Port some of the core tests from the previous model

1 files changed, 68 insertions, 0 deletions

diff --git a/plugins/base/src/test/kotlin/utils/TestUtils.kt b/plugins/base/src/test/kotlin/utils/TestUtils.kt
new file mode 100644
index 00000000..641c68a2
--- /dev/null
+++ b/plugins/base/src/test/kotlin/utils/TestUtils.kt
@@ -0,0 +1,68 @@
+package utils
+
+import org.jetbrains.dokka.model.Class
+import org.jetbrains.dokka.model.Documentable
+import org.jetbrains.dokka.model.Function
+import org.jetbrains.dokka.model.Property
+import org.jetbrains.dokka.model.doc.*
+import testApi.testRunner.AbstractCoreTest
+import kotlin.reflect.KClass
+import kotlin.reflect.full.safeCast
+
+@DslMarker
+annotation class TestDSL
+
+@TestDSL
+abstract class ModelDSL : AbstractCoreTest() {
+    operator fun Documentable?.div(name: String): Documentable? =
+        this?.children?.find { it.name == name }
+
+    inline fun <reified T : Documentable> Documentable?.cast(): T =
+        (this as? T).assertNotNull()
+}
+
+@TestDSL
+interface AssertDSL {
+    infix fun Any?.equals(other: Any?) = this.assertEqual(other)
+    infix fun Collection<Any>?.allEquals(other: Any?) =
+        this?.also { c -> c.forEach { it equals other } } ?: run { assert(false) { "Collection is empty" } }
+
+    infix fun <T> Collection<T>?.counts(n: Int) = this.orEmpty().assertCount(n)
+
+    infix fun <T> T?.notNull(name: String): T = this.assertNotNull(name)
+
+    fun <T> Collection<T>.assertCount(n: Int, prefix: String = "") =
+        assert(count() == n) { "${prefix}Expected $n, got ${count()}" }
+
+    fun <T> T?.assertEqual(expected: T, prefix: String = "") = assert(this == expected) {
+        "${prefix}Expected $expected, got $this"
+    }
+}
+
+inline fun <reified T : Any> Any?.assertIsInstance(name: String): T =
+    this.let { it as? T } ?: throw AssertionError("$name should not be null")
+
+fun List<DocumentationNode>.commentsToString(): String =
+    this.flatMap { it.children }.joinToString(separator = "\n") { it.root.docTagSummary() }
+
+fun TagWrapper.text(): String = when (val t = this) {
+    is NamedTagWrapper -> "${t.name}: [${t.root.text()}]"
+    else -> t.root.text()
+}
+
+fun DocTag.text(): String = when (val t = this) {
+    is Text -> t.body
+    is Code -> t.children.joinToString("\n") { it.text() }
+    is P -> t.children.joinToString(separator = "\n") { it.text() }
+    else -> t.toString()
+}
+
+fun <T : Documentable> T?.comments(): String = docs().map { it.text() }
+    .joinToString(separator = "\n") { it }
+
+fun <T> T?.assertNotNull(name: String = ""): T = this ?: throw AssertionError("$name should not be null")
+
+fun <T : Documentable> T?.docs() = this?.documentation.orEmpty().values.flatMap { it.children }
+
+val Class.supers
+    get() = supertypes.flatMap{it.component2()}
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