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Mini Shell
Mini Shell
'use strict';
var inspect = require('../');
var test = require('tape');
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);
var has = Object.prototype.hasOwnProperty;
delete Object.prototype.hasOwnProperty;
t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
Object.prototype.hasOwnProperty = has; // eslint-disable-line no-extend-native
});
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();
});
Zerion Mini Shell 1.0