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Release notes

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

9.3.0

Features

  • You can Monkey Patch your doubles! You can make any method in a double call a specified Callable using .to_call(callable) on stub. Details are on the Stubbing wiki page.
var dbl = double(MyScript)
stub(dbl.some_method).to_call(func(): print("Monkey Patched!"))
  • You can now use callables to stub insetad of passing the object and method name. Binding arguments adds an implicit when_passed to the stub. Less strings, less typing!
var dbl = double(MyScript)
# same as stub(dbl, "some_method").to_return(111)
stub(dbl.some_method).to_return(111)

# same as stub(dbl, 'some_method').to_return(999).when_passed("a")
stub(dbl.some_method.bind("a")).to_return(999)
  • @WebF0x GUT can now wait on a Callable to return true (aka predicate method) via the new wait_until:
# Call the function once per frame until it returns 5 or one second has elapsed.
await wait_until(func(): return randi_range(0, 20)==5, 1)
  • wait_for_signal and the new wait_until return true if they did not timeout, and false otherwise. This means waiting on, and asserting a signal has been emitted can now be written as
assert_true(await wait_for_signal(my_obj.my_singal, 2),
    'signal should emit before 2 seconds')
  • @mphe GUT now automatically enables the "Exclude Addons" option when running tests. This means you don't have to keep enabling/disabling this option if GUT does not conform to your warning/error settings.
  • GUT disables warnings at key points in execution and then re-enables them. This makes running GUT possible (or at least easier) with warning levels incompatable with GUT source code. This also makes the ouput less noisy.
  • @plink-plonk-will Elapsed time is now included in the XML export.
  • Issue #612 InputSender now sets the button_mask property for generated mouse motion events when mouse buttons have been pressed but not released prior to a motion event.
  • Issue #598 Added the virtual method should_skip_script to GutTest. If you impelement this method and return true or a String, then GUT will skip the script. Skipped scripts are marked as "risky" in the final counts. This can be useful when skipping scripts that should not be run under certiain circumstances such as:
    • You are porting tests from 3.x to 4.x and you don't want to comment everything out.
    • Skipping tests that should not be run when in headless mode.
    func should_skip_script():
    if DisplayServer.get_name() == "headless":
        return "Skip Input tests when running headless"
    • If you have tests that would normally cause the debugger to break on an error, you can skip the script if the debugger is enabled so that the run is not interrupted.
    func should_skip_script():
    return EngineDebugger.is_active()
  • The CLI got an update to its Option Parser. There's more info in #623:
    • options that take a value can now be specified with a space (option value) instead of using option=value.
    • -gh option now has headings for the different options. It looks a lot better.
    • -gdir and -gtest can be specified multiple times instead of using a comma delimited list.
    • You can use -gconfig= to not use a config file.
  • Minor niceties such as showing that GUT is exiting in the title bar (takes a bit sometimes) and switching to full display at the end of a run if GUT does not automatically exit.

Bug Fixes

  • Issue #601 doubles now get a resource path that makes Godot ignore them when "Exclude Addons" is enabled (res://adddons/gut/not_a_real_file/...).
  • Issue #594 An error is generated if GUT cannot find the double template files. This can happen if you export your game with tests, but do not include *.txt files.
  • Issue #595 When no tests are run GUT no longer displays "All Tests Passed!" and exits (based off of settings).
  • Issue #578 Fix InputSender so it works with Input.is_action_just_pressed, Input.is_action_just_released and Input.is_action_pressed. Thanks @lxkarp and @edearth for you work on this.

Deprecations

  • The optional GutTest script variable skip_script has been deprecated. Use the new should_skip_script method instead.
  • GUT now warns if you have overridden _ready in your test script without calling super._ready.

9.2.1

  • Issue #570 Doubling scripts that contain a statically typed variable of another class_name script (var foo := Foo.new() where foo is a class_name in another script) could cause errors.
  • Add support for running tests through the debugger via VSCode via the gut-extension.

9.2.0

Configuration Changes

  • The GUT Panel config is now auto-saved/loaded to user:// instead of res://. This file changes a lot and is very annoying with version control and teams that have more than one person (which is all teams since there is no "I" in team).
    • The new location is user://gut_temp_directory/gut_editor_config.json
    • When you open your project, GUT will check to see if there is a file in the new location. If not, it will copy it there.
    • GUT prints a warning to `Output`` telling you that you can delete the old file.
  • You can now Save/Load configs to/from anywhere through the Settings Subpanel.
    • Saving/Loading does not change where the GUT panel auto-saves/loads to.
    • This allows you to define standard config files for your project, but not save any changes in a version controlled file (unless you explicitly resave it using the cool new Save As button).
  • The GUT Panel Shortcuts config file has also been moved. GUT also moves this file automatically and prints a warning.
    • The new location is user://gut_temp_directory/gut_editor_shortcuts.cfg
  • All files that were being saved in user:// have been moved to user://gut_temp_directory for better house keeping.

Features

  • The Settings Subpanel now has on/off switches for directories, so you can turn them off if you want to run a subset of tests.
  • Wiki moved to https://gut.readthedocs.io

Bug Fixes

  • Issue #479 source_code_pro.fnt was malformed, is now bienformed.
  • Issue #549 @andrejp88 debug/gdscript/warnings/untyped_declaration as error would break GUT due to dynamic code generation.
  • Issue #536 Theme refernces font instead of embedding it.
  • Issue #523 "got" values are printed with extra precision for float, Vector2, and Vector3 when using assert_almost_eq, assert_almost_ne, assert_between and assert_not_between.
  • Issue #436 Doubled Scenes now retain export variable values that were set in the editor.
  • Issue #547 The output_font_name and output_font_size for the GutPanel are now saved.
  • PR #544 (@xorblo-doitus) InputSender will now emit the gui_input signal on receivers.
  • Issue #473 Moved gut panel settings and gut options out of res:// so that multiple devs won't fight over files that are really user preferences.
    • Created some Editor Preferences for Gut to handle user only settings.
    • When running GUT from the editor, the config used by the runner is saved to user:// now.
    • You can load and save configs through the editor, so you can have a base set of settings that are not overwritten when running Gut.
    • Moved all files that Gut creates in user:// to user://gut_temp_directory.
    • Output Subanel related settings have moved to the Output Subpanel. Use the "..." button.
  • Issue #557 Tests are now found in exported projects.
  • Fixed issue where the panel was not loading the double strategy correctly.
  • Issue #542 GUT no longer generates orphans...again.

9.1.1

  • Fixed numerous issues with doubling that were caused by the port from 3.x. Most of these involved using the INCLUDE_NATIVE doubling strategy.
  • Added errors and better failure messages when trying to stub or spy on an invalid method. For example, if your script does not implement _ready and you try to spy on it, your test will now fail since _ready is virtual and you didn't overload it.
  • Doubled methods that have a vararg argument are now auto detected and extra parameters (up to 10) are added to the method signature to handle most use cases (i.e. rpc_id, emit_signal). If you call a doubled method that has a vararg argument and you have not stubbed param_count on the object's script then a warning is generated.
  • Fixed an issue where command line would not launch in 4.2rc1.
  • Issue #510 Added all types to strutils to address #510.
  • Issue #525 Signals are now disconnected when waiting on signals that do not fire in the expected amount of time.

9.1.0 (requires Godot 4.1)

  • GUT generated errors now cause tests to fail (not engine errors, just things GUT thinks are bad). You can disable this through the CLI, .gutconfig, or the panel.
  • Changes to Double Strategy and Double/Partial Double creation to fix #482.
    • See Double-Strategy in the wiki for more information.
    • The default strategy has been changed back to SCRIPT_ONLY (a bug caused it to change). Due to how the Godot Engine calls native methods, the overrides may not be called by the engine so spying and stubbing may not work in some scenarios.
    • Doubling now disables the Native Method Override warning/error when creating Doubles and Partial Doubles. The warning/error is turned off and then restored to previous value after a Double or Partial Double has been loaded.
    • The doubling strategy INCLUDE_SUPER has been renamed to INCLUDE_NATIVE.
    • If you have an invalid Double Strategy set via command line or gutconfig, the default will be used. So if you are explicity setting it to the old INCLUDE_SUPER, it will use SCRIPT_ONLY.
    • You can now set the default double strategy in the GutPanel in the Editor.
  • Added GutControl to aid in running tests in a deployed game. Instructions and sample code can be found in the wiki.
  • Issue 485 GUT prints a warning and ignores scripts that do not extend GutTest.
  • A lot of internal reworkings to simplify logging and info about test statuses. The summary changed and the final line printed by GUT is now the highest severity status of the run (i.e. failed > pending/risky > passed).
  • Issue 503 Fixed issue where GUT would not find script object when doubling PackedScenes.
  • Port PR 409 GUT's simulate function can now check is_processing and is_physics_processing when running thier respective methods.

9.0.1

  • Fix #475, you can now double scripts that use the new accessors.

9.0.0

9.0.0 is the first version of GUT released for Godot 4. Any version below 9.0.0 is for 3.x. See the GODOT_4_README.md in the godot_4 branch for changes to GUT from 3.x.

The wiki has not been updated yet for GUT 9.0.0, but it has been moved to the godot_4 branch so it can be edited via this repo. Changes to the wiki will be pushed to https://bitwes.github.io/GutWiki/Godot4/.