diff --git a/src/core/components/operation-tag.jsx b/src/core/components/operation-tag.jsx
index b656714a..7eb89de7 100644
--- a/src/core/components/operation-tag.jsx
+++ b/src/core/components/operation-tag.jsx
@@ -60,7 +60,9 @@ export default class OperationTag extends React.Component {
let tagExternalDocsUrl
if (isFunc(oas3Selectors) && isFunc(oas3Selectors.selectedServer)) {
tagExternalDocsUrl = buildUrl( rawTagExternalDocsUrl, specUrl, { selectedServer: oas3Selectors.selectedServer() } )
- }
+ } else {
+ tagExternalDocsUrl = rawTagExternalDocsUrl
+ }
let isShownKey = ["operations-tag", tag]
let showTag = layoutSelectors.isShown(isShownKey, docExpansion === "full" || docExpansion === "list")
diff --git a/test/unit/components/operation-tag.jsx b/test/unit/components/operation-tag.jsx
new file mode 100644
index 00000000..773549e6
--- /dev/null
+++ b/test/unit/components/operation-tag.jsx
@@ -0,0 +1,52 @@
+import React from "react"
+import { shallow } from "enzyme"
+import OperationTag from "components/operation-tag"
+import Im from "immutable"
+import { Link } from "components/layout-utils"
+
+describe("", function(){
+ it("render externalDocs URL for swagger v2", function(){
+
+ const dummyComponent = () => null
+ const components = {
+ Collapse: () => dummyComponent,
+ Markdown: () => dummyComponent,
+ DeepLink: () => dummyComponent,
+ Link
+ }
+
+ let props = {
+ tagObj: Im.fromJS({
+ tagDetails: {
+ externalDocs: {
+ description: "Find out more",
+ url: "http://swagger.io"
+ }
+ }
+ }),
+ tag: "testtag",
+ getConfigs: () => ({}),
+ getComponent: c => components[c],
+ layoutSelectors: {
+ currentFilter() {
+ return null
+ },
+ isShown() {
+ return true
+ },
+ show() {
+ return true
+ }
+ }
+ }
+
+ let wrapper = shallow()
+
+ const opblockTag = wrapper.find(".opblock-tag")
+ expect(opblockTag.length).toEqual(1)
+
+ const renderedLink = wrapper.find("Link")
+ expect(renderedLink.length).toEqual(1)
+ expect(renderedLink.props().href).toEqual("http://swagger.io")
+ })
+})