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28 commits

Author SHA1 Message Date
Christian Duerr
ac93f6d031 Truncate invisible lines before storing ref-tests
Because there is no good way to store invisible lines in a backwards-
and forwards-compatible way, they buffer now gets truncated before
dumping the state of a grid when creating a ref-test.

This involved a few workaround of which a few required adding additional
methods which are only used in ref-tests, these should be minimal
though.

Since this required the creation of a truncation method anyways, some
logic has been added which automatically truncates the invisible buffer
when there are more than X (set to 100) invisible lines. This should not
impact performance because it rarely occurs, but it could save a bit of
memory when the history size is shrunk during runtime (see #1293).

This also adds an optional `config.json` file to the ref-test output
where it is possible to manually specify variables which should override
config defaults, this has been used only for history_size so far.

Creating a new ref-test does also still work, so there was no regression
here, if history size is altered, the config.json just has to be created
manually with the content `{"history_size":HIST_SIZE}`, where
`HIST_SIZE` is the desired history size.
2018-06-02 09:56:50 -07:00
Christian Duerr
8168d85a21 Improve storage comparison algorithm
Instead of iterating over the raw storage vector because the offsets
don't allow direct comparison, the comparison is now done in chunks.
Based on benchmarking this is a lot more efficient than using split_off
+ append or iterating over the elements of the buffer.

The `history_size` field has also been removed from the storage
structure because it can be easily calculated by substracting the number
of visible lines from the length of the raw storage vector.
2018-06-02 09:56:50 -07:00
Christian Duerr
d39370514a Reset grid content when running reset
In the current scrollback PR the `reset` command does not affect the
scrollback history. To make sure the terminal is properly reset, it
should clear the scrollback history.

This commit fixes this by creating a new and empty grid whenever `reset`
is executed. It takes the current dimensions and history size from the
old grid.

Right now there's an empty ref-test called `grid_reset` without any
content, this should be implemented once #1244 is resolved.

This fixes #1242.
2018-06-02 09:56:50 -07:00
Christian Duerr
2234234ca9 Enable history comparison in ref-tests
Previously ref-tests just ignored the scrollback history to keep
the old tests working, this would lead to new tests which rely on
scrollback history to succeeed even though they should not.

This has been fixed and it is now possible to create ref-tests with and
without scrollback history. When available the scrollback history is
compared, but the old tests still work without having to adjust them.

This fixes #1244.
2018-06-02 09:56:50 -07:00
Joe Wilm
4ed25009c4 Remove some unused methods and impls 2018-06-02 09:24:38 -07:00
Joe Wilm
bbe276e3a8 Back Grid with VecDeque
VecDeque offers improved performance beyond a plain Vec for common
scrolling situations (full screen scroll). Additionally, VecDeque is
necessary for performant scrollback since recycling old rows for a Vec
would be expensive (push/pop front would shift entire vec).
2018-06-02 09:24:38 -07:00
Joe Wilm
2bda79d94c Add ref test for 855 2017-11-11 09:23:43 -08:00
Joe Wilm
faece31854 Run all ref tests
There were two ref tests that were not being run. Oops!
2017-11-11 09:23:43 -08:00
Joe Wilm
c8dcbd3308 Add ref test for CSI REP 2017-09-30 16:30:04 -07:00
Joe Wilm
f298e0455a Fix bug with tab rendering
Closes #494.
Resolves #529.
Resolves #512.
Resolves #493.
2017-05-01 09:56:42 -07:00
Joe Wilm
09031decc0 Support insert mode 2017-05-01 08:21:42 -07:00
Joe Wilm
7d20d29f37 Implement tab stop manipulation
Adds implementations for TBC (tabulation clear) and HTS (set horizontal
tabstop).
2017-05-01 08:21:42 -07:00
Joe Wilm
8963e97a5a Add more vttest ref tests 2017-04-19 20:24:02 -07:00
Joe Wilm
811cb266d2 Add reftest for vttest 2 scroll 2017-04-19 20:19:04 -07:00
Joe Wilm
7bc1691b0f Add ref test for tab rendering 2017-04-04 09:03:33 -07:00
Joe Wilm
79576b6c0b Add better printing for ref test failure
The previous format was extremely difficult for a human to parse.
2017-04-03 20:44:23 -07:00
Joe Wilm
53507ce7d0 Add ref test for tab background highlighting
Generated with

    echo -e "\x1b[48;5;31m1\t2\n\n3\x1b[0;m"
2017-02-27 08:05:11 -08:00
Joe Wilm
59295e4431 Add zsh tab completion ref test 2017-02-07 08:08:08 -08:00
Joe Wilm
f2f750f9f3 Alacritty now compiles on stable Rust 🎉 2017-02-03 08:11:19 -08:00
Danny Dulai
e04584b082 support for inverting the cursor or using colors 2017-01-29 16:06:29 -08:00
Steven Fackler
41f99dc4c0 Dynamically generate test harness
This uses the rustc-test crate, a copy of the standard test crate, to
dynamically create tests for each reference test. No need to remember to
update the macro, just add the directory to ref!
2017-01-23 08:59:54 -08:00
quininer kel
0a53d3cb86 add fish_cc ref
and update Cargo.lock
2016-12-16 18:39:51 +08:00
Joe Wilm
ed48d08c03 Implement Handler::identify_terminal for Term
The identify_terminal function signature had to change to support
writing to the terminal before processing additional input.
2016-12-11 20:23:41 -08:00
Joe Wilm
23e36f1925 Add support for indexed colors
ANSI escape sequences like `\x1b[48;5;10m` were not supported until now.
Specifically, the second attribute, 5, says that the following attribute
is a color index.

The ref tests were updated since `enum Color` variants changed.
2016-12-11 20:23:41 -08:00
Joe Wilm
30bee80a69 Refactor cell selection out of renderer
The terminal now has a `renderable_cells()` function that returns a
`RenderableCellIter` iterator. This allows reuse of the cell selection
code by multiple renderers, makes it testable, and makes it
independently optimizable.

The render API now takes an `Iterator<Item=IndexedCell>` to support both
the new renderable cells iterator and the `render_string()` method which
generates its own iterator.

The `vim_large_window_scoll` ref test was added here because it provides
a nice large and busy grid to benchmark the cell selection with.
2016-12-11 20:23:41 -08:00
Joe Wilm
52a3b0aece Remove unnecessary slicing
json::from_str takes a &str which will auto deref from &String.
2016-11-20 07:45:18 -08:00
Joe Wilm
0dfba30181 Add a number of simple ref-tests
Also adds a feature `err-println` for enabling `err_println!` printing.
2016-11-19 21:34:22 -08:00
Joe Wilm
66dbd29cd1 Add support for recording/running ref tests
Ref tests use a recording of the terminal protocol and a serialization
of the grid state to check that the parsing and action handling systems
produce the correct result. Ref tests may be recorded by running
alacritty with `--ref-test` and closing the terminal by using the window
"X" button. At that point, the recording is fully written to disk, and a
serialization of important state is recorded. Those files should be
moved to an appropriate folder in the `tests/ref/` tree, and the
`ref_test!` macro invocation should be updated accordingly.

A couple of changes were necessary to make this work:

* Ref tests shouldn't create a pty; the pty was refactored out of the
  `Term` type.
* Repeatable lines/cols were needed; on startup, the terminal is resized
* by default to 80x24 though that may be changed by passing
  `--dimensions w h`.
* Calculating window size based on desired rows/columns and font metrics
  required making load_font callable multiple times.
* Refactor types into library crate so they may be imported in an
  integration test.
* A whole bunch of types needed symmetric serialization and
  deserialization. Mostly this was just adding derives, but the custom
  deserialization of Rgb had to change to a deserialize_with function.

This initially adds one ref test as a sanity check, and more will be
added in subsequent commits. This initial ref tests just starts the
terminal and runs `ll`.
2016-11-19 21:34:11 -08:00