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Automated Tests

The Unit-Tests do not follow exactly the file structure of Powerlevel9k itself, but we try to reflect the structure as much as possible. All tests are located under test/. Segment specific tests under test/segments/ (one file per segment).


In order to execute the tests you need to install shunit2, which is a submodule. To install the submodule, you can execute git submodule init && git submodule update.

Executing tests

The tests are shell scripts on their own. So you can execute them right away. To execute all tests you could just execute ./test/suite.spec.

General Test Structure

The tests usually have a setUp() function which is executed before every test function. Speaking of, test functions must be prefixed with test. In the tests, you can do different Assertions. It is always a good idea to mock the program you want to test (just have a look at other tests), so that the testrunner does not have to have all programs installed.


We use Travis for Continuous Integration. This service executes our tests after every push. For now, we need to tell travis where to find the tests, which is what happens in the .travis.yml file.

Manual Testing

If unit tests are not sufficient (e.g. you have an issue with your prompt that occurs only in a specific ZSH framework) then you can use either Docker or or our Vagrant.


This is the easiest to use if you have Docker already installed and running.

The command ./test-in-docker should make it fairly easy to get into a running container with the framework of your choice.


# Test Antigen with the oldest version of ZSH
$ ./test-in-docker antigen
# Test Prezto with ZSH version 5.2
$ ./test-in-docker --zsh 5.2 prezto

You can get Docker at

Note: Not all frameworks work with all versions of ZSH (or the underlying OS).


Currently there are two test VMs. test-vm is an Ubuntu machine with several pre-installed ZSH frameworks. And there is test-bsd-vm which is a FreeBSD! For how to run the machines see here.

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