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Fix outdated editor tests for grapheme-aware cursor movement

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This commit is contained in:
Mario Zechner 2025-12-19 21:41:28 +01:00
parent ad4eb3afa6
commit 65c292b7dd
1 changed files with 4 additions and 7 deletions
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11
packages/tui/test/editor.test.ts
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@ -309,14 +309,13 @@ describe("Editor component", () => {
assert.strictEqual(text, "äö");
});
it("deletes multi-code-unit emojis with repeated Backspace", () => {
it("deletes multi-code-unit emojis with single Backspace", () => {
const editor = new Editor(defaultEditorTheme);
editor.handleInput("😀");
editor.handleInput("👍");
// Delete the last emoji (👍) - requires 2 backspaces since emojis are 2 code units
editor.handleInput("\x7f"); // Backspace
// Delete the last emoji (👍) - single backspace deletes whole grapheme cluster
editor.handleInput("\x7f"); // Backspace
const text = editor.getText();
@ -341,20 +340,18 @@ describe("Editor component", () => {
assert.strictEqual(text, "äxöü");
});
it("moves cursor in code units across multi-code-unit emojis before insertion", () => {
it("moves cursor across multi-code-unit emojis with single arrow key", () => {
const editor = new Editor(defaultEditorTheme);
editor.handleInput("😀");
editor.handleInput("👍");
editor.handleInput("🎉");
// Move cursor left over last emoji (🎉)
editor.handleInput("\x1b[D"); // Left arrow
// Move cursor left over last emoji (🎉) - single arrow moves over whole grapheme
editor.handleInput("\x1b[D"); // Left arrow
// Move cursor left over second emoji (👍)
editor.handleInput("\x1b[D");
editor.handleInput("\x1b[D");
// Insert 'x' between first and second emoji
editor.handleInput("x");