yomichan/test/test-object-property-accessor.js

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/*
* Copyright (C) 2020 Yomichan Authors
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*
* 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');
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const vm = new VM({});
vm.execute('mixed/js/object-property-accessor.js');
const ObjectPropertyAccessor = vm.get('ObjectPropertyAccessor');
function createTestObject() {
return {
0: null,
value1: {
value2: {},
value3: [],
value4: null
},
value5: [
{},
[],
null
]
};
}
function testGet1() {
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const data = [
[[], (object) => object],
[['0'], (object) => object['0']],
[['value1'], (object) => object.value1],
[['value1', 'value2'], (object) => object.value1.value2],
[['value1', 'value3'], (object) => object.value1.value3],
[['value1', 'value4'], (object) => object.value1.value4],
[['value5'], (object) => object.value5],
[['value5', 0], (object) => object.value5[0]],
[['value5', 1], (object) => object.value5[1]],
[['value5', 2], (object) => object.value5[2]]
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];
for (const [pathArray, getExpected] of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
const expected = getExpected(object);
assert.strictEqual(accessor.get(pathArray), expected);
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}
}
function testGet2() {
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const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
const data = [
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[[0], 'Invalid path: [0]'],
[['0', 'invalid'], 'Invalid path: ["0"].invalid'],
[['invalid'], 'Invalid path: invalid'],
[['value1', 'invalid'], 'Invalid path: value1.invalid'],
[['value1', 'value2', 'invalid'], 'Invalid path: value1.value2.invalid'],
[['value1', 'value2', 0], 'Invalid path: value1.value2[0]'],
[['value1', 'value3', 'invalid'], 'Invalid path: value1.value3.invalid'],
[['value1', 'value3', 0], 'Invalid path: value1.value3[0]'],
[['value1', 'value4', 'invalid'], 'Invalid path: value1.value4.invalid'],
[['value1', 'value4', 0], 'Invalid path: value1.value4[0]'],
[['value5', 'length'], 'Invalid path: value5.length'],
[['value5', 0, 'invalid'], 'Invalid path: value5[0].invalid'],
[['value5', 0, 0], 'Invalid path: value5[0][0]'],
[['value5', 1, 'invalid'], 'Invalid path: value5[1].invalid'],
[['value5', 1, 0], 'Invalid path: value5[1][0]'],
[['value5', 2, 'invalid'], 'Invalid path: value5[2].invalid'],
[['value5', 2, 0], 'Invalid path: value5[2][0]'],
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[['value5', 2, 0, 'invalid'], 'Invalid path: value5[2][0]'],
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[['value5', 2.5], 'Invalid index']
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];
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for (const [pathArray, message] of data) {
assert.throws(() => accessor.get(pathArray), {message});
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}
}
function testSet1() {
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const testValue = {};
const data = [
['0'],
['value1', 'value2'],
['value1', 'value3'],
['value1', 'value4'],
['value1'],
['value5', 0],
['value5', 1],
['value5', 2],
['value5']
];
for (const pathArray of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
accessor.set(pathArray, testValue);
assert.strictEqual(accessor.get(pathArray), testValue);
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}
}
function testSet2() {
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const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
const testValue = {};
const data = [
[[], 'Invalid path'],
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[[0], 'Invalid path: [0]'],
[['0', 'invalid'], 'Invalid path: ["0"].invalid'],
[['value1', 'value2', 0], 'Invalid path: value1.value2[0]'],
[['value1', 'value3', 'invalid'], 'Invalid path: value1.value3.invalid'],
[['value1', 'value4', 'invalid'], 'Invalid path: value1.value4.invalid'],
[['value1', 'value4', 0], 'Invalid path: value1.value4[0]'],
[['value5', 1, 'invalid'], 'Invalid path: value5[1].invalid'],
[['value5', 2, 'invalid'], 'Invalid path: value5[2].invalid'],
[['value5', 2, 0], 'Invalid path: value5[2][0]'],
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[['value5', 2, 0, 'invalid'], 'Invalid path: value5[2][0]'],
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[['value5', 2.5], 'Invalid index']
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];
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for (const [pathArray, message] of data) {
assert.throws(() => accessor.set(pathArray, testValue), {message});
}
}
function testDelete1() {
const hasOwn = (object, property) => Object.prototype.hasOwnProperty.call(object, property);
const data = [
[['0'], (object) => !hasOwn(object, '0')],
[['value1', 'value2'], (object) => !hasOwn(object.value1, 'value2')],
[['value1', 'value3'], (object) => !hasOwn(object.value1, 'value3')],
[['value1', 'value4'], (object) => !hasOwn(object.value1, 'value4')],
[['value1'], (object) => !hasOwn(object, 'value1')],
[['value5'], (object) => !hasOwn(object, 'value5')]
];
for (const [pathArray, validate] of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
accessor.delete(pathArray);
assert.ok(validate(object));
}
}
function testDelete2() {
const data = [
[[], 'Invalid path'],
[[0], 'Invalid path: [0]'],
[['0', 'invalid'], 'Invalid path: ["0"].invalid'],
[['value1', 'value2', 0], 'Invalid path: value1.value2[0]'],
[['value1', 'value3', 'invalid'], 'Invalid path: value1.value3.invalid'],
[['value1', 'value4', 'invalid'], 'Invalid path: value1.value4.invalid'],
[['value1', 'value4', 0], 'Invalid path: value1.value4[0]'],
[['value5', 1, 'invalid'], 'Invalid path: value5[1].invalid'],
[['value5', 2, 'invalid'], 'Invalid path: value5[2].invalid'],
[['value5', 2, 0], 'Invalid path: value5[2][0]'],
[['value5', 2, 0, 'invalid'], 'Invalid path: value5[2][0]'],
[['value5', 2.5], 'Invalid index'],
[['value5', 0], 'Invalid type'],
[['value5', 1], 'Invalid type'],
[['value5', 2], 'Invalid type']
];
for (const [pathArray, message] of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
assert.throws(() => accessor.delete(pathArray), {message});
}
}
function testSwap1() {
const data = [
[['0'], true],
[['value1', 'value2'], true],
[['value1', 'value3'], true],
[['value1', 'value4'], true],
[['value1'], false],
[['value5', 0], true],
[['value5', 1], true],
[['value5', 2], true],
[['value5'], false]
];
for (const [pathArray1, compareValues1] of data) {
for (const [pathArray2, compareValues2] of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
const value1a = accessor.get(pathArray1);
const value2a = accessor.get(pathArray2);
accessor.swap(pathArray1, pathArray2);
if (!compareValues1 || !compareValues2) { continue; }
const value1b = accessor.get(pathArray1);
const value2b = accessor.get(pathArray2);
assert.deepStrictEqual(value1a, value2b);
assert.deepStrictEqual(value2a, value1b);
}
}
}
function testSwap2() {
const data = [
[[], [], false, 'Invalid path 1'],
[['0'], [], false, 'Invalid path 2'],
[[], ['0'], false, 'Invalid path 1'],
[[0], ['0'], false, 'Invalid path 1: [0]'],
[['0'], [0], false, 'Invalid path 2: [0]']
];
for (const [pathArray1, pathArray2, checkRevert, message] of data) {
const object = createTestObject();
const accessor = new ObjectPropertyAccessor(object);
let value1a;
let value2a;
if (checkRevert) {
try {
value1a = accessor.get(pathArray1);
value2a = accessor.get(pathArray2);
} catch (e) {
// NOP
}
}
assert.throws(() => accessor.swap(pathArray1, pathArray2), {message});
if (!checkRevert) { continue; }
const value1b = accessor.get(pathArray1);
const value2b = accessor.get(pathArray2);
assert.deepStrictEqual(value1a, value1b);
assert.deepStrictEqual(value2a, value2b);
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}
}
function testGetPathString1() {
const data = [
[[], ''],
[[0], '[0]'],
[['escape\\'], '["escape\\\\"]'],
[['\'quote\''], '["\'quote\'"]'],
[['"quote"'], '["\\"quote\\""]'],
[['part1', 'part2'], 'part1.part2'],
[['part1', 'part2', 3], 'part1.part2[3]'],
[['part1', 'part2', '3'], 'part1.part2["3"]'],
[['part1', 'part2', '3part'], 'part1.part2["3part"]'],
[['part1', 'part2', '3part', 'part4'], 'part1.part2["3part"].part4'],
[['part1', 'part2', '3part', '4part'], 'part1.part2["3part"]["4part"]']
];
for (const [pathArray, expected] of data) {
assert.strictEqual(ObjectPropertyAccessor.getPathString(pathArray), expected);
}
}
function testGetPathString2() {
const data = [
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[[1.5], 'Invalid index'],
[[null], 'Invalid type: object']
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];
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for (const [pathArray, message] of data) {
assert.throws(() => ObjectPropertyAccessor.getPathString(pathArray), {message});
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}
}
function testGetPathArray1() {
const data = [
['', []],
['[0]', [0]],
['["escape\\\\"]', ['escape\\']],
['["\'quote\'"]', ['\'quote\'']],
['["\\"quote\\""]', ['"quote"']],
['part1.part2', ['part1', 'part2']],
['part1.part2[3]', ['part1', 'part2', 3]],
['part1.part2["3"]', ['part1', 'part2', '3']],
['part1.part2[\'3\']', ['part1', 'part2', '3']],
['part1.part2["3part"]', ['part1', 'part2', '3part']],
['part1.part2[\'3part\']', ['part1', 'part2', '3part']],
['part1.part2["3part"].part4', ['part1', 'part2', '3part', 'part4']],
['part1.part2[\'3part\'].part4', ['part1', 'part2', '3part', 'part4']],
['part1.part2["3part"]["4part"]', ['part1', 'part2', '3part', '4part']],
['part1.part2[\'3part\'][\'4part\']', ['part1', 'part2', '3part', '4part']]
];
for (const [pathString, expected] of data) {
vm.assert.deepStrictEqual(ObjectPropertyAccessor.getPathArray(pathString), expected);
}
}
function testGetPathArray2() {
const data = [
['?', 'Unexpected character: ?'],
['.', 'Unexpected character: .'],
['0', 'Unexpected character: 0'],
['part1.[0]', 'Unexpected character: ['],
['part1?', 'Unexpected character: ?'],
['[part1]', 'Unexpected character: p'],
['[0a]', 'Unexpected character: a'],
['["part1"x]', 'Unexpected character: x'],
['[\'part1\'x]', 'Unexpected character: x'],
['["part1"]x', 'Unexpected character: x'],
['[\'part1\']x', 'Unexpected character: x'],
['part1..part2', 'Unexpected character: .'],
['[', 'Path not terminated correctly'],
['part1.', 'Path not terminated correctly'],
['part1[', 'Path not terminated correctly'],
['part1["', 'Path not terminated correctly'],
['part1[\'', 'Path not terminated correctly'],
['part1[""', 'Path not terminated correctly'],
['part1[\'\'', 'Path not terminated correctly'],
['part1[0', 'Path not terminated correctly'],
['part1[0].', 'Path not terminated correctly']
];
for (const [pathString, message] of data) {
assert.throws(() => ObjectPropertyAccessor.getPathArray(pathString), {message});
}
}
function testHasProperty() {
const data = [
[{}, 'invalid', false],
[{}, 0, false],
[{valid: 0}, 'valid', true],
[{null: 0}, null, false],
[[], 'invalid', false],
[[], 0, false],
[[0], 0, true],
[[0], null, false],
['string', 0, false],
['string', 'length', false],
['string', null, false]
];
for (const [object, property, expected] of data) {
assert.strictEqual(ObjectPropertyAccessor.hasProperty(object, property), expected);
}
}
function testIsValidPropertyType() {
const data = [
[{}, 'invalid', true],
[{}, 0, false],
[{valid: 0}, 'valid', true],
[{null: 0}, null, false],
[[], 'invalid', false],
[[], 0, true],
[[0], 0, true],
[[0], null, false],
['string', 0, false],
['string', 'length', false],
['string', null, false]
];
for (const [object, property, expected] of data) {
assert.strictEqual(ObjectPropertyAccessor.isValidPropertyType(object, property), expected);
}
}
function main() {
testGet1();
testGet2();
testSet1();
testSet2();
testDelete1();
testDelete2();
testSwap1();
testSwap2();
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testGetPathString1();
testGetPathString2();
testGetPathArray1();
testGetPathArray2();
testHasProperty();
testIsValidPropertyType();
}
if (require.main === module) { testMain(main); }