add test for nil name as well

Signed-off-by: Alex Boten <[email protected]>

config/testdata/invalid_nil_name.json

@@ -0,0 +1,49 @@
+{
+    "file_format": "0.3",
+    "disabled": false,
+    "logger_provider": {
+        "processors": [
+            {
+                "batch": {
+                    "schedule_delay": 5000,
+                    "export_timeout": 30000,
+                    "max_queue_size": 2048,
+                    "max_export_batch_size": 512,
+                    "exporter": {
+                        "otlp": {
+                            "protocol": "http/protobuf",
+                            "endpoint": "http://localhost:4318/v1/logs",
+                            "certificate": "/app/cert.pem",
+                            "client_key": "/app/cert.pem",
+                            "client_certificate": "/app/cert.pem",
+                            "headers": [
+                                {
+                                    "name": "api-key",
+                                    "value": "1234"
+                                },
+                                {
+                                    "value": "nil-name"
+                                }
+                            ],
+                            "headers_list": "api-key=1234",
+                            "compression": "gzip",
+                            "timeout": 10000,
+                            "insecure": false
+                        }
+                    }
+                }
+            },
+            {
+                "simple": {
+                    "exporter": {
+                        "console": {}
+                    }
+                }
+            }
+        ],
+        "limits": {
+            "attribute_value_length_limit": 4096,
+            "attribute_count_limit": 128
+        }
+    }
+}

config/testdata/invalid_nil_name.yaml

@@ -0,0 +1,13 @@
+file_format: "0.3"
+disabled: false
+logger_provider:
+  processors:
+    - batch:
+        exporter:
+          otlp:
+            protocol: http/protobuf
+            endpoint: http://localhost:4318/v1/logs
+            headers:
+              - name: api-key
+                value: "1234"
+              - value: nil-name

config/v0.3.0/config_test.go

@@ -405,6 +405,11 @@ func TestParseYAML(t *testing.T) {
 			wantErr: errors.New(`yaml: unmarshal errors:
   line 2: cannot unmarshal !!str ` + "`notabool`" + ` into bool`),
 		},
+		{
+			name:    "invalid nil name",
+			input:   "invalid_nil_name.yaml",
+			wantErr: errors.New(`yaml: cannot unmarshal field name in NameStringValuePair required`),
+		},
 		{
 			name:    "invalid nil value",
 			input:   "invalid_nil_value.yaml",
@@ -465,6 +470,11 @@ func TestSerializeJSON(t *testing.T) {
 			input:   "invalid_bool.json",
 			wantErr: errors.New(`json: cannot unmarshal string into Go struct field Plain.disabled of type bool`),
 		},
+		{
+			name:    "invalid nil name",
+			input:   "invalid_nil_name.json",
+			wantErr: errors.New(`json: cannot unmarshal field name in NameStringValuePair required`),
+		},
 		{
 			name:    "invalid nil value",
 			input:   "invalid_nil_value.json",