fix(FFI): Guard against header names being passed in different case #305

.gitignore

@@ -43,3 +43,5 @@ php/vendor/
 php/composer.lock
 
 pkg/
+python/venv/
+python/pacts

python/pact_xml.py

@@ -0,0 +1,104 @@
+import requests
+import xml.etree.ElementTree as ET
+from cffi import FFI
+from register_ffi import get_ffi_lib
+import json
+import requests
+ffi = FFI()
+
+lib = get_ffi_lib(ffi) # loads the entire C namespace
+lib.pactffi_logger_init()
+lib.pactffi_logger_attach_sink(b'stdout', 5)
+lib.pactffi_logger_apply()
+version_encoded = lib.pactffi_version()
+lib.pactffi_log_message(b'pact_python_ffi', b'INFO', b'hello from pact python ffi, using Pact FFI Version: '+ ffi.string(version_encoded))
+
+expected_response_body = '''<?xml version="1.0" encoding="UTF-8"?>
+    <projects>
+    <item>
+    <id>1</id>
+    <tasks>
+        <item>
+            <id>1</id>
+            <name>Do the laundry</name>
+            <done>true</done>
+        </item>
+        <item>
+            <id>2</id>
+            <name>Do the dishes</name>
+            <done>false</done>
+        </item>
+        <item>
+            <id>3</id>
+            <name>Do the backyard</name>
+            <done>false</done>
+        </item>
+        <item>
+            <id>4</id>
+            <name>Do nothing</name>
+            <done>false</done>
+        </item>
+    </tasks>
+    </item>
+    </projects>'''
+format = 'xml'
+content_type =  'application/' + format
+pact_handle = lib.pactffi_new_pact(b'consumer',b'provider')
+lib.pactffi_with_pact_metadata(pact_handle, b'pact-python', b'version', b'1.0.0')
+interaction_handle = lib.pactffi_new_interaction(pact_handle, b'description')
+lib.pactffi_given(interaction_handle, b'i have a list of projects')
+lib.pactffi_upon_receiving(interaction_handle, b'a request for projects in XML')
+lib.pactffi_with_request(interaction_handle, b'GET', b'/projects')
+lib.pactffi_with_header_v2(interaction_handle, 0, b'Accept', 0, content_type.encode('ascii'))
+
+# lib.pactffi_with_header_v2(interaction_handle, 1, b'Content-Type', 0, content_type.encode('ascii'))
+# lib.pactffi_with_header_v2(interaction_handle, 1, b'content-type', 1, content_type.encode('ascii'))
+lib.pactffi_with_body(interaction_handle, 1, content_type.encode('ascii'), expected_response_body.encode('ascii'))
+
+mock_server_port = lib.pactffi_create_mock_server_for_transport(pact_handle, b'127.0.0.1', 0, b'http', b'{}')
+print(f"Mock server started: {mock_server_port}")
+try:
+    uri = f"http://127.0.0.1:{mock_server_port}/projects"
+    response = requests.get(uri,
+                            headers={'Accept': content_type})
+    response.raise_for_status()
+except requests.HTTPError as http_err:
+    print(f'Client request - HTTP error occurred: {http_err}')  # Python 3.6
+except Exception as err:
+    print(f'Client request - Other error occurred: {err}')  # Python 3.6
+
+# Check the client made the right request
+
+result = lib.pactffi_mock_server_matched(mock_server_port)
+print(f"Pact - Got matching client requests: {result}")
+if result == True:
+    PACT_FILE_DIR='./pacts'
+    print(f"Writing pact file to {PACT_FILE_DIR}")
+    res_write_pact = lib.pactffi_write_pact_file(mock_server_port, PACT_FILE_DIR.encode('ascii'), False)
+    print(f"Pact file writing results: {res_write_pact}")
+else:
+    print('pactffi_mock_server_matched did not match')
+    mismatches = lib.pactffi_mock_server_mismatches(mock_server_port)
+    result = json.loads(ffi.string(mismatches))
+    print(json.dumps(result, indent=4))
+    native_logs = lib.pactffi_mock_server_logs(mock_server_port)
+    logs = ffi.string(native_logs).decode("utf-8").rstrip().split("\n")
+    print(logs)
+
+## Cleanup
+
+lib.pactffi_cleanup_mock_server(mock_server_port)
+assert result == True
+print(f"Client request - matched: {response.text}")
+# Check our response came back from the provider ok
+
+assert response.text != '' # This should always have a response
+projects = ET.fromstring(response.text)
+assert len(projects) == 1
+assert projects[0][0].text == '1'
+tasks = projects[0].findall('tasks')[0]
+assert len(tasks) == 4
+assert tasks[0][0].text == '1'
+# assert tasks[0][1].text == 'Do the laundry'
+print(f"Client response - matched: {response.text}")
+print(f"Client response - matched: {response.text == expected_response_body}")