1 files changed, 64 insertions, 0 deletions
diff --git a/plugins/base/src/test/kotlin/renderers/html/SourceSetFilterTest.kt b/plugins/base/src/test/kotlin/renderers/html/SourceSetFilterTest.kt
new file mode 100644
index 00000000..e6155535
--- /dev/null
+++ b/plugins/base/src/test/kotlin/renderers/html/SourceSetFilterTest.kt
@@ -0,0 +1,64 @@
+package renderers.html
+
+import org.jetbrains.dokka.base.testApi.testRunner.BaseAbstractTest
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import signatures.renderedContent
+import utils.TestOutputWriterPlugin
+
+class SourceSetFilterTest : BaseAbstractTest() {
+
+    @Test // see #3011
+    fun `should separate multiple data-filterable attribute values with comma`() {
+        val configuration = dokkaConfiguration {
+            moduleName = "Dokka Module"
+
+            sourceSets {
+                val common = sourceSet {
+                    name = "common"
+                    displayName = "common"
+                    analysisPlatform = "common"
+                    sourceRoots = listOf("src/commonMain/kotlin/testing/Test.kt")
+                }
+                sourceSet {
+                    name = "jvm"
+                    displayName = "jvm"
+                    analysisPlatform = "jvm"
+                    dependentSourceSets = setOf(common.value.sourceSetID)
+                    sourceRoots = listOf("src/jvmMain/kotlin/testing/Test.kt")
+                }
+            }
+        }
+
+        val source = """
+            |/src/commonMain/kotlin/testing/Test.kt
+            |package testing
+            |
+            |expect open class Test
+            |
+            |/src/jvmMain/kotlin/testing/Test.kt
+            |package testing
+            |
+            |actual open class Test
+        """.trimIndent()
+
+        val writerPlugin = TestOutputWriterPlugin()
+        testInline(
+            source,
+            configuration,
+            pluginOverrides = listOf(writerPlugin)
+        ) {
+            renderingStage = { _, _ ->
+                val packagePage = writerPlugin.writer.renderedContent("-dokka -module/testing/index.html")
+
+                val testClassRow = packagePage
+                    .select("div[data-togglable=TYPE]")
+                    .select("div[class=table-row]")
+                    .single()
+
+                assertEquals("Dokka Module/common,Dokka Module/jvm", testClassRow.attr("data-filterable-current"))
+                assertEquals("Dokka Module/common,Dokka Module/jvm", testClassRow.attr("data-filterable-set"))
+            }
+        }
+    }
+}