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mirror of https://github.com/mawww/kakoune.git synced 2024-11-28 09:07:19 +03:00
kakoune/test
Maxime Coste 14f7d2637c Fix test and re-add triple_string support in python highlighting
Triple strings are now distinct from docstrings, triple strings
only preceeded by blanks on the line are considered docstrings.

Avoid highlighting of the closing marker using a lookahead, this
is not fully correct as it will break on a double quote triple
docstring containing a single quote triple string but that seems
improbable enough; if we encounter this in the wild we can split
the two docstring formats into separate regions.
2020-11-23 08:45:59 +11:00
..
compose Ignore indent when completing lines 2020-11-20 20:00:46 +00:00
display test: Allow expect-style UI tests, testing any var 2019-10-13 14:57:24 -04:00
highlight Fix escaping of single quotes in rust value highlighting test 2020-07-31 07:55:27 +10:00
hooks Change remove-hooks to take a regular expression 2018-09-12 21:26:21 +10:00
indent Rust always indent after { 2020-10-04 23:40:49 +08:00
normal Support explicit register for :, |, ! and $ commands 2020-10-20 21:56:51 +11:00
regression Fix test and re-add triple_string support in python highlighting 2020-11-23 08:45:59 +11:00
shell Expand env vars as list of strings 2020-03-02 20:53:28 +11:00
README.asciidoc test: Update the README to describe the current test API. 2020-11-21 16:57:08 +11:00
run Drain ui-out to avoid deadlock with small pipe buffers 2020-06-10 09:26:32 +10:00

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Regression test
===============

:unified-context-diff: https://en.wikipedia.org/wiki/Diff#Unified_format

Source structure
----------------

----------------------------------------------
.
├── unit
│   └── …
└── compose
    └── …
        ├── [enabled]    → applicability
        ├── [rc]         → configuration
        ├── [in]         → start file
        ├── cmd          → command
        ├── [script]     → UI automation
        ├── [out]        → expected end file
        ├── [kak_*]      → expected expansion values
        └── [error]      → expected error
----------------------------------------------

Usage
-----

To test, just type +run [test]+ in the +test+ directory.
It will print each passing test.  If a test fails, a {unified-context-diff}[unified context diff]
is printed showing the tests expected output and the actual output.

Details
-------

+enabled+ is optional.
If it exists and is executable,
it is invoked with no parameters.
If it exits with a non-zero exit code,
the test is assumed to be not applicable to the current environment
(for example, a test for OS-specific integration
isn't useful on a different OS)
and will be silently skipped.

+rc+ is optional
and should contain a sequence of commands,
_e.g._, +set-option+, +define-command+, +declare-option+.
+rc+ is sourced and evaluated before the +cmd+ key sequence is executed.

+in+ is optional
and should contain the initial text loaded into the input buffer
for editing by the +cmd+ key sequence.

+cmd+ is required
and should contain a key sequence that will edit the input buffer.
+cmd+ is executed after the +rc+ command sequence is sourced.

+script+ is optional
and is a shell-script that will be sourced after +cmd+ is executed.
The special +ui_in+ function sends a string
(expected to be a JSON UI message,
see `doc/json_ui.asciidoc` in the Kakoune source)
to the running Kakoune instance,
while the special +ui_out+ function
checks the next JSON UI messages from Kakoune
against its arguments,
and fails the test if any of them are different.

You can also say `ui_out -ignore N` to ignore the next _N_ JSON UI messages,
where _N_ is a positive integer. 

+out+ is optional
and should contain the expected text generated by the +cmd+ key sequence.

If the actual +out+ text
does not match the expected content in the corresponding file,
the unit test will fail.

If there is no +out+
then the unit test will always succeed.

Any +kak_*+ files should match the corresponding expansion
after +cmd+ is complete.
For example, a file named +kak_selection_desc+
should match the +%val{selection_desc}+ expansion.
See `:doc expansions` for a list of available expansions.

If there is an +error+ file,
the test is expected to produce an error.
If Kakoune exits successfully,
or if it fails with the wrong error,
the test is marked as a failure.