Add unit test for readmanga source

app/src/test/java/org/koitharu/kotatsu/parsers/MangaParserTest.kt

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.parsers
+
+interface MangaParserTest {
+
+    fun testMangaList()
+}

app/src/test/java/org/koitharu/kotatsu/parsers/RepositoryTestEnvironment.kt

@@ -0,0 +1,32 @@
+package org.koitharu.kotatsu.parsers
+
+import okhttp3.OkHttpClient
+import org.junit.BeforeClass
+import org.koin.core.context.startKoin
+import org.koin.dsl.module
+import org.koitharu.kotatsu.domain.MangaLoaderContext
+import org.koitharu.kotatsu.domain.MangaRepository
+
+abstract class RepositoryTestEnvironment {
+
+    lateinit var repository: MangaRepository
+
+    @BeforeClass
+    fun initialize(cls: Class<out MangaRepository>) {
+        startKoin {
+            modules(listOf(
+                module {
+                    factory {
+                        OkHttpClient()
+                    }
+                }, module {
+                    single {
+                        MangaLoaderContext()
+                    }
+                }
+            ))
+        }
+        val constructor = cls.getConstructor(MangaLoaderContext::class.java)
+        repository = constructor.newInstance(MangaLoaderContext())
+    }
+}

app/src/test/java/org/koitharu/kotatsu/parsers/repository/ReadmangaRuTest.kt

@@ -0,0 +1,34 @@
+package org.koitharu.kotatsu.parsers.repository
+
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert
+import org.junit.BeforeClass
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.koitharu.kotatsu.domain.repository.ReadmangaRepository
+import org.koitharu.kotatsu.parsers.MangaParserTest
+import org.koitharu.kotatsu.parsers.RepositoryTestEnvironment
+import org.koitharu.kotatsu.utils.MyAsserts
+import org.mockito.junit.MockitoJUnitRunner
+
+@RunWith(MockitoJUnitRunner::class)
+class ReadmangaRuTest : MangaParserTest {
+
+    @Test
+    override fun testMangaList() {
+        val list = runBlocking { repository.getList(1) }
+        Assert.assertTrue(list.size == 70)
+        val item = list[40]
+        Assert.assertTrue(item.title.isNotEmpty())
+        Assert.assertTrue(item.rating in 0f..1f)
+        MyAsserts.assertValidUrl(item.url)
+        MyAsserts.assertValidUrl(item.coverUrl)
+    }
+
+    companion object : RepositoryTestEnvironment() {
+
+        @JvmStatic
+        @BeforeClass
+        fun setUp() = initialize(ReadmangaRepository::class.java)
+    }
+}

app/src/test/java/org/koitharu/kotatsu/utils/MyAsserts.kt

@@ -0,0 +1,22 @@
+package org.koitharu.kotatsu.utils
+
+import org.junit.Assert
+import java.net.HttpURLConnection
+import java.net.URL
+
+object MyAsserts {
+
+    private val VALID_RESPONSE_CODES = arrayOf(
+        HttpURLConnection.HTTP_OK,
+        HttpURLConnection.HTTP_MOVED_PERM,
+        HttpURLConnection.HTTP_MOVED_TEMP
+    )
+
+    fun assertValidUrl(url: String) {
+        val cn = URL(url).openConnection() as HttpURLConnection
+        cn.connect()
+        val code = cn.responseCode
+        Assert.assertTrue("Invalid response code $code", code in VALID_RESPONSE_CODES)
+    }
+
+}