Decision: do not use
absl in new code. Generally,
absl is a
poor fit for use cases in Fuchsia. We will remove
absl from the tree
once existing clients of it are migrated away. This removal work is tracked in
Use the Gtest framework for writing tests everywhere except the Zircon
directory. It provides the
TEST_F macros as well as the
EXPECT variants we use.
Inside the Zircon directory, use
system/ulib/zxtest instead. It provides a
Gtest-like interface with fewer dependencies on higher-level OS concepts like
mutexes (things we want to test). It also supports writing tests in
C which is required for some layers.
Gmock has several components. We allow the gmock matchers such as
There are varying opinions on the team on the function mocking functions
- It can be very efficient to do certain types of mocking.
- Some people feel that Gmock-generated mocks are easier to read than the equivalent custom code.
- Lack of a mocking library means some people might not write good tests.
- Gmock provides a domain-specific language. Not everybody understands this language, and the complex use of templates and macros make it hard to diagnose problems.
- Some aspects of Gmock encourage overly constrained mocks.
- Combinations of the above can make it harder to make changes to mocked code later.
Decision: do not use the mocking functionality of gmock (