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test(editor): Simplify and refine Unicode handling tests for clarity and consistency

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This commit is contained in:
Mario Rodler 2025-11-16 21:05:49 +01:00
parent ce0c42f539
commit b37d601317
1 changed files with 16 additions and 56 deletions
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72
packages/tui/test/editor.test.ts
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@ -3,36 +3,8 @@ import { describe, it } from "node:test";
import { Editor } from "../src/components/editor.js";
describe("Editor component", () => {
describe("Unicode character input", () => {
it("should handle German umlauts correctly", () => {
const editor = new Editor();
// Simulate typing umlauts
editor.handleInput("ä");
editor.handleInput("ö");
editor.handleInput("ü");
editor.handleInput("Ä");
editor.handleInput("Ö");
editor.handleInput("Ü");
editor.handleInput("ß");
const text = editor.getText();
assert.strictEqual(text, "äöüÄÖÜß");
});
it("should handle emojis correctly", () => {
const editor = new Editor();
// Simulate typing emojis
editor.handleInput("😀");
editor.handleInput("👍");
editor.handleInput("🎉");
const text = editor.getText();
assert.strictEqual(text, "😀👍🎉");
});
it("should handle mixed ASCII, umlauts, and emojis", () => {
describe("Unicode text editing behavior", () => {
it("inserts mixed ASCII, umlauts, and emojis as literal text", () => {
const editor = new Editor();
editor.handleInput("H");
@ -51,7 +23,7 @@ describe("Editor component", () => {
assert.strictEqual(text, "Hello äöü 😀");
});
it("should handle backspace with umlauts correctly", () => {
it("deletes single-code-unit unicode characters (umlauts) with Backspace", () => {
const editor = new Editor();
editor.handleInput("ä");
@ -65,7 +37,7 @@ describe("Editor component", () => {
assert.strictEqual(text, "äö");
});
it("should handle backspace with emojis correctly", () => {
it("deletes multi-code-unit emojis with repeated Backspace", () => {
const editor = new Editor();
editor.handleInput("😀");
@ -79,7 +51,7 @@ describe("Editor component", () => {
assert.strictEqual(text, "😀");
});
it("should handle cursor movement with umlauts", () => {
it("inserts characters at the correct position after cursor movement over umlauts", () => {
const editor = new Editor();
editor.handleInput("ä");
@ -97,36 +69,35 @@ describe("Editor component", () => {
assert.strictEqual(text, "äxöü");
});
it("should handle cursor movement with emojis", () => {
it("moves cursor in code units across multi-code-unit emojis before insertion", () => {
const editor = new Editor();
editor.handleInput("😀");
editor.handleInput("👍");
editor.handleInput("🎉");
// Move cursor left twice (should skip the emoji)
// Move cursor left over last emoji (🎉)
editor.handleInput("\x1b[D"); // Left arrow
editor.handleInput("\x1b[D"); // Left arrow
// Note: Emojis are 2 code units, so we need to move left twice per emoji
// But cursor position is in code units, not visual columns
// Move cursor left over second emoji (👍)
editor.handleInput("\x1b[D");
editor.handleInput("\x1b[D");
// Insert 'x'
// Insert 'x' between first and second emoji
editor.handleInput("x");
const text = editor.getText();
assert.strictEqual(text, "😀x👍🎉");
});
it("should handle multi-line text with umlauts", () => {
it("preserves umlauts across line breaks", () => {
const editor = new Editor();
editor.handleInput("ä");
editor.handleInput("ö");
editor.handleInput("ü");
editor.handleInput("\n"); // Shift+Enter (new line)
editor.handleInput("\n"); // new line
editor.handleInput("Ä");
editor.handleInput("Ö");
editor.handleInput("Ü");
@ -135,21 +106,19 @@ describe("Editor component", () => {
assert.strictEqual(text, "äöü\nÄÖÜ");
});
it("should handle paste with umlauts", () => {
it("replaces the entire document with unicode text via setText (paste simulation)", () => {
const editor = new Editor();
// Simulate bracketed paste by calling handlePaste directly
// (Bracketed paste is async and doesn't work well in sync tests)
editor.setText("äöüÄÖÜß");
// Simulate bracketed paste / programmatic replacement
editor.setText("Hällö Wörld! 😀 äöüÄÖÜß");
const text = editor.getText();
assert.strictEqual(text, "äöüÄÖÜß");
assert.strictEqual(text, "Hällö Wörld! 😀 äöüÄÖÜß");
});
it("should handle special control keys", () => {
it("moves cursor to document start on Ctrl+A and inserts at the beginning", () => {
const editor = new Editor();
// Ctrl+A moves cursor to start
editor.handleInput("a");
editor.handleInput("b");
editor.handleInput("\x01"); // Ctrl+A (move to start)
@ -158,14 +127,5 @@ describe("Editor component", () => {
const text = editor.getText();
assert.strictEqual(text, "xab");
});
it("should handle setText with umlauts", () => {
const editor = new Editor();
editor.setText("Hällö Wörld! 😀");
const text = editor.getText();
assert.strictEqual(text, "Hällö Wörld! 😀");
});
});
});