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Diffstat (limited to 'middleware/node_modules/qs/test/utils.js')
-rw-r--r-- | middleware/node_modules/qs/test/utils.js | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/middleware/node_modules/qs/test/utils.js b/middleware/node_modules/qs/test/utils.js new file mode 100644 index 0000000..aa84dfd --- /dev/null +++ b/middleware/node_modules/qs/test/utils.js @@ -0,0 +1,136 @@ +'use strict'; + +var test = require('tape'); +var inspect = require('object-inspect'); +var SaferBuffer = require('safer-buffer').Buffer; +var forEach = require('for-each'); +var utils = require('../lib/utils'); + +test('merge()', function (t) { + t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null'); + + t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array'); + + t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key'); + + var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } }); + t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array'); + + var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } }); + t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array'); + + var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' }); + t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array'); + + var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] }); + t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] }); + + var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar'); + t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true }); + + t.test( + 'avoids invoking array setters unnecessarily', + { skip: typeof Object.defineProperty !== 'function' }, + function (st) { + var setCount = 0; + var getCount = 0; + var observed = []; + Object.defineProperty(observed, 0, { + get: function () { + getCount += 1; + return { bar: 'baz' }; + }, + set: function () { setCount += 1; } + }); + utils.merge(observed, [null]); + st.equal(setCount, 0); + st.equal(getCount, 1); + observed[0] = observed[0]; // eslint-disable-line no-self-assign + st.equal(setCount, 1); + st.equal(getCount, 2); + st.end(); + } + ); + + t.end(); +}); + +test('assign()', function (t) { + var target = { a: 1, b: 2 }; + var source = { b: 3, c: 4 }; + var result = utils.assign(target, source); + + t.equal(result, target, 'returns the target'); + t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged'); + t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched'); + + t.end(); +}); + +test('combine()', function (t) { + t.test('both arrays', function (st) { + var a = [1]; + var b = [2]; + var combined = utils.combine(a, b); + + st.deepEqual(a, [1], 'a is not mutated'); + st.deepEqual(b, [2], 'b is not mutated'); + st.notEqual(a, combined, 'a !== combined'); + st.notEqual(b, combined, 'b !== combined'); + st.deepEqual(combined, [1, 2], 'combined is a + b'); + + st.end(); + }); + + t.test('one array, one non-array', function (st) { + var aN = 1; + var a = [aN]; + var bN = 2; + var b = [bN]; + + var combinedAnB = utils.combine(aN, b); + st.deepEqual(b, [bN], 'b is not mutated'); + st.notEqual(aN, combinedAnB, 'aN + b !== aN'); + st.notEqual(a, combinedAnB, 'aN + b !== a'); + st.notEqual(bN, combinedAnB, 'aN + b !== bN'); + st.notEqual(b, combinedAnB, 'aN + b !== b'); + st.deepEqual([1, 2], combinedAnB, 'first argument is array-wrapped when not an array'); + + var combinedABn = utils.combine(a, bN); + st.deepEqual(a, [aN], 'a is not mutated'); + st.notEqual(aN, combinedABn, 'a + bN !== aN'); + st.notEqual(a, combinedABn, 'a + bN !== a'); + st.notEqual(bN, combinedABn, 'a + bN !== bN'); + st.notEqual(b, combinedABn, 'a + bN !== b'); + st.deepEqual([1, 2], combinedABn, 'second argument is array-wrapped when not an array'); + + st.end(); + }); + + t.test('neither is an array', function (st) { + var combined = utils.combine(1, 2); + st.notEqual(1, combined, '1 + 2 !== 1'); + st.notEqual(2, combined, '1 + 2 !== 2'); + st.deepEqual([1, 2], combined, 'both arguments are array-wrapped when not an array'); + + st.end(); + }); + + t.end(); +}); + +test('isBuffer()', function (t) { + forEach([null, undefined, true, false, '', 'abc', 42, 0, NaN, {}, [], function () {}, /a/g], function (x) { + t.equal(utils.isBuffer(x), false, inspect(x) + ' is not a buffer'); + }); + + var fakeBuffer = { constructor: Buffer }; + t.equal(utils.isBuffer(fakeBuffer), false, 'fake buffer is not a buffer'); + + var saferBuffer = SaferBuffer.from('abc'); + t.equal(utils.isBuffer(saferBuffer), true, 'SaferBuffer instance is a buffer'); + + var buffer = Buffer.from && Buffer.alloc ? Buffer.from('abc') : new Buffer('abc'); + t.equal(utils.isBuffer(buffer), true, 'real Buffer instance is a buffer'); + t.end(); +}); |