Add test to link creation

src/components/views/rooms/wysiwyg_composer/components/LinkModal.tsx

@@ -44,7 +44,7 @@ interface LinkModalProps {
     onClose: () => void;
 }
 
-function LinkModal({ composer, isTextEnabled, onClose }: LinkModalProps) {
+export function LinkModal({ composer, isTextEnabled, onClose }: LinkModalProps) {
     const composerContext = useComposerContext();
 
     const [fields, setFields] = useState({ text: "", link: "" });

test/components/views/rooms/wysiwyg_composer/components/FormattingButtons-test.tsx

@@ -20,6 +20,7 @@ import userEvent from "@testing-library/user-event";
 import { AllActionStates, FormattingFunctions } from "@matrix-org/matrix-wysiwyg";
 
 import { FormattingButtons } from "../../../../../../src/components/views/rooms/wysiwyg_composer/components/FormattingButtons";
+import * as LinkModal from "../../../../../../src/components/views/rooms/wysiwyg_composer/components/LinkModal";
 
 describe("FormattingButtons", () => {
     const wysiwyg = {
@@ -28,6 +29,7 @@ describe("FormattingButtons", () => {
         underline: jest.fn(),
         strikeThrough: jest.fn(),
         inlineCode: jest.fn(),
+        link: jest.fn(),
     } as unknown as FormattingFunctions;
 
     const actionStates = {
@@ -36,6 +38,7 @@ describe("FormattingButtons", () => {
         underline: "enabled",
         strikeThrough: "enabled",
         inlineCode: "enabled",
+        link: "enabled",
     } as AllActionStates;
 
     afterEach(() => {
@@ -52,23 +55,27 @@ describe("FormattingButtons", () => {
         expect(screen.getByLabelText("Underline")).not.toHaveClass("mx_FormattingButtons_active");
         expect(screen.getByLabelText("Strikethrough")).not.toHaveClass("mx_FormattingButtons_active");
         expect(screen.getByLabelText("Code")).not.toHaveClass("mx_FormattingButtons_active");
+        expect(screen.getByLabelText("Link")).not.toHaveClass("mx_FormattingButtons_active");
     });
 
     it("Should call wysiwyg function on button click", () => {
         // When
+        const spy = jest.spyOn(LinkModal, "openLinkModal");
         render(<FormattingButtons composer={wysiwyg} actionStates={actionStates} />);
         screen.getByLabelText("Bold").click();
         screen.getByLabelText("Italic").click();
         screen.getByLabelText("Underline").click();
         screen.getByLabelText("Strikethrough").click();
         screen.getByLabelText("Code").click();
+        screen.getByLabelText("Link").click();
 
         // Then
         expect(wysiwyg.bold).toHaveBeenCalledTimes(1);
         expect(wysiwyg.italic).toHaveBeenCalledTimes(1);
         expect(wysiwyg.underline).toHaveBeenCalledTimes(1);
         expect(wysiwyg.strikeThrough).toHaveBeenCalledTimes(1);
         expect(wysiwyg.inlineCode).toHaveBeenCalledTimes(1);
+        expect(spy).toHaveBeenCalledTimes(1);
     });
 
     it("Should display the tooltip on mouse over", async () => {

test/components/views/rooms/wysiwyg_composer/components/LinkModal-test.tsx

@@ -0,0 +1,124 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { FormattingFunctions } from "@matrix-org/matrix-wysiwyg";
+import { render, screen, waitFor } from "@testing-library/react";
+import React from "react";
+import userEvent from "@testing-library/user-event";
+
+import { ComposerContext } from "../../../../../../src/components/views/rooms/wysiwyg_composer/ComposerContext";
+import { LinkModal } from "../../../../../../src/components/views/rooms/wysiwyg_composer/components/LinkModal";
+import { mockPlatformPeg } from "../../../../../test-utils";
+import * as selection from "../../../../../../src/components/views/rooms/wysiwyg_composer/utils/selection";
+
+describe("LinkModal", () => {
+    const composer = {
+        link: jest.fn(),
+    } as unknown as FormattingFunctions;
+    const defaultValue = { focusNode: null, anchorNode: null, focusOffset: 3, anchorOffset: 4 };
+
+    const customRender = (isTextEnabled: boolean, onClose: () => void) => {
+        return render(
+            <ComposerContext.Provider value={{ selection: defaultValue }}>
+                <LinkModal composer={composer} isTextEnabled={isTextEnabled} onClose={onClose} />
+            </ComposerContext.Provider>,
+        );
+    };
+
+    mockPlatformPeg({ overrideBrowserShortcuts: jest.fn().mockReturnValue(false) });
+    const selectionSpy = jest.spyOn(selection, "setSelection");
+
+    afterEach(() => {
+        jest.clearAllMocks();
+        jest.useRealTimers();
+    });
+
+    it("Should create a link", async () => {
+        // When
+        const onClose = jest.fn();
+        customRender(false, onClose);
+
+        // Then
+        expect(screen.getByLabelText("Link")).toBeTruthy();
+        expect(screen.getByText("Save")).toBeDisabled();
+
+        // When
+        await userEvent.type(screen.getByLabelText("Link"), "l");
+
+        // Then
+        await waitFor(() => {
+            expect(screen.getByText("Save")).toBeEnabled();
+            expect(screen.getByLabelText("Link")).toHaveAttribute("value", "l");
+        });
+
+        // When
+        jest.useFakeTimers();
+        screen.getByText("Save").click();
+
+        // Then
+        expect(selectionSpy).toHaveBeenCalledWith(defaultValue);
+        expect(onClose).toBeCalledTimes(1);
+
+        // When
+        jest.runAllTimers();
+
+        // Then
+        expect(composer.link).toHaveBeenCalledWith("l", undefined);
+    });
+
+    it("Should create a link with text", async () => {
+        // When
+        const onClose = jest.fn();
+        customRender(true, onClose);
+
+        // Then
+        expect(screen.getByLabelText("Text")).toBeTruthy();
+        expect(screen.getByLabelText("Link")).toBeTruthy();
+        expect(screen.getByText("Save")).toBeDisabled();
+
+        // When
+        await userEvent.type(screen.getByLabelText("Text"), "t");
+
+        // Then
+        await waitFor(() => {
+            expect(screen.getByText("Save")).toBeDisabled();
+            expect(screen.getByLabelText("Text")).toHaveAttribute("value", "t");
+        });
+
+        // When
+        await userEvent.type(screen.getByLabelText("Link"), "l");
+
+        // Then
+        await waitFor(() => {
+            expect(screen.getByText("Save")).toBeEnabled();
+            expect(screen.getByLabelText("Link")).toHaveAttribute("value", "l");
+        });
+
+        // When
+        jest.useFakeTimers();
+        screen.getByText("Save").click();
+
+        // Then
+        expect(selectionSpy).toHaveBeenCalledWith(defaultValue);
+        expect(onClose).toBeCalledTimes(1);
+
+        // When
+        jest.runAllTimers();
+
+        // Then
+        expect(composer.link).toHaveBeenCalledWith("l", "t");
+    });
+});