test analytics table output

* unified_jobs output should include derived jobs i.e. project update,
inventory update, job
* This PR adds a test to ensure that.

awx/main/tests/functional/analytics/test_collectors.py

@@ -0,0 +1,76 @@
+import pytest
+import tempfile
+import os
+import shutil
+import csv
+
+from django.utils.timezone import now
+from django.db.backends.sqlite3.base import SQLiteCursorWrapper
+
+from awx.main.analytics import collectors
+
+from awx.main.models import (
+    ProjectUpdate,
+    InventorySource,
+)
+
+
+@pytest.fixture
+def sqlite_copy_expert(request):
+    # copy_expert is postgres-specific, and SQLite doesn't support it; mock its
+    # behavior to test that it writes a file that contains stdout from events
+    path = tempfile.mkdtemp(prefix='copied_tables')
+
+    def write_stdout(self, sql, fd):
+        # Would be cool if we instead properly disected the SQL query and verified
+        # it that way. But instead, we just take the nieve approach here.
+        assert sql.startswith('COPY (')
+        assert sql.endswith(') TO STDOUT WITH CSV HEADER')
+
+        sql = sql.replace('COPY (', '')
+        sql = sql.replace(') TO STDOUT WITH CSV HEADER', '')
+
+        # Remove JSON style queries
+        # TODO: could replace JSON style queries with sqlite kind of equivalents
+        sql_new = []
+        for line in sql.split('\n'):
+            if line.find('main_jobevent.event_data::') == -1:
+                sql_new.append(line)
+        sql = '\n'.join(sql_new)
+
+        self.execute(sql)
+        results = self.fetchall()
+        headers = [i[0] for i in self.description]
+
+        csv_handle = csv.writer(fd, delimiter=',', quoting=csv.QUOTE_ALL, escapechar='\\', lineterminator='\n')
+        csv_handle.writerow(headers)
+        csv_handle.writerows(results)
+
+
+    setattr(SQLiteCursorWrapper, 'copy_expert', write_stdout)
+    request.addfinalizer(lambda: shutil.rmtree(path))
+    request.addfinalizer(lambda: delattr(SQLiteCursorWrapper, 'copy_expert'))
+    return path
+
+
+@pytest.mark.django_db
+def test_copy_tables_unified_job_query(sqlite_copy_expert, project, inventory, job_template):
+    '''
+    Ensure that various unified job types are in the output of the query.
+    '''
+
+    time_start = now()
+    inv_src = InventorySource.objects.create(name="inventory_update1", inventory=inventory, source='gce')
+
+    project_update_name = ProjectUpdate.objects.create(project=project, name="project_update1").name
+    inventory_update_name = inv_src.create_unified_job().name
+    job_name = job_template.create_unified_job().name
+
+    with tempfile.TemporaryDirectory() as tmpdir:
+        collectors.copy_tables(time_start, tmpdir)
+        with open(os.path.join(tmpdir, 'unified_jobs_table.csv')) as f:
+            lines = ''.join([l for l in f])
+
+            assert project_update_name in lines
+            assert inventory_update_name in lines
+            assert job_name in lines