Add ability to configure explain command options #49
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test/test_collection.py
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| res = self.explain.watch(pipeline=[{"$project": {"tags": 1}}], | ||
| batch_size=10, full_document="updateLookup") | ||
| self.assertIn("queryPlanner", res["stages"][0]["$cursor"]) | ||
| self.assertTrue(self._recursiveIn("queryPlanner", res)) |
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I actually prefer the previous behavior here because res["stages"][0]["$cursor"] helps us understand the structure of the explain response. _recursiveIn makes the command response more of a black box. Can you revert these changes?
| self.assertTrue(self._recursiveIn("executionStats", res)) | ||
| self.assertTrue(self._recursiveIn("allPlansExecution", res)) | ||
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| def test_comment(self): |
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Instead of checking the explain result, this test should probably assert that we sent the comment field with the explain comment using a CommandListener.
| command_son = command.get_SON() | ||
| explain_command = SON([("explain", command_son)]) | ||
| explain_command["verbosity"] = "queryPlanner" | ||
| explain_command["verbosity"] = self.verbosity or "queryPlanner" |
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I suggest setting the default verbosity in __init__.
| self.last_cmd_payload = command_son | ||
| return self.collection.database.command(explain_command) | ||
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| def update_settings(self, verbosity=None, comment=None): |
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In PyMongo the Collection object is immutable (the internal settings are configured once at creation and never changed). ExplainableCollection should probably be immutable too to match pymongo.
test/test_collection.py
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| last_cmd_payload = self.explain.last_cmd_payload | ||
| self._compare_command_dicts(last_cmd_payload, last_logger_payload) | ||
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| @unittest.skip("Travis does not have replica sets set up yet") |
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This is no longer true.
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| explain = ExplainableCollection(collection, verbosity="queryPlanner", | ||
| comment="I'm a comment") | ||
| For more information see the documentation for the explain_ command. |
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I believe there needs to be a blank line after the code block.
test/test_collection.py
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| self.assertIn("queryPlanner", res["stages"][0]["$cursor"]) | ||
| self.collection.watch(pipeline=[{"$project": {"tags": 1}}], | ||
| batch_size=10, full_document="updateLookup") | ||
| batch_size=10, full_document="updateLookup") |
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This change seems off batch_size should align with pipeline.
test/test_collection.py
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| last_logger_payload = self.logger.cmd_payload | ||
| res = self.explain.watch(pipeline=[{"$project": {"tags": 1}}], | ||
| batch_size=10, full_document="updateLookup") | ||
| batch_size=10, full_document="updateLookup") |
test/test_collection.py
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| self.assertNotIn("comment", self.logger.cmd_payload) | ||
| self.explain = ExplainCollection(self.collection, comment="hey, " | ||
| "I'm a " | ||
| "comment") |
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Please fix the string format here. 3 short strings on new lines makes this harder to read. How about:
self.explain = ExplainCollection(self.collection, comment="comment")
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