Merge branch 'next' into timestamp

2026-08-01 13:00:55 +08:00 · 2018-07-13 17:11:05 +00:00
parent 487a108624 cac0afa61e
commit 6ce5d8492f
8 changed files with 121 additions and 51 deletions
@@ -0,0 +1,5 @@
+import Enzyme from "enzyme";
+import Adapter from "enzyme-adapter-react-16";
+
+// React 16 Enzyme adapter
+Enzyme.configure({ adapter: new Adapter() });
@@ -0,0 +1,27 @@
+import { JSDOM } from "jsdom";
+
+declare var global: any;
+
+const jsdom = new JSDOM("<!doctype html><html><body></body></html>");
+const { window } = jsdom;
+
+function copyProps(src: any, target: any) {
+  const props = Object.getOwnPropertyNames(src)
+    .filter(prop => typeof target[prop] === "undefined")
+    .reduce(
+      (result, prop) => ({
+        ...result,
+        [prop]: Object.getOwnPropertyDescriptor(src, prop),
+      }),
+      {}
+    );
+  Object.defineProperties(target, props);
+}
+
+global.window = window;
+global.document = (window as any).document;
+global.navigator = {
+  userAgent: "node.js",
+};
+
+copyProps(window, global);
@@ -0,0 +1,24 @@
+import "./enzyme";
+import "./jsdom";
+
+// TODO: Remove when fixed.
+// Mock React.createContext because of https://github.com/airbnb/enzyme/issues/1509.
+function mockReact() {
+  const originalReact = require.requireActual("react");
+  return {
+    ...originalReact,
+    createContext: jest.fn(defaultValue => {
+      let value = defaultValue;
+      const Provider = (props: any) => {
+        value = props.value;
+        return props.children;
+      };
+      const Consumer = (props: any) => props.children(value);
+      return {
+        Provider,
+        Consumer,
+      };
+    }),
+  };
+}
+jest.mock("react", () => mockReact());
@@ -0,0 +1,59 @@
+import { getPageInfo } from "./connection";
+
+it("handles when there is none requested", () => {
+  const pageInfo = getPageInfo({ first: 0 }, []);
+
+  expect(pageInfo).toEqual({
+    hasNextPage: false,
+    hasPreviousPage: false,
+    startCursor: null,
+    endCursor: null,
+  });
+});
+
+it("handles when there is no edges", () => {
+  const pageInfo = getPageInfo({ first: 10 }, []);
+
+  expect(pageInfo).toEqual({
+    hasNextPage: false,
+    hasPreviousPage: false,
+    startCursor: null,
+    endCursor: null,
+  });
+});
+
+it("handles when there is more edges than requested", () => {
+  const pageInfo = getPageInfo({ first: 1 }, [
+    {
+      node: null,
+      cursor: 1,
+    },
+    {
+      node: null,
+      cursor: 2,
+    },
+  ]);
+
+  expect(pageInfo).toEqual({
+    hasNextPage: true,
+    hasPreviousPage: false,
+    startCursor: null,
+    endCursor: 1,
+  });
+});
+
+it("handles when there is exactly as many edges as requested", () => {
+  const pageInfo = getPageInfo({ first: 1 }, [
+    {
+      node: null,
+      cursor: 1,
+    },
+  ]);
+
+  expect(pageInfo).toEqual({
+    hasNextPage: false,
+    hasPreviousPage: false,
+    startCursor: null,
+    endCursor: 1,
+  });
+});