From b81964fa234d3cfb297d5887b35e7df02ce12bdf Mon Sep 17 00:00:00 2001
From: Victor Smirnov <53015676+vityaman@users.noreply.github.com>
Date: Wed, 20 Mar 2024 14:52:34 +0300
Subject: [PATCH] #12 Added Kover to check test coverage (#16)

---
 .github/workflows/gradle.yml                  |  8 +++--
 gateway/build.gradle.kts                      | 30 ++++++++++++++++---
 .../lms/gateway/GatewayApplicationTests.kt    | 16 ++++++++--
 3 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index c628898..2baf95e 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -20,5 +20,9 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
 
-      - name: Execute Gradle Build of Gateway
-        run: (cd gateway && ./gradlew build)
+      - name: Build Gateway
+        run: (cd gateway && ./gradlew :build)
+
+      - name: Test Gateway
+        run: (cd gateway && ./gradlew :koverHtmlReport)
+
diff --git a/gateway/build.gradle.kts b/gateway/build.gradle.kts
index 881692e..4f20986 100644
--- a/gateway/build.gradle.kts
+++ b/gateway/build.gradle.kts
@@ -9,6 +9,7 @@ plugins {
     id("org.openapi.generator") version "5.3.0"
     id("org.jlleitschuh.gradle.ktlint") version "12.1.0"
     id("io.gitlab.arturbosch.detekt") version "1.23.5"
+    id("org.jetbrains.kotlinx.kover") version "0.7.6"
     kotlin("jvm") version "1.9.22"
     kotlin("plugin.spring") version "1.9.22"
 }
@@ -16,6 +17,9 @@ plugins {
 group = "ru.itmo"
 version = "0.0.1"
 
+val jvmTarget = "21"
+val basePackage = "$group.lms.gateway"
+
 java {
     sourceCompatibility = JavaVersion.VERSION_21
 }
@@ -41,13 +45,14 @@ dependencies {
     annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("io.projectreactor:reactor-test")
+    testImplementation(kotlin("test"))
     detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:1.23.3")
 }
 
 tasks.withType<KotlinCompile> {
     kotlinOptions {
         freeCompilerArgs += "-Xjsr305=strict"
-        jvmTarget = "21"
+        jvmTarget = jvmTarget
     }
 }
 
@@ -60,7 +65,7 @@ val generateControllers = "generateControllers"
 
 tasks.register<GenerateTask>(generateControllers) {
     val spec = "${layout.projectDirectory}/src/main/resources/static/openapi/api.yml"
-    val pkg = "ru.itmo.lms.gateway.api.http"
+    val pkg = "$basePackage.api.http"
 
     group = "openapi tools"
     description = "Generates code from an Open API specification"
@@ -131,9 +136,26 @@ tasks.withType<Detekt>().configureEach {
 }
 
 tasks.withType<Detekt>().configureEach {
-    jvmTarget = "21"
+    jvmTarget = jvmTarget
 }
 
 tasks.withType<DetektCreateBaselineTask>().configureEach {
-    jvmTarget = "21"
+    jvmTarget = jvmTarget
+}
+
+koverReport {
+    filters {
+        excludes {
+            classes(
+                "$basePackage.api.http.apis.*",
+                "$basePackage.GatewayApplicationKt",
+            )
+        }
+    }
+    verify {
+        rule {
+            isEnabled = true
+            bound { minValue = 80 }
+        }
+    }
 }
diff --git a/gateway/src/test/kotlin/ru/itmo/lms/gateway/GatewayApplicationTests.kt b/gateway/src/test/kotlin/ru/itmo/lms/gateway/GatewayApplicationTests.kt
index 5431a9e..91cab03 100644
--- a/gateway/src/test/kotlin/ru/itmo/lms/gateway/GatewayApplicationTests.kt
+++ b/gateway/src/test/kotlin/ru/itmo/lms/gateway/GatewayApplicationTests.kt
@@ -1,12 +1,24 @@
 package ru.itmo.lms.gateway
 
+import kotlinx.coroutines.runBlocking
 import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.context.SpringBootTest
+import ru.itmo.lms.gateway.api.http.apis.MonitoringApi
+import kotlin.test.assertEquals
 
 @SpringBootTest
-class GatewayApplicationTests {
+class GatewayApplicationTests(
+    @Autowired val monitoringApi: MonitoringApi,
+) {
     @Test
     fun contextLoads() {
-        // Do nothing
+        // Okay
+    }
+
+    @Test
+    fun pingSucceeds() {
+        val body = runBlocking { monitoringApi.monitoringPingGet().body }
+        assertEquals(body, "pong")
     }
 }