Add unit tests for check_swapped_emails

tests/test_tasks/test_task_utilities/test_util/test_check_swapped_emails.py

@@ -0,0 +1,39 @@
+import pytest
+from augur.tasks.git.util.facade_worker.facade_worker.analyzecommit import check_swapped_emails
+
+def test_correct_input_unchanged():
+    name, email = check_swapped_emails("John Smith", "john@gmail.com")
+    assert name == "John Smith"
+    assert email == "john@gmail.com"
+
+def test_swapped_input_is_corrected():
+    name, email = check_swapped_emails("john@gmail.com", "John Smith")
+    assert name == "John Smith"
+    assert email == "john@gmail.com"
+
+def test_name_field_contains_mixed_name_and_email():
+    # name field has both a name and email mixed together
+    name, email = check_swapped_emails("John Smith john@gmail.com", "")
+    assert name == "John Smith john@gmail.com"
+    assert email == ""
+
+def test_email_field_contains_mixed_name_and_email():
+    # email field has both a name and email mixed together
+    name, email = check_swapped_emails("John Smith", "John Smith john@gmail.com")
+    assert name == "John Smith"
+    assert email == "John Smith john@gmail.com"
+
+def test_both_fields_contain_mixed_name_and_email():
+    name, email = check_swapped_emails("John Smith john@gmail.com", "Jane Doe jane@gmail.com")
+    assert name == "John Smith john@gmail.com"
+    assert email == "Jane Doe jane@gmail.com"
+
+def test_when_both_empty_strings():
+    name, email = check_swapped_emails("", "")
+    assert name == ""
+    assert email == ""
+
+def test_email_with_multiple_at_signs():
+    name, email = check_swapped_emails("John Smith", "john@@gmail.com")
+    assert name == "John Smith"
+    assert email == "john@@gmail.com"