Python’s assert_called_with, is there a wildcard character?

If you’re calling sendmail with a named parameter subject then it’s better to check whether the named argument matches what you expect: args, kwargs = self.myclass.sendmail.call_args self.assertEqual(kwargs[‘subject’], “Hello World”) This does assume both implementations of sendmail have a named parameter called subject. If that’s not the case you can do the same with a positional … Read more

What is the meaning of an assumption in scala compared to an assertion?

If you look at the code in Predef.scala you’ll see that all three do very similar job: def assert(assertion: Boolean) { if (!assertion) throw new java.lang.AssertionError(“assertion failed”) } def assume(assumption: Boolean) { if (!assumption) throw new java.lang.AssertionError(“assumption failed”) } def require(requirement: Boolean) { if (!requirement) throw new IllegalArgumentException(“requirement failed”) } There are also versions which … Read more

Differences between Assert.True and Assert.IsTrue in NUnit?

No difference. Assert.True() and others (without Is) were added since v2.5. From documentation for the version 2.5: (nunit v2.5) Two forms are provided for the True, False, Null and NotNull conditions. The “Is” forms are compatible with earlier versions of the NUnit framework, while those without “Is” are provided for compatibility with NUnitLite BTW, Disassembled … Read more

Best practice for debug Asserts during Unit testing

This is a perfectly valid question. First of all, many people are suggesting that you are using assertions wrongly. I think many debugging experts would disagree. Although it is good practice to check invariants with assertions, assertions shouldn’t be limited to state invariants. In fact, many expert debuggers will tell you to assert any conditions … Read more

In what cases we need to include ?

In short, don’t use it; use <assert.h>. C++11 removed any formal guarantee of a “c….” header not polluting the global namespace. It was never an in-practice guarantee, and now it’s not even a formal guarantee. Hence, with C++11 there is no longer any conceivable advantage in using the “c….” header variants, while there is the … Read more

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