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# Tests
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## Automated Tests
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The Unit-Tests do not follow exactly the file structure of Powerlevel9k itself,
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but we try to reflect the structure as much as possible. All tests are located
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under `test/`. Segment specific tests under `test/segments/` (one file per
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segment).
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### Installation
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In order to execute the tests you need to install `shunit2`, which is a
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submodule. To install the submodule, you can execute
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`git submodule init && git submodule update`.
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### Executing tests
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The tests are shell scripts on their own. So you can execute them right away.
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To execute all tests you could just execute `./test/suite.spec`.
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### General Test Structure
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The tests usually have a `setUp()` function which is executed before every
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test function. Speaking of, test functions must be prefixed with `test`. In
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the tests, you can do [different Assertions](https://github.com/kward/shunit2#-asserts).
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It is always a good idea to mock the program you want to test (just have a
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look at other tests), so that the testrunner does not have to have all
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programs installed.
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### Travis
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We use [Travis](https://travis-ci.org/) for Continuous Integration. This
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service executes our tests after every push. For now, we need to tell travis
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where to find the tests, which is what happens in the `.travis.yml` file.
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## Manual Testing
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If unit tests are not sufficient (e.g. you have an issue with your prompt that
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occurs only in a specific ZSH framework) then you can use either Docker or
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or our Vagrant.
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### Docker
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This is the easiest to use _if_ you have Docker already installed and running.
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The command `./test-in-docker` should make it fairly easy to get into a running
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container with the framework of your choice.
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Examples:
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``` zsh
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# Test Antigen with the oldest version of ZSH
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$ ./test-in-docker antigen
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```
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``` zsh
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# Test Prezto with ZSH version 5.2
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$ ./test-in-docker --zsh 5.2 prezto
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```
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You can get Docker at <https://www.docker.com/community-edition>.
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**Note:** Not all frameworks work with all versions of ZSH (or the underlying OS).
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### Vagrant
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Currently there are two test VMs. `test-vm` is an Ubuntu machine with several
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pre-installed ZSH frameworks. And there is `test-bsd-vm` which is a FreeBSD!
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For how to run the machines see [here](test-vm/README.md).
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