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property assertion should only accept strings if nested, fixes #1043 #1044

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merged 10 commits into from Oct 2, 2017
Merged

property assertion should only accept strings if nested, fixes #1043 #1044

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e167009
property assertion should only accept strings if nested, fixes #1043
solodynamo Sep 9, 2017
3f2ce29
similar logic seperated out
solodynamo Sep 10, 2017
335fd33
test cases for fix #1043
solodynamo Sep 10, 2017
5fd4fa2
type check if not isNested with tests
solodynamo Sep 10, 2017
8ff7cb7
Tests for assert and should inteface
solodynamo Sep 14, 2017
a078a6d
Error message change
solodynamo Sep 16, 2017
e1442d0
changes in should and assert tests as per review
solodynamo Sep 16, 2017
d58d2bf
assert tests modified
solodynamo Sep 17, 2017
84062b1
Review comments changes
solodynamo Sep 24, 2017
f9e5a68
review comments fixes
solodynamo Sep 29, 2017
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25 changes: 22 additions & 3 deletions lib/chai/core/assertions.js
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Expand Up @@ -1763,10 +1763,30 @@ module.exports = function (chai, _) {
, isOwn = flag(this, 'own')
, flagMsg = flag(this, 'message')
, obj = flag(this, 'object')
, ssfi = flag(this, 'ssfi');
, ssfi = flag(this, 'ssfi')
, nameType = typeof name;

flagMsg = flagMsg ? flagMsg + ': ' : '';

if (isNested) {
if (nameType !== 'string') {
throw new AssertionError(
flagMsg + 'the argument to property must be a string when using nested syntax',
undefined,
ssfi
);
}
} else {
if (nameType !== 'string' && nameType !== 'number' && nameType !== 'symbol') {
throw new AssertionError(
flagMsg + 'the argument to property must be a string, number, or symbol',
undefined,
ssfi
);
}
}

if (isNested && isOwn) {
flagMsg = flagMsg ? flagMsg + ': ' : '';
throw new AssertionError(
flagMsg + 'The "nested" and "own" flags cannot be combined.',
undefined,
Expand All @@ -1775,7 +1795,6 @@ module.exports = function (chai, _) {
}

if (obj === null || obj === undefined) {
flagMsg = flagMsg ? flagMsg + ': ' : '';
throw new AssertionError(
flagMsg + 'Target cannot be null or undefined.',
undefined,
Expand Down
13 changes: 13 additions & 0 deletions test/assert.js
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Expand Up @@ -1395,6 +1395,7 @@ describe('assert', function () {
var obj = { foo: { bar: 'baz' } };
var simpleObj = { foo: 'bar' };
var undefinedKeyObj = { foo: undefined };
var dummyObj = { a: '1' };
assert.property(obj, 'foo');
assert.property(obj, 'toString');
assert.propertyVal(obj, 'toString', Object.prototype.toString);
Expand Down Expand Up @@ -1454,6 +1455,18 @@ describe('assert', function () {
err(function () {
assert.property(undefined, 'a', 'blah');
}, "blah: Target cannot be null or undefined.");

err(function () {
assert.property({a:1}, {'a':'1'}, 'blah');
}, 'blah: the argument to property must be a string, number, or symbol');

err(function () {
assert.propertyVal(dummyObj, 'a', '2', 'blah');
}, "blah: expected { a: '1' } to have property 'a' of '2', but got '1'");

err(function () {
assert.nestedProperty({a:1}, {'a':'1'}, 'blah');
}, 'blah: the argument to property must be a string when using nested syntax');
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One more test should be added here to the assert interface tests in order to verify the error message "the argument to property must be a string, number, or symbol". This test can closely resemble the expect({a:1}).to.have.property(null); test that you added on the expect interface, except using the assert interface instead of expect. (And using the err helper function, just like you've done in the previous two tests on the assert interface).

});

it('deepPropertyVal', function () {
Expand Down
8 changes: 8 additions & 0 deletions test/expect.js
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Expand Up @@ -1462,6 +1462,10 @@ describe('expect', function () {
err(function () {
expect(undefined, 'blah').to.have.property("a");
}, "blah: Target cannot be null or undefined.");

err(function () {
expect({a:1}, 'blah').to.have.property(null)
}, "blah: the argument to property must be a string, number, or symbol");
});

it('property(name, val)', function(){
Expand Down Expand Up @@ -1755,6 +1759,10 @@ describe('expect', function () {
expect({ 'foo.bar': 'baz' })
.to.have.nested.property('foo.bar');
}, "expected { 'foo.bar': 'baz' } to have nested property 'foo.bar'");

err(function () {
expect({a:1}, 'blah').to.have.nested.property({'a':'1'});
}, "blah: the argument to property must be a string when using nested syntax");
});

it('nested.property(name, val)', function(){
Expand Down
10 changes: 10 additions & 0 deletions test/should.js
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Expand Up @@ -1182,6 +1182,10 @@ describe('should', function() {
err(function() {
({a: {b: 1}}).should.have.own.nested.property("a.b");
}, "The \"nested\" and \"own\" flags cannot be combined.");

err(function () {
({a:1}).should.have.property(undefined);
}, "the argument to property must be a string, number, or symbol");
});

it('property(name, val)', function(){
Expand Down Expand Up @@ -1407,6 +1411,12 @@ describe('should', function() {

({ 'foo.bar[]': 'baz'}).should.have.nested.property('foo\\.bar\\[\\]');

({a:1}).should.have.nested.property('a');

err(function(){
({a:1}).should.have.nested.property({'a':'1'});
}, "the argument to property must be a string when using nested syntax");

err(function(){
({ 'foo.bar': 'baz' }).should.have.nested.property('foo.bar');
}, "expected { 'foo.bar': 'baz' } to have nested property 'foo.bar'");
Expand Down