "NAME": DATABASE_ID,
+        "user_agent": USER_AGENT,
+        "OPTIONS": OPTIONS,
+    }
+
+    def _get_target_class(self):
+        from django_spanner.client import DatabaseClient
+
+        return DatabaseClient
+
+    def _make_one(self, *args, **kwargs):
+        return self._get_target_class()(*args, **kwargs)
+
+    def test_runshell(self):
+        from google.cloud.spanner_dbapi.exceptions import NotSupportedError
+
+        db_wrapper = self._make_one(self.settings_dict)
+
+        with self.assertRaises(NotSupportedError):
+            db_wrapper.runshell(parameters=self.settings_dict)