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Diffstat (limited to 'school/node_modules/object-inspect/test/values.js')
-rw-r--r-- | school/node_modules/object-inspect/test/values.js | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/school/node_modules/object-inspect/test/values.js b/school/node_modules/object-inspect/test/values.js new file mode 100644 index 0000000..4832b9f --- /dev/null +++ b/school/node_modules/object-inspect/test/values.js @@ -0,0 +1,211 @@ +'use strict'; + +var inspect = require('../'); +var test = require('tape'); +var mockProperty = require('mock-property'); +var hasSymbols = require('has-symbols/shams')(); +var hasToStringTag = require('has-tostringtag/shams')(); + +test('values', function (t) { + t.plan(1); + var obj = [{}, [], { 'a-b': 5 }]; + t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]'); +}); + +test('arrays with properties', function (t) { + t.plan(1); + var arr = [3]; + arr.foo = 'bar'; + var obj = [1, 2, arr]; + obj.baz = 'quux'; + obj.index = -1; + t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]'); +}); + +test('has', function (t) { + t.plan(1); + t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true })); + + t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }'); +}); + +test('indexOf seen', function (t) { + t.plan(1); + var xs = [1, 2, 3, {}]; + xs.push(xs); + + var seen = []; + seen.indexOf = undefined; + + t.equal( + inspect(xs, {}, 0, seen), + '[ 1, 2, 3, {}, [Circular] ]' + ); +}); + +test('seen seen', function (t) { + t.plan(1); + var xs = [1, 2, 3]; + + var seen = [xs]; + seen.indexOf = undefined; + + t.equal( + inspect(xs, {}, 0, seen), + '[Circular]' + ); +}); + +test('seen seen seen', function (t) { + t.plan(1); + var xs = [1, 2, 3]; + + var seen = [5, xs]; + seen.indexOf = undefined; + + t.equal( + inspect(xs, {}, 0, seen), + '[Circular]' + ); +}); + +test('symbols', { skip: !hasSymbols }, function (t) { + var sym = Symbol('foo'); + t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"'); + if (typeof sym === 'symbol') { + // Symbol shams are incapable of differentiating boxed from unboxed symbols + t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"'); + } + + t.test('toStringTag', { skip: !hasToStringTag }, function (st) { + st.plan(1); + + var faker = {}; + faker[Symbol.toStringTag] = 'Symbol'; + st.equal( + inspect(faker), + '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }', + 'object lying about being a Symbol inspects as an object' + ); + }); + + t.end(); +}); + +test('Map', { skip: typeof Map !== 'function' }, function (t) { + var map = new Map(); + map.set({ a: 1 }, ['b']); + map.set(3, NaN); + var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}'; + t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents'); + t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty'); + + var nestedMap = new Map(); + nestedMap.set(nestedMap, map); + t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work'); + + t.end(); +}); + +test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) { + var map = new WeakMap(); + map.set({ a: 1 }, ['b']); + var expectedString = 'WeakMap { ? }'; + t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents'); + t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty'); + + t.end(); +}); + +test('Set', { skip: typeof Set !== 'function' }, function (t) { + var set = new Set(); + set.add({ a: 1 }); + set.add(['b']); + var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}'; + t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents'); + t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty'); + + var nestedSet = new Set(); + nestedSet.add(set); + nestedSet.add(nestedSet); + t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work'); + + t.end(); +}); + +test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) { + var map = new WeakSet(); + map.add({ a: 1 }); + var expectedString = 'WeakSet { ? }'; + t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents'); + t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty'); + + t.end(); +}); + +test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) { + var ref = new WeakRef({ a: 1 }); + var expectedString = 'WeakRef { ? }'; + t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents'); + + t.end(); +}); + +test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) { + var registry = new FinalizationRegistry(function () {}); + var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}'; + t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys'); + + t.end(); +}); + +test('Strings', function (t) { + var str = 'abc'; + + t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such'); + t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted'); + t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted'); + t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such'); + t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted'); + t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted'); + + t.end(); +}); + +test('Numbers', function (t) { + var num = 42; + + t.equal(inspect(num), String(num), 'primitive number shows as such'); + t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such'); + + t.end(); +}); + +test('Booleans', function (t) { + t.equal(inspect(true), String(true), 'primitive true shows as such'); + t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such'); + + t.equal(inspect(false), String(false), 'primitive false shows as such'); + t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such'); + + t.end(); +}); + +test('Date', function (t) { + var now = new Date(); + t.equal(inspect(now), String(now), 'Date shows properly'); + t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly'); + + t.end(); +}); + +test('RegExps', function (t) { + t.equal(inspect(/a/g), '/a/g', 'regex shows properly'); + t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly'); + + var match = 'abc abc'.match(/[ab]+/); + delete match.groups; // for node < 10 + t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly'); + + t.end(); +}); |