refactor(zipkin-exporter): simplify success status check and add test for 204 response

Author: slyapustin

exporter/opentelemetry-exporter-zipkin-json/src/opentelemetry/exporter/zipkin/json/__init__.py

@@ -91,7 +91,6 @@
 from opentelemetry.trace import Span
 
 DEFAULT_ENDPOINT = "http://localhost:9411/api/v2/spans"
-REQUESTS_SUCCESS_STATUS_CODES = (200, 202)
 
 logger = logging.getLogger(__name__)
 
@@ -171,7 +170,7 @@ def export(self, spans: Sequence[Span]) -> SpanExportResult:
             timeout=self.timeout,
         )
 
-        if result.status_code not in REQUESTS_SUCCESS_STATUS_CODES:
+        if not result.ok:
             logger.error(
                 "Traces cannot be uploaded; status code: %s, message %s",
                 result.status_code,

exporter/opentelemetry-exporter-zipkin-json/tests/test_zipkin_exporter.py

@@ -144,6 +144,14 @@ def test_export_success(self, mock_post):
         status = exporter.export(spans)
         self.assertEqual(SpanExportResult.SUCCESS, status)
 
+    @patch("requests.Session.post")
+    def test_export_success_no_content(self, mock_post):
+        mock_post.return_value = MockResponse(204)
+        spans = []
+        exporter = ZipkinExporter()
+        status = exporter.export(spans)
+        self.assertEqual(SpanExportResult.SUCCESS, status)
+
     @patch("requests.Session.post")
     def test_export_invalid_response(self, mock_post):
         mock_post.return_value = MockResponse(404)

exporter/opentelemetry-exporter-zipkin-proto-http/src/opentelemetry/exporter/zipkin/proto/http/__init__.py

@@ -88,7 +88,6 @@
 from opentelemetry.trace import Span
 
 DEFAULT_ENDPOINT = "http://localhost:9411/api/v2/spans"
-REQUESTS_SUCCESS_STATUS_CODES = (200, 202)
 
 logger = logging.getLogger(__name__)
 
@@ -163,7 +162,7 @@ def export(self, spans: Sequence[Span]) -> SpanExportResult:
             timeout=self.timeout,
         )
 
-        if result.status_code not in REQUESTS_SUCCESS_STATUS_CODES:
+        if not result.ok:
             logger.error(
                 "Traces cannot be uploaded; status code: %s, message %s",
                 result.status_code,

exporter/opentelemetry-exporter-zipkin-proto-http/tests/test_zipkin_exporter.py

@@ -144,6 +144,14 @@ def test_export_success(self, mock_post):
         status = exporter.export(spans)
         self.assertEqual(SpanExportResult.SUCCESS, status)
 
+    @patch("requests.Session.post")
+    def test_export_success_no_content(self, mock_post):
+        mock_post.return_value = MockResponse(204)
+        spans = []
+        exporter = ZipkinExporter()
+        status = exporter.export(spans)
+        self.assertEqual(SpanExportResult.SUCCESS, status)
+
     @patch("requests.Session.post")
     def test_export_invalid_response(self, mock_post):
         mock_post.return_value = MockResponse(404)