[Commonizer] Add tests for CommonizerTarget

native/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/CommonizerTargetTest.kt

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.descriptors.commonizer
+
+import org.jetbrains.kotlin.konan.target.KonanTarget
+import org.junit.Test
+import kotlin.test.assertEquals
+
+class CommonizerTargetTest {
+
+    @Test
+    fun leafTargetNames() {
+        listOf(
+            Triple("foo", "[foo]", FOO),
+            Triple("bar", "[bar]", BAR),
+            Triple("baz_123", "[baz_123]", BAZ),
+        ).forEach { (name, prettyName, target: LeafTarget) ->
+            assertEquals(name, target.name)
+            assertEquals(prettyName, target.prettyName)
+        }
+    }
+
+    @Test
+    fun sharedTargetNames() {
+        listOf(
+            "[foo]" to SharedTarget(FOO),
+            "[foo, bar]" to SharedTarget(FOO, BAR),
+            "[foo, bar, baz_123]" to SharedTarget(FOO, BAR, BAZ),
+            "[foo, bar, baz_123, [foo, bar]]" to SharedTarget(FOO, BAR, BAZ, SharedTarget(FOO, BAR))
+        ).forEach { (prettyName, target: SharedTarget) ->
+            assertEquals(prettyName, target.prettyName)
+            assertEquals(prettyName, target.name)
+        }
+    }
+
+    @Test
+    fun prettyCommonizedName() {
+        val sharedTarget = SharedTarget(FOO, BAR, BAZ)
+        listOf(
+            "[foo(*), bar, baz_123]" to FOO,
+            "[foo, bar(*), baz_123]" to BAR,
+            "[foo, bar, baz_123(*)]" to BAZ,
+            "[foo, bar, baz_123]" to sharedTarget
+        ).forEach { (prettyCommonizerName, target: CommonizerTarget) ->
+            assertEquals(prettyCommonizerName, target.prettyCommonizedName(sharedTarget))
+        }
+    }
+
+    @Test(expected = IllegalStateException::class)
+    fun prettyCommonizedNameFailure() {
+        FOO.prettyCommonizedName(SharedTarget(BAR, BAZ))
+    }
+
+    @Test(expected = IllegalArgumentException::class)
+    fun sharedTargetNoInnerTargets() {
+        SharedTarget(emptySet())
+    }
+
+    private companion object {
+        val FOO = LeafTarget("foo")
+        val BAR = LeafTarget("bar", KonanTarget.IOS_X64)
+        val BAZ = LeafTarget("baz_123", KonanTarget.MACOS_X64)
+
+        @Suppress("TestFunctionName")
+        fun SharedTarget(vararg targets: CommonizerTarget) = SharedTarget(linkedSetOf(*targets))
+    }
+}