enhance checky by requesting endpoint propert to be set when apiType is Azure

Signed-off-by: fabistb <fabian0401@online.de>

conversation/openai/openai.go

@@ -82,6 +82,11 @@ func (o *OpenAI) Init(ctx context.Context, meta conversation.Metadata) error {
 		return errors.New("apiVersion must be provided when apiType is set to 'azure'")
 	}
 
+	// Return error when api Type is azure but the endpoint is not provided
+	if md.ApiType == "azure" && md.Endpoint == "" {
+		return errors.New("endpoint must be provided when apiType is set to 'azure'")
+	}
+
 	// Set api version if provided
 	if md.ApiVersion != "" {
 		options = append(options, openai.WithAPIVersion(md.ApiVersion))

conversation/openai/openai_test.go

@@ -94,6 +94,19 @@ func TestInit(t *testing.T) {
 				assert.EqualError(t, err, "apiVersion must be provided when apiType is set to 'azure'")
 			},
 		},
+		{
+			name: "with apiType azure but missing endpoint",
+			metadata: map[string]string{
+				"key":        "test-key",
+				"model":      "gpt-4",
+				"apiType":    "azure",
+				"apiVersion": "2025-01-01-preview",
+			},
+			testFn: func(t *testing.T, o *OpenAI, err error) {
+				require.Error(t, err)
+				assert.EqualError(t, err, "endpoint must be provided when apiType is set to 'azure'")
+			},
+		},
 	}
 
 	for _, tc := range testCases {