Unit test typescriptification - editor utils (#8226)
* editor/mock ts Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/serialize-test.js -> test/editor/serialize-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * fix ts in serialize-test Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/range-test.js -> test/editor/range-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/position-test.js -> test/editor/position-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * fix position-test Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/operations-test.js -> test/editor/operations-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/model-test.js -> test/editor/model-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * fix ts in model-test Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/history-test.js -> test/editor/history-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * fix ts in history-test Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/diff-test.js -> test/editor/diff-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/deserialize-test.js -> test/editor/deserialize-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * ts in deserialize-test Signed-off-by: Kerry Archibald <kerrya@element.io> * test/editor/caret-test.js -> test/editor/caret-test.ts Signed-off-by: Kerry Archibald <kerrya@element.io> * ts caret-test Signed-off-by: Kerry Archibald <kerrya@element.io>
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11 changed files with 112 additions and 90 deletions
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/*
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import HistoryManager, { MAX_STEP_LENGTH } from "../../src/editor/history";
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describe('editor/history', function() {
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it('push, then undo', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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const caret1 = {};
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const result1 = history.tryPush(model, caret1);
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expect(result1).toEqual(true);
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parts[0] = "hello world";
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history.tryPush(model, {});
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expect(history.canUndo()).toEqual(true);
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const undoState = history.undo(model);
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expect(undoState.caret).toEqual(caret1);
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expect(undoState.parts).toEqual(["hello"]);
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expect(history.canUndo()).toEqual(false);
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});
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it('push, undo, then redo', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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history.tryPush(model, {});
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parts[0] = "hello world";
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const caret2 = {};
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history.tryPush(model, caret2);
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history.undo(model);
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expect(history.canRedo()).toEqual(true);
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const redoState = history.redo();
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expect(redoState.caret).toEqual(caret2);
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expect(redoState.parts).toEqual(["hello world"]);
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expect(history.canRedo()).toEqual(false);
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expect(history.canUndo()).toEqual(true);
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});
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it('push, undo, push, ensure you can`t redo', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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history.tryPush(model, {});
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parts[0] = "hello world";
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history.tryPush(model, {});
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history.undo(model);
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parts[0] = "hello world!!";
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history.tryPush(model, {});
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expect(history.canRedo()).toEqual(false);
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});
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it('not every keystroke stores a history step', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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const firstCaret = {};
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history.tryPush(model, firstCaret);
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const diff = { added: "o" };
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let keystrokeCount = 0;
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do {
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parts[0] = parts[0] + diff.added;
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keystrokeCount += 1;
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} while (!history.tryPush(model, {}, "insertText", diff));
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const undoState = history.undo(model);
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expect(undoState.caret).toEqual(firstCaret);
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expect(undoState.parts).toEqual(["hello"]);
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expect(history.canUndo()).toEqual(false);
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expect(keystrokeCount).toEqual(MAX_STEP_LENGTH + 1); // +1 before we type before checking
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});
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it('history step is added at word boundary', function() {
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const history = new HistoryManager();
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const model = { serializeParts: () => parts.slice() };
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const parts = ["h"];
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let diff = { added: "h" };
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expect(history.tryPush(model, {}, "insertText", diff)).toEqual(false);
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diff = { added: "i" };
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parts[0] = "hi";
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expect(history.tryPush(model, {}, "insertText", diff)).toEqual(false);
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diff = { added: " " };
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parts[0] = "hi ";
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const spaceCaret = {};
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expect(history.tryPush(model, spaceCaret, "insertText", diff)).toEqual(true);
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diff = { added: "y" };
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parts[0] = "hi y";
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expect(history.tryPush(model, {}, "insertText", diff)).toEqual(false);
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diff = { added: "o" };
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parts[0] = "hi yo";
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expect(history.tryPush(model, {}, "insertText", diff)).toEqual(false);
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diff = { added: "u" };
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parts[0] = "hi you";
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expect(history.canUndo()).toEqual(true);
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const undoResult = history.undo(model);
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expect(undoResult.caret).toEqual(spaceCaret);
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expect(undoResult.parts).toEqual(["hi "]);
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});
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it('keystroke that didn\'t add a step can undo', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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const firstCaret = {};
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history.tryPush(model, {});
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parts[0] = "helloo";
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const result = history.tryPush(model, {}, "insertText", { added: "o" });
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expect(result).toEqual(false);
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expect(history.canUndo()).toEqual(true);
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const undoState = history.undo(model);
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expect(undoState.caret).toEqual(firstCaret);
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expect(undoState.parts).toEqual(["hello"]);
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});
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it('undo after keystroke that didn\'t add a step is able to redo', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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history.tryPush(model, {});
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parts[0] = "helloo";
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const caret = { last: true };
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history.tryPush(model, caret, "insertText", { added: "o" });
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history.undo(model);
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expect(history.canRedo()).toEqual(true);
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const redoState = history.redo();
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expect(redoState.caret).toEqual(caret);
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expect(redoState.parts).toEqual(["helloo"]);
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});
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it('overwriting text always stores a step', function() {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() };
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const firstCaret = {};
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history.tryPush(model, firstCaret);
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const diff = { at: 1, added: "a", removed: "e" };
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const result = history.tryPush(model, {}, "insertText", diff);
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expect(result).toEqual(true);
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});
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});
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