Example #1
0
    def test_run_once(self):
        overdrive, isbn, axis_360 = self.prep_feed_identifiers()

        # Give one of the identifiers a full work.
        self._work(presentation_edition=overdrive.primarily_identifies[0])
        # And another identifier a work without entries.
        w = self._work(presentation_edition=isbn.primarily_identifies[0])
        w.simple_opds_entry = w.verbose_opds_entry = None

        # Queue some response feeds.
        feed1 = sample_data('metadata_data_needed_response.opds', 'opds')
        feed2 = sample_data('metadata_data_needed_empty_response.opds', 'opds')
        for feed in [feed1, feed2]:
            self.lookup.queue_response(
                200, {'content-type': OPDSFeed.ACQUISITION_FEED_TYPE}, feed)

        self.monitor.run_once(None, None)

        # Only the identifier with a work has been given coverage.
        record = CoverageRecord.lookup(
            overdrive,
            self.monitor.provider.data_source,
            operation=self.monitor.provider.operation)
        assert record

        for identifier in [axis_360, isbn]:
            record = CoverageRecord.lookup(
                identifier,
                self.monitor.provider.data_source,
                operation=self.monitor.provider.operation)
            eq_(None, record)
Example #2
0
 def add_coverage_record_for(self, item):
     """Record this CoverageProvider's coverage for the given
     Edition/Identifier in the known Collection
     """
     return CoverageRecord.add_for(item,
                                   data_source=self.data_source,
                                   operation=self.operation,
                                   collection=self.collection)
Example #3
0
    def register_identifier_as_unresolved(self, urn, identifier):
        # This identifier could have a presentation-ready Work
        # associated with it, but it doesn't. We need to make sure the
        # work gets done eventually by creating a CoverageRecord
        # representing the work that needs to be done.
        source = DataSource.lookup(self._db, DataSource.INTERNAL_PROCESSING)

        record = CoverageRecord.lookup(identifier, source, self.OPERATION)
        is_new = False
        if not record:
            # There is no existing CoverageRecord for this Identifier.
            # Create one, but put it in a state of transient failure
            # to represent the fact that work needs to be done.
            record, is_new = CoverageRecord.add_for(
                identifier,
                source,
                self.OPERATION,
                status=CoverageRecord.TRANSIENT_FAILURE)
            record.exception = self.NO_WORK_DONE_EXCEPTION

        if is_new:
            # The CoverageRecord was just created. Tell the client to
            # come back later.
            return self.add_message(urn, HTTP_CREATED,
                                    self.IDENTIFIER_REGISTERED)
        else:
            # There is a pending attempt to resolve this identifier.
            # Tell the client we're working on it, or if the
            # pending attempt resulted in an exception,
            # tell the client about the exception.
            message = record.exception
            if not message or message == self.NO_WORK_DONE_EXCEPTION:
                message = self.WORKING_TO_RESOLVE_IDENTIFIER
            status = HTTP_ACCEPTED
            if record.status == record.PERSISTENT_FAILURE:
                # Apparently we just can't provide coverage of this
                # identifier.
                status = HTTP_INTERNAL_SERVER_ERROR
            elif record.status == record.SUCCESS:
                # This shouldn't happen, since success in providing
                # this sort of coverage means creating a presentation
                # ready work. Something weird is going on.
                status = HTTP_INTERNAL_SERVER_ERROR
                message = self.SUCCESS_DID_NOT_RESULT_IN_PRESENTATION_READY_WORK
            return self.add_message(urn, status, message)
Example #4
0
    def test_process_urn_isbn(self):
        # Create a new ISBN identifier.
        # Ask online providers for metadata to turn into an opds feed about this identifier.
        # Make sure a coverage record was created, and a 201 status obtained from provider.
        # Ask online provider again, and make sure we're now getting a 202 "working on it" status.
        # Ask again, this time getting a result.  Make sure know that got a result.

        isbn, ignore = Identifier.for_foreign_id(
            self._db, Identifier.ISBN, self._isbn
        )

        # The first time we look up an ISBN a CoverageRecord is created
        # representing the work to be done.
        self.controller.process_urn(isbn.urn)
        self.assert_one_message(
            isbn.urn, HTTP_CREATED, self.controller.IDENTIFIER_REGISTERED
        )
        [record] = isbn.coverage_records
        eq_(record.exception, self.controller.NO_WORK_DONE_EXCEPTION)
        eq_(record.status, CoverageRecord.TRANSIENT_FAILURE)

        # So long as the necessary coverage is not provided,
        # future lookups will not provide useful information
        self.controller.precomposed_entries = []
        self.controller.process_urn(isbn.urn)
        self.assert_one_message(
            isbn.urn, HTTP_ACCEPTED, self.controller.WORKING_TO_RESOLVE_IDENTIFIER
        )

        # Let's provide the coverage.
        metadata_sources = DataSource.metadata_sources_for(
            self._db, isbn
        )
        for source in metadata_sources:
            CoverageRecord.add_for(isbn, source)

        # Process the ISBN again, and we get an <entry> tag with the
        # information.
        self.controller.precomposed_entries = []
        self.controller.process_urn(isbn.urn)
        expect = isbn.opds_entry()
        [actual] = self.controller.precomposed_entries
        eq_(etree.tostring(expect), etree.tostring(actual))
Example #5
0
    def register_identifier_as_unresolved(self, urn, identifier):
        # This identifier could have a presentation-ready Work
        # associated with it, but it doesn't. We need to make sure the
        # work gets done eventually by creating a CoverageRecord
        # representing the work that needs to be done.
        source = DataSource.lookup(self._db, DataSource.INTERNAL_PROCESSING)
        
        record = CoverageRecord.lookup(identifier, source, self.OPERATION)
        is_new = False
        if not record:
            # There is no existing CoverageRecord for this Identifier.
            # Create one, but put it in a state of transient failure
            # to represent the fact that work needs to be done.
            record, is_new = CoverageRecord.add_for(
                identifier, source, self.OPERATION,
                status=CoverageRecord.TRANSIENT_FAILURE
            )
            record.exception = self.NO_WORK_DONE_EXCEPTION

        if is_new:
            # The CoverageRecord was just created. Tell the client to
            # come back later.
            return self.add_message(urn, HTTP_CREATED, self.IDENTIFIER_REGISTERED)
        else:
            # There is a pending attempt to resolve this identifier.
            # Tell the client we're working on it, or if the
            # pending attempt resulted in an exception,
            # tell the client about the exception.
            message = record.exception
            if not message or message == self.NO_WORK_DONE_EXCEPTION:
                message = self.WORKING_TO_RESOLVE_IDENTIFIER
            status = HTTP_ACCEPTED
            if record.status == record.PERSISTENT_FAILURE:
                # Apparently we just can't provide coverage of this
                # identifier.
                status = HTTP_INTERNAL_SERVER_ERROR
            elif record.status == record.SUCCESS:
                # This shouldn't happen, since success in providing
                # this sort of coverage means creating a presentation
                # ready work. Something weird is going on.
                status = HTTP_INTERNAL_SERVER_ERROR
                message = self.SUCCESS_DID_NOT_RESULT_IN_PRESENTATION_READY_WORK
            return self.add_message(urn, status, message)
Example #6
0
 def test_process_urn_exception_during_resolve_attempt(self):
     identifier = self._identifier(Identifier.GUTENBERG_ID)
     record, is_new = CoverageRecord.add_for(
         identifier, self.source, self.controller.OPERATION,
         status=CoverageRecord.PERSISTENT_FAILURE
     )
     record.exception = "foo"
     self.controller.process_urn(identifier.urn)
     self.assert_one_message(
         identifier.urn, HTTP_INTERNAL_SERVER_ERROR, "foo"
     )
 def test_process_urn_exception_during_resolve_attempt(self):
     identifier = self._identifier(Identifier.GUTENBERG_ID)
     record, is_new = CoverageRecord.add_for(
         identifier,
         self.source,
         self.controller.OPERATION,
         status=CoverageRecord.PERSISTENT_FAILURE)
     record.exception = "foo"
     self.controller.process_urn(identifier.urn)
     self.assert_one_message(identifier.urn, HTTP_INTERNAL_SERVER_ERROR,
                             "foo")
    def test_run_once(self):
        overdrive, isbn, axis_360 = self.prep_feed_identifiers()

        # Give one of the identifiers a full work.
        self._work(presentation_edition=overdrive.primarily_identifies[0])
        # And another identifier a work without entries.
        w = self._work(presentation_edition=isbn.primarily_identifies[0])
        w.simple_opds_entry = w.verbose_opds_entry = None

        # Queue some response feeds.
        feed1 = sample_data("metadata_data_needed_response.opds", "opds")
        feed2 = sample_data("metadata_data_needed_empty_response.opds", "opds")
        for feed in [feed1, feed2]:
            self.lookup.queue_response(
                200, {"content-type": OPDSFeed.ACQUISITION_FEED_TYPE}, feed)

        progress = self.monitor.run_once(self.ts)

        # Only the identifier with a work has been given coverage.
        assert "Identifiers processed: 1" == progress.achievements

        # The TimestampData returned by run_once() does not include
        # any timing information -- that will be applied by run().
        assert None == progress.start
        assert None == progress.finish

        record = CoverageRecord.lookup(
            overdrive,
            self.monitor.provider.data_source,
            operation=self.monitor.provider.operation,
        )
        assert record

        for identifier in [axis_360, isbn]:
            record = CoverageRecord.lookup(
                identifier,
                self.monitor.provider.data_source,
                operation=self.monitor.provider.operation,
            )
            assert None == record
    def test_process_urn_no_presentation_ready_work(self):
        identifier = self._identifier(Identifier.GUTENBERG_ID)

        # There's a record of success, but no presentation-ready work.
        record, is_new = CoverageRecord.add_for(identifier,
                                                self.source,
                                                self.controller.OPERATION,
                                                status=CoverageRecord.SUCCESS)

        self.controller.process_urn(identifier.urn)
        self.assert_one_message(
            identifier.urn, HTTP_INTERNAL_SERVER_ERROR,
            self.controller.SUCCESS_DID_NOT_RESULT_IN_PRESENTATION_READY_WORK)
    def test_run_once(self):
        overdrive, isbn, axis_360 = self.prep_feed_identifiers()

        # Give one of the identifiers a full work.
        self._work(presentation_edition=overdrive.primarily_identifies[0])
        # And another identifier a work without entries.
        w = self._work(presentation_edition=isbn.primarily_identifies[0])
        w.simple_opds_entry = w.verbose_opds_entry = None

        # Queue some response feeds.
        feed1 = sample_data('metadata_data_needed_response.opds', 'opds')
        feed2 = sample_data('metadata_data_needed_empty_response.opds', 'opds')
        for feed in [feed1, feed2]:
            self.lookup.queue_response(
                200, {'content-type' : OPDSFeed.ACQUISITION_FEED_TYPE}, feed
            )

        progress = self.monitor.run_once(self.ts)

        # Only the identifier with a work has been given coverage.
        eq_("Identifiers processed: 1", progress.achievements)

        # The TimestampData returned by run_once() does not include
        # any timing information -- that will be applied by run().
        eq_(None, progress.start)
        eq_(None, progress.finish)

        record = CoverageRecord.lookup(
            overdrive, self.monitor.provider.data_source,
            operation=self.monitor.provider.operation
        )
        assert record

        for identifier in [axis_360, isbn]:
            record = CoverageRecord.lookup(
                identifier, self.monitor.provider.data_source,
                operation=self.monitor.provider.operation
            )
            eq_(None, record)
    def test_process_urn_isbn(self):
        # Create a new ISBN identifier.
        # Ask online providers for metadata to turn into an opds feed about this identifier.
        # Make sure a coverage record was created, and a 201 status obtained from provider.
        # Ask online provider again, and make sure we're now getting a 202 "working on it" status.
        # Ask again, this time getting a result.  Make sure know that got a result.

        isbn, ignore = Identifier.for_foreign_id(self._db, Identifier.ISBN,
                                                 self._isbn)

        # The first time we look up an ISBN a CoverageRecord is created
        # representing the work to be done.
        self.controller.process_urn(isbn.urn)
        self.assert_one_message(isbn.urn, HTTP_CREATED,
                                self.controller.IDENTIFIER_REGISTERED)
        [record] = isbn.coverage_records
        eq_(record.exception, self.controller.NO_WORK_DONE_EXCEPTION)
        eq_(record.status, CoverageRecord.TRANSIENT_FAILURE)

        # So long as the necessary coverage is not provided,
        # future lookups will not provide useful information
        self.controller.precomposed_entries = []
        self.controller.process_urn(isbn.urn)
        self.assert_one_message(isbn.urn, HTTP_ACCEPTED,
                                self.controller.WORKING_TO_RESOLVE_IDENTIFIER)

        # Let's provide the coverage.
        metadata_sources = DataSource.metadata_sources_for(self._db, isbn)
        for source in metadata_sources:
            CoverageRecord.add_for(isbn, source)

        # Process the ISBN again, and we get an <entry> tag with the
        # information.
        self.controller.precomposed_entries = []
        self.controller.process_urn(isbn.urn)
        expect = isbn.opds_entry()
        [actual] = self.controller.precomposed_entries
        eq_(etree.tostring(expect), etree.tostring(actual))
Example #12
0
    def test_process_urn_no_presentation_ready_work(self):
        identifier = self._identifier(Identifier.GUTENBERG_ID)

        # There's a record of success, but no presentation-ready work.
        record, is_new = CoverageRecord.add_for(
            identifier, self.source, self.controller.OPERATION,
            status=CoverageRecord.SUCCESS
        )

        self.controller.process_urn(identifier.urn)
        self.assert_one_message(
            identifier.urn, HTTP_INTERNAL_SERVER_ERROR,
            self.controller.SUCCESS_DID_NOT_RESULT_IN_PRESENTATION_READY_WORK
        )
Example #13
0
    def test_process_urn_pending_resolve_attempt(self):
        # Simulate calling process_urn twice, and make sure the 
        # second call results in an "I'm working on it, hold your horses" message.
        identifier = self._identifier(Identifier.GUTENBERG_ID)

        record, is_new = CoverageRecord.add_for(
            identifier, self.source, self.controller.OPERATION,
            status=CoverageRecord.TRANSIENT_FAILURE
        )
        record.exception = self.controller.NO_WORK_DONE_EXCEPTION

        self.controller.process_urn(identifier.urn)
        self.assert_one_message(
            identifier.urn, HTTP_ACCEPTED,
            URNLookupController.WORKING_TO_RESOLVE_IDENTIFIER
        )
    def test_process_urn_pending_resolve_attempt(self):
        # Simulate calling process_urn twice, and make sure the
        # second call results in an "I'm working on it, hold your horses" message.
        identifier = self._identifier(Identifier.GUTENBERG_ID)

        record, is_new = CoverageRecord.add_for(
            identifier,
            self.source,
            self.controller.OPERATION,
            status=CoverageRecord.TRANSIENT_FAILURE)
        record.exception = self.controller.NO_WORK_DONE_EXCEPTION

        self.controller.process_urn(identifier.urn)
        self.assert_one_message(
            identifier.urn, HTTP_ACCEPTED,
            URNLookupController.WORKING_TO_RESOLVE_IDENTIFIER)
Example #15
0
    def test_refresh_metadata(self):
        wrangler = DataSource.lookup(self._db, DataSource.METADATA_WRANGLER)
        success_provider = AlwaysSuccessfulCoverageProvider(
            "Always successful", [Identifier.GUTENBERG_ID], wrangler
        )
        failure_provider = NeverSuccessfulCoverageProvider(
            "Never successful", [Identifier.GUTENBERG_ID], wrangler
        )

        with self.app.test_request_context('/'):
            [lp] = self.english_1.license_pools
            response = self.manager.admin_work_controller.refresh_metadata(
                lp.data_source.name, lp.identifier.type, lp.identifier.identifier, provider=success_provider
            )
            eq_(200, response.status_code)
            # Also, the work has a coverage record now for the wrangler.
            assert CoverageRecord.lookup(lp.identifier, wrangler)

            response = self.manager.admin_work_controller.refresh_metadata(
                lp.data_source.name, lp.identifier.type, lp.identifier.identifier, provider=failure_provider
            )
            eq_(METADATA_REFRESH_FAILURE.status_code, response.status_code)
            eq_(METADATA_REFRESH_FAILURE.detail, response.detail)