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Render custom tag briefs for enum entries and constructor #4265

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Render custom tag briefs for enum entries and constructor #4265

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024109f
Render content for custom tag briefs for enum entries and constructors
strangesource Sep 17, 2025
ba79e81
Minimal unit test
strangesource Sep 17, 2025
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2 changes: 2 additions & 0 deletions .../src/main/kotlin/org/jetbrains/dokka/base/translators/documentables/DefaultPageCreator.kt
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -519,6 +519,7 @@ public open class DefaultPageCreator(
ds.forEach {
+buildSignature(it)
contentForBrief(it)
contentForCustomTagsBrief(it)
}
}
}
Expand Down Expand Up @@ -552,6 +553,7 @@ public open class DefaultPageCreator(
ds.forEach {
+buildSignature(it)
contentForBrief(it)
contentForCustomTagsBrief(it)
}
}
}
Expand Down
189 changes: 189 additions & 0 deletions dokka-subprojects/plugin-base/src/test/kotlin/content/CustomTagContentProviderTest.kt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,189 @@
/*
* Copyright 2014-2025 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/

package content

import matchers.content.assertNode
import matchers.content.check
import matchers.content.group
import matchers.content.header
import matchers.content.link
import matchers.content.platformHinted
import matchers.content.skipAllNotMatching
import matchers.content.table
import org.jetbrains.dokka.DokkaConfiguration
import org.jetbrains.dokka.base.DokkaBase
import org.jetbrains.dokka.base.testApi.testRunner.BaseAbstractTest
import org.jetbrains.dokka.base.transformers.pages.tags.CustomTagContentProvider
import org.jetbrains.dokka.base.translators.documentables.PageContentBuilder
import org.jetbrains.dokka.model.doc.CustomTagWrapper
import org.jetbrains.dokka.pages.ContentKind
import org.jetbrains.dokka.pages.ContentPage
import org.jetbrains.dokka.plugability.DokkaPlugin
import org.jetbrains.dokka.plugability.DokkaPluginApiPreview
import org.jetbrains.dokka.plugability.Extension
import org.jetbrains.dokka.plugability.PluginApiPreviewAcknowledgement
import kotlin.test.Test
import kotlin.test.assertEquals

class CustomTagContentProviderTest : BaseAbstractTest() {

val configuration = dokkaConfiguration {
suppressObviousFunctions = false
sourceSets {
sourceSet {
sourceRoots = listOf("src/main/kotlin")
}
}
}

@Test
fun `custom tag content provider brief is present for constructors`(){
testInline(
"""
|/src/main/kotlin/com/example/foo.kt
|package com.example
|
|class Foo {
|/**
| * @customTag custom tag for constructor
| */
| constructor()
|}
""".trimIndent(),
configuration,
pluginOverrides = listOf(TestPluginWithCustomTagContentProvider())
) {
renderingStage = { rootPageNode, _ ->
val page = rootPageNode.children
.flatMap { it.children }
.filterIsInstance<ContentPage>()
.single { it.name == "Foo" }

page.content.assertNode {
skipAllNotMatching()
group {
group {
group {
header { +"Constructors" }
table {
group {
link { +"Foo" }
platformHinted {
group {
skipAllNotMatching()
}
group {
check {
assertEquals(dci.kind, ContentKind.BriefComment)
}
skipAllNotMatching()
}
group {
group {
+"custom tag for constructor"
}
}
skipAllNotMatching()
}
skipAllNotMatching()
}
}
skipAllNotMatching()
}
}
skipAllNotMatching()
}
}
}
}
}

@Test
fun `custom tag content provider brief is present in Entries table for enums`() {
testInline(
"""
|/src/main/kotlin/com/example/foo.kt
|package com.example
|
|enum class Foo {
|/**
| * @customTag custom tag for a
| */
| A
|}
""".trimIndent(),
configuration,
pluginOverrides = listOf(TestPluginWithCustomTagContentProvider())
) {
renderingStage = { rootPageNode, _ ->
val page = rootPageNode.children
.flatMap { it.children }
.filterIsInstance<ContentPage>()
.single { it.name == "Foo" }

page.content.assertNode {
skipAllNotMatching()
group {
group {
group {
header { +"Entries" }
table {
group {
link { +"A" }
platformHinted {
group {
skipAllNotMatching()
}
group {
check {
assertEquals(dci.kind, ContentKind.BriefComment)
}
skipAllNotMatching()
}
group {
group {
+"custom tag for a"
}
}
skipAllNotMatching()
}
skipAllNotMatching()
}
}
skipAllNotMatching()
}
}
skipAllNotMatching()
}
}
}
}
}
}

class TestPluginWithCustomTagContentProvider : DokkaPlugin() {
@Suppress("unused") // This delegated property has a desired side effect.
val customCodeContentProvider: Extension<CustomTagContentProvider, *, *> by extending {
plugin<DokkaBase>().customTagContentProvider providing {
TestCustomTagContentProvider()
}
}

@DokkaPluginApiPreview
override fun pluginApiPreviewAcknowledgement() = PluginApiPreviewAcknowledgement
}

class TestCustomTagContentProvider : CustomTagContentProvider {
override fun isApplicable(customTag: CustomTagWrapper): Boolean {
return customTag.name == "customTag"
}

override fun PageContentBuilder.DocumentableContentBuilder.contentForBrief(
sourceSet: DokkaConfiguration.DokkaSourceSet,
customTag: CustomTagWrapper
) {
comment(customTag.children.single())
}
}
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