[mpp, tests] Add tests for rendering KpmTestCases

libraries/tools/kotlin-project-model/src/test/kotlin/org/jetbrains/kotlin/project/model/infra/KpmCoreCasesRenderingTests.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-2022 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.project.model.infra
+
+import org.intellij.lang.annotations.Language
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Test
+
+class KpmCoreCasesRenderingTests : KpmCoreCasesTestRunner {
+    @Test
+    override fun testSimpleProjectToProject(case: KpmTestCase) {
+        case.expectRenderedDsl(
+            """
+                val SimpleProjectToProject = describeCase("SimpleProjectToProject") {
+                    project("a") {
+                        module("main") {
+                            jvm()
+                            macosX64()
+                
+                            common depends project("b")
+                        }
+                    }
+                
+                    project("b") {
+                        module("main") {
+                            jvm()
+                            macosX64()
+                        }
+                    }
+                }
+            """.trimIndent()
+        )
+    }
+
+    @Test
+    override fun testSimpleTwoLevel(case: KpmTestCase) {
+        case.expectRenderedDsl(
+            """
+            val SimpleTwoLevel = describeCase("SimpleTwoLevel") {
+                project("p") {
+                    module("main") {
+                        jvm()
+                    }
+                }
+            }               
+            """.trimIndent()
+        )
+    }
+
+    private fun KpmTestCase.expectRenderedDsl(@Language("kotlin") expected: String) {
+        Assertions.assertEquals(expected.trim(), this.renderDeclarationDsl().trim())
+    }
+}