Add missing APIs to GradleEnterpriseApi (#174)

The beta `ProjectsApi` (added in 2023.3) and `TestsApi` (added in
2023.4) weren't accessible from `GradleEnterpriseApi`. Fix and an
integration test to prevent it from happening again.

library/build.gradle.kts

@@ -201,6 +201,7 @@ testing {
         register<JvmTestSuite>("integrationTest") {
             dependencies {
                 implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
+                implementation("com.google.guava:guava:33.1.0-jre")
             }
         }
         withType<JvmTestSuite>().configureEach {

library/src/integrationTest/kotlin/com/gabrielfeo/gradle/enterprise/api/GradleEnterpriseApiIntegrationTest.kt

@@ -1,10 +1,15 @@
 package com.gabrielfeo.gradle.enterprise.api
 
 import com.gabrielfeo.gradle.enterprise.api.internal.*
+import com.google.common.reflect.ClassPath
 import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.assertDoesNotThrow
+import kotlin.reflect.KVisibility.PUBLIC
+import kotlin.reflect.full.memberProperties
+import kotlin.reflect.javaType
 import kotlin.test.*
 
+@OptIn(ExperimentalStdlibApi::class)
 class GradleEnterpriseApiIntegrationTest {
 
     @Test
@@ -33,4 +38,26 @@ class GradleEnterpriseApiIntegrationTest {
             GradleEnterpriseApi.newInstance(config)
         }
     }
+
+    @Test
+    fun mainApiInterfaceExposesAllGeneratedApiClasses() = runTest {
+        val generatedApiTypes = getGeneratedApiTypes()
+        val mainApiInterfaceProperties = getMainApiInterfaceProperties()
+        generatedApiTypes.forEach {
+            mainApiInterfaceProperties.singleOrNull { type -> type == it }
+                ?: fail("No property in GradleEnterpriseApi for $it")
+        }
+    }
+
+    private fun getGeneratedApiTypes(): List<String> {
+        val cp = ClassPath.from(this::class.java.classLoader)
+        return cp.getTopLevelClasses("com.gabrielfeo.gradle.enterprise.api")
+            .filter { it.simpleName.endsWith("Api") }
+            .filter { !it.simpleName.endsWith("GradleEnterpriseApi") }
+            .map { it.name }
+    }
+
+    private fun getMainApiInterfaceProperties() = GradleEnterpriseApi::class.memberProperties
+        .filter { it.visibility == PUBLIC }
+        .map { it.returnType.javaType.typeName }
 }

library/src/main/kotlin/com/gabrielfeo/gradle/enterprise/api/GradleEnterpriseApi.kt

@@ -35,6 +35,8 @@ interface GradleEnterpriseApi {
 
     val buildsApi: BuildsApi
     val buildCacheApi: BuildCacheApi
+    val projectsApi: ProjectsApi
+    val testsApi: TestsApi
     val metaApi: MetaApi
     val testDistributionApi: TestDistributionApi
 
@@ -78,6 +80,8 @@ internal class RealGradleEnterpriseApi(
 
     override val buildsApi: BuildsApi by lazy { retrofit.create() }
     override val buildCacheApi: BuildCacheApi by lazy { retrofit.create() }
+    override val projectsApi: ProjectsApi by lazy { retrofit.create() }
+    override val testsApi: TestsApi by lazy { retrofit.create() }
     override val metaApi: MetaApi by lazy { retrofit.create() }
     override val testDistributionApi: TestDistributionApi by lazy { retrofit.create() }