Asserting on a property that is a specific data type

[pvienneau]

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Based on chai's property assertion, I am able to do the following for an object:

expect(record).to.have.property('deleted_at').that.is.a('date);

But with chai-things, I get the following error when I try to run the following code:

expect(manyRecords).to.all.have.property('deleted_at').that.is.a('date')

## AssertionError: expected [ Array(1) ] to be a date

Although removing the data type (date) assertion does pass the test, it seems to update the target of the assertion to the provided property, instead resets to the array.

[truca]

I'm currently having the exact same problem. I think that the problem is that

expect(manyRecords).to.all.have.property('deleted_at')

doesn't return the property, but instead returns this the "manyRecords" array, so our tests fails.

I think that there should be a work around, but it'd be nice to be able to apply this kind of syntax

[tamias]

I just started using chai-things and immediately ran into this issue.

[OpenByteDev]

+1

[llopess]

+1

[brunoparga]

I just started using mocha and chai, so I'm not sure if my issue is the same as this one, but I have an array which is a list of English word strings; the following assertion:

allWords.should.all.be.a('string')

gives me the test result:

AssertionError: expected 'AARDVARK' to be a string