Hotkey util (#1270)

* Create HotkeyUtil

* Create tests

* Use HotkeyUtil

* Fix issues

1 files changed, 172 insertions, 0 deletions

diff --git a/test/test-hotkey-util.js b/test/test-hotkey-util.js
new file mode 100644
index 00000000..1388c538
--- /dev/null
+++ b/test/test-hotkey-util.js
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2020-2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+const assert = require('assert');
+const {testMain} = require('../dev/util');
+const {VM} = require('../dev/vm');
+
+
+function clone(value) {
+    return JSON.parse(JSON.stringify(value));
+}
+
+function createHotkeyUtil() {
+    const vm = new VM();
+    vm.execute(['mixed/js/hotkey-util.js']);
+    const [HotkeyUtil] = vm.get(['HotkeyUtil']);
+    return new HotkeyUtil();
+}
+
+
+function testCommandConversions() {
+    const data = [
+        {os: 'win', command: 'Alt+F', expectedCommand: 'Alt+F', expectedInput: {key: 'KeyF', modifiers: ['alt']}},
+        {os: 'win', command: 'F1',    expectedCommand: 'F1',    expectedInput: {key: 'F1', modifiers: []}},
+
+        {os: 'win', command: 'Ctrl+Alt+Shift+F1',    expectedCommand: 'Ctrl+Alt+Shift+F1',    expectedInput: {key: 'F1', modifiers: ['ctrl', 'alt', 'shift']}},
+        {os: 'win', command: 'MacCtrl+Alt+Shift+F1', expectedCommand: 'Ctrl+Alt+Shift+F1',    expectedInput: {key: 'F1', modifiers: ['ctrl', 'alt', 'shift']}},
+        {os: 'win', command: 'Command+Alt+Shift+F1', expectedCommand: 'Command+Alt+Shift+F1', expectedInput: {key: 'F1', modifiers: ['meta', 'alt', 'shift']}},
+
+        {os: 'mac', command: 'Ctrl+Alt+Shift+F1',    expectedCommand: 'Command+Alt+Shift+F1', expectedInput: {key: 'F1', modifiers: ['meta', 'alt', 'shift']}},
+        {os: 'mac', command: 'MacCtrl+Alt+Shift+F1', expectedCommand: 'MacCtrl+Alt+Shift+F1', expectedInput: {key: 'F1', modifiers: ['ctrl', 'alt', 'shift']}},
+        {os: 'mac', command: 'Command+Alt+Shift+F1', expectedCommand: 'Command+Alt+Shift+F1', expectedInput: {key: 'F1', modifiers: ['meta', 'alt', 'shift']}},
+
+        {os: 'linux', command: 'Ctrl+Alt+Shift+F1',    expectedCommand: 'Ctrl+Alt+Shift+F1',    expectedInput: {key: 'F1', modifiers: ['ctrl', 'alt', 'shift']}},
+        {os: 'linux', command: 'MacCtrl+Alt+Shift+F1', expectedCommand: 'Ctrl+Alt+Shift+F1',    expectedInput: {key: 'F1', modifiers: ['ctrl', 'alt', 'shift']}},
+        {os: 'linux', command: 'Command+Alt+Shift+F1', expectedCommand: 'Command+Alt+Shift+F1', expectedInput: {key: 'F1', modifiers: ['meta', 'alt', 'shift']}}
+    ];
+
+    const hotkeyUtil = createHotkeyUtil();
+    for (const {command, os, expectedInput, expectedCommand} of data) {
+        hotkeyUtil.os = os;
+        const input = clone(hotkeyUtil.convertCommandToInput(command));
+        assert.deepStrictEqual(input, expectedInput);
+        const command2 = hotkeyUtil.convertInputToCommand(input.key, input.modifiers);
+        assert.deepStrictEqual(command2, expectedCommand);
+    }
+}
+
+function testDisplayNames() {
+    const data = [
+        {os: 'win', key: null,   modifiers: [], expected: ''},
+        {os: 'win', key: 'KeyF', modifiers: [], expected: 'F'},
+        {os: 'win', key: 'F1',   modifiers: [], expected: 'F1'},
+        {os: 'win', key: null,   modifiers: ['ctrl'], expected: 'Ctrl'},
+        {os: 'win', key: 'KeyF', modifiers: ['ctrl'], expected: 'Ctrl + F'},
+        {os: 'win', key: 'F1',   modifiers: ['ctrl'], expected: 'Ctrl + F1'},
+        {os: 'win', key: null,   modifiers: ['alt'], expected: 'Alt'},
+        {os: 'win', key: 'KeyF', modifiers: ['alt'], expected: 'Alt + F'},
+        {os: 'win', key: 'F1',   modifiers: ['alt'], expected: 'Alt + F1'},
+        {os: 'win', key: null,   modifiers: ['shift'], expected: 'Shift'},
+        {os: 'win', key: 'KeyF', modifiers: ['shift'], expected: 'Shift + F'},
+        {os: 'win', key: 'F1',   modifiers: ['shift'], expected: 'Shift + F1'},
+        {os: 'win', key: null,   modifiers: ['meta'], expected: 'Windows'},
+        {os: 'win', key: 'KeyF', modifiers: ['meta'], expected: 'Windows + F'},
+        {os: 'win', key: 'F1',   modifiers: ['meta'], expected: 'Windows + F1'},
+        {os: 'win', key: null,   modifiers: ['mouse1'], expected: 'Mouse 1'},
+        {os: 'win', key: 'KeyF', modifiers: ['mouse1'], expected: 'Mouse 1 + F'},
+        {os: 'win', key: 'F1',   modifiers: ['mouse1'], expected: 'Mouse 1 + F1'},
+
+        {os: 'mac', key: null,   modifiers: [], expected: ''},
+        {os: 'mac', key: 'KeyF', modifiers: [], expected: 'F'},
+        {os: 'mac', key: 'F1',   modifiers: [], expected: 'F1'},
+        {os: 'mac', key: null,   modifiers: ['ctrl'], expected: 'Ctrl'},
+        {os: 'mac', key: 'KeyF', modifiers: ['ctrl'], expected: 'Ctrl + F'},
+        {os: 'mac', key: 'F1',   modifiers: ['ctrl'], expected: 'Ctrl + F1'},
+        {os: 'mac', key: null,   modifiers: ['alt'], expected: 'Opt'},
+        {os: 'mac', key: 'KeyF', modifiers: ['alt'], expected: 'Opt + F'},
+        {os: 'mac', key: 'F1',   modifiers: ['alt'], expected: 'Opt + F1'},
+        {os: 'mac', key: null,   modifiers: ['shift'], expected: 'Shift'},
+        {os: 'mac', key: 'KeyF', modifiers: ['shift'], expected: 'Shift + F'},
+        {os: 'mac', key: 'F1',   modifiers: ['shift'], expected: 'Shift + F1'},
+        {os: 'mac', key: null,   modifiers: ['meta'], expected: 'Cmd'},
+        {os: 'mac', key: 'KeyF', modifiers: ['meta'], expected: 'Cmd + F'},
+        {os: 'mac', key: 'F1',   modifiers: ['meta'], expected: 'Cmd + F1'},
+        {os: 'mac', key: null,   modifiers: ['mouse1'], expected: 'Mouse 1'},
+        {os: 'mac', key: 'KeyF', modifiers: ['mouse1'], expected: 'Mouse 1 + F'},
+        {os: 'mac', key: 'F1',   modifiers: ['mouse1'], expected: 'Mouse 1 + F1'},
+
+        {os: 'linux', key: null,   modifiers: [], expected: ''},
+        {os: 'linux', key: 'KeyF', modifiers: [], expected: 'F'},
+        {os: 'linux', key: 'F1',   modifiers: [], expected: 'F1'},
+        {os: 'linux', key: null,   modifiers: ['ctrl'], expected: 'Ctrl'},
+        {os: 'linux', key: 'KeyF', modifiers: ['ctrl'], expected: 'Ctrl + F'},
+        {os: 'linux', key: 'F1',   modifiers: ['ctrl'], expected: 'Ctrl + F1'},
+        {os: 'linux', key: null,   modifiers: ['alt'], expected: 'Alt'},
+        {os: 'linux', key: 'KeyF', modifiers: ['alt'], expected: 'Alt + F'},
+        {os: 'linux', key: 'F1',   modifiers: ['alt'], expected: 'Alt + F1'},
+        {os: 'linux', key: null,   modifiers: ['shift'], expected: 'Shift'},
+        {os: 'linux', key: 'KeyF', modifiers: ['shift'], expected: 'Shift + F'},
+        {os: 'linux', key: 'F1',   modifiers: ['shift'], expected: 'Shift + F1'},
+        {os: 'linux', key: null,   modifiers: ['meta'], expected: 'Super'},
+        {os: 'linux', key: 'KeyF', modifiers: ['meta'], expected: 'Super + F'},
+        {os: 'linux', key: 'F1',   modifiers: ['meta'], expected: 'Super + F1'},
+        {os: 'linux', key: null,   modifiers: ['mouse1'], expected: 'Mouse 1'},
+        {os: 'linux', key: 'KeyF', modifiers: ['mouse1'], expected: 'Mouse 1 + F'},
+        {os: 'linux', key: 'F1',   modifiers: ['mouse1'], expected: 'Mouse 1 + F1'},
+
+        {os: 'unknown', key: null,   modifiers: [], expected: ''},
+        {os: 'unknown', key: 'KeyF', modifiers: [], expected: 'F'},
+        {os: 'unknown', key: 'F1',   modifiers: [], expected: 'F1'},
+        {os: 'unknown', key: null,   modifiers: ['ctrl'], expected: 'Ctrl'},
+        {os: 'unknown', key: 'KeyF', modifiers: ['ctrl'], expected: 'Ctrl + F'},
+        {os: 'unknown', key: 'F1',   modifiers: ['ctrl'], expected: 'Ctrl + F1'},
+        {os: 'unknown', key: null,   modifiers: ['alt'], expected: 'Alt'},
+        {os: 'unknown', key: 'KeyF', modifiers: ['alt'], expected: 'Alt + F'},
+        {os: 'unknown', key: 'F1',   modifiers: ['alt'], expected: 'Alt + F1'},
+        {os: 'unknown', key: null,   modifiers: ['shift'], expected: 'Shift'},
+        {os: 'unknown', key: 'KeyF', modifiers: ['shift'], expected: 'Shift + F'},
+        {os: 'unknown', key: 'F1',   modifiers: ['shift'], expected: 'Shift + F1'},
+        {os: 'unknown', key: null,   modifiers: ['meta'], expected: 'Meta'},
+        {os: 'unknown', key: 'KeyF', modifiers: ['meta'], expected: 'Meta + F'},
+        {os: 'unknown', key: 'F1',   modifiers: ['meta'], expected: 'Meta + F1'},
+        {os: 'unknown', key: null,   modifiers: ['mouse1'], expected: 'Mouse 1'},
+        {os: 'unknown', key: 'KeyF', modifiers: ['mouse1'], expected: 'Mouse 1 + F'},
+        {os: 'unknown', key: 'F1',   modifiers: ['mouse1'], expected: 'Mouse 1 + F1'}
+    ];
+
+    const hotkeyUtil = createHotkeyUtil();
+    for (const {os, key, modifiers, expected} of data) {
+        hotkeyUtil.os = os;
+        const displayName = hotkeyUtil.getInputDisplayValue(key, modifiers);
+        assert.deepStrictEqual(displayName, expected);
+    }
+}
+
+function testSortModifiers() {
+    const data = [
+        {modifiers: [], expected: []},
+        {modifiers: ['shift', 'alt', 'ctrl', 'mouse4', 'meta', 'mouse1', 'mouse0'], expected: ['meta', 'ctrl', 'alt', 'shift', 'mouse0', 'mouse1', 'mouse4']}
+    ];
+
+    const hotkeyUtil = createHotkeyUtil();
+    for (const {modifiers, expected} of data) {
+        const modifiers2 = hotkeyUtil.sortModifiers(modifiers);
+        assert.strictEqual(modifiers2, modifiers);
+        assert.deepStrictEqual(modifiers2, expected);
+    }
+}
+
+
+function main() {
+    testCommandConversions();
+    testDisplayNames();
+    testSortModifiers();
+}
+
+
+if (require.main === module) { testMain(main); }