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Allow plugins to contribute to the default configuration #4315

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merged 7 commits into from
Jan 2, 2022

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BraisGabin
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@BraisGabin BraisGabin commented Nov 20, 2021

We should allow that the detekt plugins could contribute with the configuration of it's rules (Slack comment and #3242. There are two places where we should allow this: when the core request the default configuration and when the user request to generare the configuration file.

With this PR if a plugin author adds a configuration file in their resources at the path config/config.yml detekt would concat it at the end of the configuration file.

This PR doesn't give any support to generate nor keep in sync those configurations files but I think that it should be doable in the future.

Related #3242
Closes #1103

@BraisGabin BraisGabin mentioned this pull request Nov 20, 2021
@BraisGabin BraisGabin added this to the 1.20.0 milestone Nov 20, 2021
@BraisGabin BraisGabin changed the base branch from main to improve-test-default-config November 20, 2021 20:13
Base automatically changed from improve-test-default-config to main November 20, 2021 20:57
@BraisGabin BraisGabin changed the base branch from main to simplify-yamlconfig November 20, 2021 21:37
Base automatically changed from simplify-yamlconfig to main November 24, 2021 09:47
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codecov bot commented Dec 1, 2021

Codecov Report

Merging #4315 (86e6526) into main (8a919d9) will decrease coverage by 0.07%.
The diff coverage is 73.91%.

Impacted file tree graph

@@             Coverage Diff              @@
##               main    #4315      +/-   ##
============================================
- Coverage     84.35%   84.28%   -0.08%     
- Complexity     3277     3283       +6     
============================================
  Files           473      472       -1     
  Lines         10357    10450      +93     
  Branches       1827     1863      +36     
============================================
+ Hits           8737     8808      +71     
- Misses          668      671       +3     
- Partials        952      971      +19     
Impacted Files Coverage Δ
...otlin/io/gitlab/arturbosch/detekt/cli/CliRunner.kt 7.14% <0.00%> (ø)
...b/arturbosch/detekt/core/tooling/AnalysisFacade.kt 62.85% <37.50%> (-3.81%) ⬇️
...otlin/io/gitlab/arturbosch/detekt/core/Analyzer.kt 81.81% <66.66%> (ø)
...ab/arturbosch/detekt/core/config/Configurations.kt 84.37% <66.66%> (ø)
...bosch/detekt/core/tooling/DefaultConfigProvider.kt 80.00% <77.77%> (ø)
...ab/arturbosch/detekt/cli/runners/ConfigExporter.kt 88.88% <100.00%> (+3.17%) ⬆️
.../arturbosch/detekt/core/config/ConfigValidators.kt 84.21% <100.00%> (+0.87%) ⬆️
...kt/core/config/DefaultPropertiesConfigValidator.kt 100.00% <100.00%> (ø)
...gitlab/arturbosch/detekt/core/tooling/Lifecycle.kt 100.00% <100.00%> (ø)
...detekt/tooling/api/DefaultConfigurationProvider.kt 100.00% <100.00%> (ø)
... and 5 more

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@BraisGabin
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It's difficult to unit test this >_<

@BraisGabin BraisGabin force-pushed the configure-config branch 2 times, most recently from 430327f to 627d2c1 Compare December 2, 2021 00:30
.use { it.copyTo(outputStream) }

ExtensionFacade(spec.extensionsSpec).pluginLoader
.getResourcesAsStream("config/config.yml")
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Do you think this path config/config.yml should be configurable? If not, we probably need to add documentation in

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@BraisGabin BraisGabin Dec 2, 2021

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I don't think this could be configurable.

We need to document this. But should we document it right now? Or should we wait to release it first? And probably we can create a tool to generate this files from our annotations. The same that we have already for detekt but working for anyone.

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If not configurable, should this be exposed in detekt-api so that other plugin authors could refer to this constant. (the prefixing config/ does look a bit awkward)

public final fun load (Ljava/lang/ClassLoader;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public static synthetic fun load$default (Lio/github/detekt/tooling/api/DefaultConfigurationProvider$Companion;Ljava/lang/ClassLoader;ILjava/lang/Object;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public final fun load (Lio/github/detekt/tooling/api/spec/ProcessingSpec;Ljava/lang/ClassLoader;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public static synthetic fun load$default (Lio/github/detekt/tooling/api/DefaultConfigurationProvider$Companion;Lio/github/detekt/tooling/api/spec/ProcessingSpec;Ljava/lang/ClassLoader;ILjava/lang/Object;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
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I assume that no one is calling this function nor implementing its own DefaultConfigurationProvider. But this change breaks code and binary compatibility. And I don't know how to implement it without this change.

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I think this breaking change is okay if it's highlighted in the changelog.

@BraisGabin BraisGabin marked this pull request as ready for review December 2, 2021 09:23
@cortinico cortinico added the notable changes Marker for notable changes in the changelog label Dec 2, 2021
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That's great stuff! Can I ask you to update the PR name to something more meaningful as it will be harder to search & understand in the changelog

@BraisGabin BraisGabin changed the title Configure config Allow plugins to contribute to the default configuration Dec 2, 2021
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That's great stuff! Can I ask you to update the PR name to something more meaningful as it will be harder to search & understand in the changelog

You are completely right.

public final fun load (Ljava/lang/ClassLoader;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public static synthetic fun load$default (Lio/github/detekt/tooling/api/DefaultConfigurationProvider$Companion;Ljava/lang/ClassLoader;ILjava/lang/Object;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public final fun load (Lio/github/detekt/tooling/api/spec/ProcessingSpec;Ljava/lang/ClassLoader;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
public static synthetic fun load$default (Lio/github/detekt/tooling/api/DefaultConfigurationProvider$Companion;Lio/github/detekt/tooling/api/spec/ProcessingSpec;Ljava/lang/ClassLoader;ILjava/lang/Object;)Lio/github/detekt/tooling/api/DefaultConfigurationProvider;
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I think this breaking change is okay if it's highlighted in the changelog.

Co-authored-by: M Schalk <30376729+schalkms@users.noreply.github.com>
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Looks good to me overall. Thank you for building this feature!

Co-authored-by: Chao Zhang <zhangchao6865@gmail.com>
@BraisGabin BraisGabin merged commit a7184d1 into main Jan 2, 2022
@BraisGabin BraisGabin deleted the configure-config branch January 2, 2022 17:55
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Great stuff! @BraisGabin can you add a paragraph in the UNRELEASED section of the Changelog to explain how this will work for the end user.

@BraisGabin
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@cortinico sorry but I don't know where do you want me to write it.

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@cortinico sorry but I don't know where do you want me to write it.

I meant here:

(we should create an #### UNRELEASED section and start populating the Changelog for 1.20.0).

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Do we happen to have a page in the documentation about this feature?

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No, we don't have it. I'll try to write somthing about it. A tool to automate it would be nice too (#4457).

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Detekt deactivates non activated rules by default which causes confusion for detekt extension authors
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