Adding unit tests to maestro-utils module (mobile-dev-inc#2081)

* test: Adding unit tests to the MaestroTimerTest class

* test: Adding unit tests to the SocketUtils class

* test: Adding unit tests to the Strings class

* test: Adding unit tests to the Collections class

* test: Adding unit tests to the DepthTracker class

* test: Adding unit tests to the Insight class

* test: Adding unit tests to the Errors class

* test: Refactoring SocketUtils unit tests

* test: Resolving commands_optional_tournee test

* test: Refactoring test about localhost address

* test: Refactoring the tests about localIp method

* chore: Adding mockk dependency

gradle/libs.versions.toml

@@ -36,6 +36,7 @@ junit = "5.10.2"
 kotlin = "1.8.22"
 kotlinResult = "1.1.18"
 ktor = "2.3.6"
+mockk = "1.12.0"
 mozillaRhino = "1.7.14"
 picocli = "4.6.3"
 selenium = "4.13.0"
@@ -100,6 +101,7 @@ ktor-server-core = { module = "io.ktor:ktor-server-core", version.ref = "ktor" }
 ktor-server-cors = { module = "io.ktor:ktor-server-cors", version.ref = "ktor" }
 ktor-server-netty = { module = "io.ktor:ktor-server-netty", version.ref = "ktor" }
 ktor-server-status-pages = { module = "io.ktor:ktor-server-status-pages", version.ref = "ktor" }
+mockk = { module = "io.mockk:mockk", version.ref = "mockk" }
 mozilla-rhino = { module = "org.mozilla:rhino", version.ref = "mozillaRhino" }
 picocli = { module = "info.picocli:picocli", version.ref = "picocli" }
 picocli-codegen = { module = "info.picocli:picocli-codegen", version.ref = "picocli" }

maestro-utils/build.gradle.kts

@@ -10,6 +10,7 @@ plugins {
 dependencies {
     api(libs.square.okio)
 
+    testImplementation(libs.mockk)
     testImplementation(libs.junit.jupiter.api)
     testRuntimeOnly(libs.junit.jupiter.engine)
     testImplementation(libs.google.truth)

maestro-utils/src/test/kotlin/CollectionsTest.kt

@@ -0,0 +1,61 @@
+import maestro.utils.isRegularFile
+import maestro.utils.isSingleFile
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+import java.nio.file.Files
+
+class CollectionsTest {
+
+    @Test
+    fun `isSingleFile should return true for a single regular file`() {
+        val file = Files.createTempFile("testFile", ".txt").toFile()
+        val files = listOf(file)
+        assertTrue(files.isSingleFile)
+        file.delete()
+    }
+
+    @Test
+    fun `isSingleFile should return false for multiple files`() {
+        val file1 = Files.createTempFile("testFile1", ".txt").toFile()
+        val file2 = Files.createTempFile("testFile2", ".txt").toFile()
+        val files = listOf(file1, file2)
+        assertFalse(files.isSingleFile)
+        file1.delete()
+        file2.delete()
+    }
+
+    @Test
+    fun `isSingleFile should return false for a single directory`() {
+        val dir = Files.createTempDirectory("testDir").toFile()
+        val files = listOf(dir)
+        assertFalse(files.isSingleFile)
+        dir.delete()
+    }
+
+    @Test
+    fun `isRegularFile should return true for a single regular file`() {
+        val file = Files.createTempFile("testFile", ".txt")
+        val paths = listOf(file)
+        assertTrue(paths.isRegularFile)
+        Files.delete(file)
+    }
+
+    @Test
+    fun `isRegularFile should return false for multiple files`() {
+        val file1 = Files.createTempFile("testFile1", ".txt")
+        val file2 = Files.createTempFile("testFile2", ".txt")
+        val paths = listOf(file1, file2)
+        assertFalse(paths.isRegularFile)
+        Files.delete(file1)
+        Files.delete(file2)
+    }
+
+    @Test
+    fun `isRegularFile should return false for a single directory`() {
+        val dir = Files.createTempDirectory("testDir")
+        val paths = listOf(dir)
+        assertFalse(paths.isRegularFile)
+        Files.delete(dir)
+    }
+}

maestro-utils/src/test/kotlin/DepthTrackerTest.kt

@@ -0,0 +1,27 @@
+import maestro.utils.DepthTracker
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class DepthTrackerTest {
+
+    @BeforeEach
+    fun setUp() {
+        DepthTracker.trackDepth(0)
+    }
+
+    @Test
+    fun `trackDepth should update currentDepth and maxDepth`() {
+        DepthTracker.trackDepth(10)
+        assertEquals(10, DepthTracker.getMaxDepth())
+    }
+
+    @Test
+    fun `getMaxDepth should return the maximum depth tracked`() {
+        DepthTracker.trackDepth(3)
+        DepthTracker.trackDepth(2)
+        DepthTracker.trackDepth(5)
+
+        assertEquals(5, DepthTracker.getMaxDepth())
+    }
+}

maestro-utils/src/test/kotlin/InsightTest.kt

@@ -0,0 +1,43 @@
+import maestro.utils.Insight
+import maestro.utils.Insights
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+
+class InsightsTest {
+
+    @Test
+    fun `report should update insight and notify listeners`() {
+        val insight = Insight("Test message", Insight.Level.INFO)
+        var notifiedInsight: Insight? = null
+
+        Insights.onInsightsUpdated { notifiedInsight = it }
+        Insights.report(insight)
+
+        assertEquals(insight, notifiedInsight)
+    }
+
+    @Test
+    fun `onInsightsUpdated should add a listener`() {
+        val insight = Insight("Test message", Insight.Level.INFO)
+        var notified = false
+
+        Insights.onInsightsUpdated { notified = true }
+        Insights.report(insight)
+
+        assertTrue(notified)
+    }
+
+    @Test
+    fun `unregisterListener should remove a listener`() {
+        val insight = Insight("Test message", Insight.Level.INFO)
+        var notified = false
+        val listener: (Insight) -> Unit = { notified = true }
+
+        Insights.onInsightsUpdated(listener)
+        Insights.unregisterListener(listener)
+        Insights.report(insight)
+
+        assertTrue(!notified)
+    }
+}

maestro-utils/src/test/kotlin/MaestroTimerTest.kt

@@ -0,0 +1,70 @@
+import maestro.utils.MaestroTimer
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class MaestroTimerTest {
+
+    @BeforeEach
+    fun setUp() {
+        MaestroTimer.setTimerFunc { _, ms -> Thread.sleep(ms) }
+    }
+
+    @Test
+    fun `withTimeout should return result within timeout`() {
+        val result = MaestroTimer.withTimeout(1000) {
+            "Success"
+        }
+
+        assertEquals("Success", result)
+    }
+
+    @Test
+    fun `withTimeout should return null if body is null`() {
+        val result = MaestroTimer.withTimeout(1000) {
+            null
+        }
+
+        assertNull(result)
+    }
+
+    @Test
+    fun `retryUntilTrue should return true if block succeeds within timeout`() {
+        val result = MaestroTimer.retryUntilTrue(1000) {
+            true
+        }
+
+        assertTrue(result)
+    }
+
+    @Test
+    fun `retryUntilTrue should return false if block fails within timeout`() {
+        val result = MaestroTimer.retryUntilTrue(100) {
+            false
+        }
+
+        assertFalse(result)
+    }
+
+    @Test
+    fun `retryUntilTrue should handle exceptions and continue retrying`() {
+        var attempts = 0
+        val result = MaestroTimer.retryUntilTrue(1000, 100, { }) {
+            attempts++
+            if (attempts < 3) throw Exception("Test exception")
+            true
+        }
+
+        assertTrue(result)
+        assertEquals(3, attempts)
+    }
+
+    @Test
+    fun `setTimerFunc should change the sleep function`() {
+        var sleepCalled = false
+        MaestroTimer.setTimerFunc { _, _ -> sleepCalled = true }
+        MaestroTimer.sleep(MaestroTimer.Reason.BUFFER, 100)
+
+        assertTrue(sleepCalled)
+    }
+}

maestro-utils/src/test/kotlin/SocketUtilsTest.kt

@@ -0,0 +1,55 @@
+import io.mockk.every
+import io.mockk.mockkStatic
+import maestro.utils.SocketUtils
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.Assertions.assertThrows
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+import java.net.Inet4Address
+import java.net.InetAddress
+import java.net.NetworkInterface
+import java.util.*
+
+class SocketUtilsTest {
+
+    private fun <T> List<T>.toEnumeration(): Enumeration<T> = Collections.enumeration(this)
+
+    @Test
+    fun `nextFreePort should return a free port within the specified range`() {
+        val from = 5000
+        val to = 5100
+        val port = SocketUtils.nextFreePort(from, to)
+
+        assertTrue(port in from..to)
+    }
+
+    @Test
+    fun `nextFreePort should throw IllegalStateException when no ports are available in the range`() {
+        val from = 100000
+        val to = 100010
+
+        assertThrows(IllegalStateException::class.java) {
+            SocketUtils.nextFreePort(from, to)
+        }
+    }
+
+    @Test
+    fun `localIp should return local IP address`() {
+        val ip = SocketUtils.localIp()
+
+        assertNotNull(ip)
+        assertTrue(ip.startsWith("192") || ip.startsWith("10") || ip.startsWith("172") || ip.startsWith("127"))
+        assertTrue(InetAddress.getByName(ip) is Inet4Address)
+    }
+
+    @Test
+    fun `localIp should return localhost address if no network interfaces are available`() {
+        mockkStatic(NetworkInterface::class)
+        every { NetworkInterface.getNetworkInterfaces() } returns listOf<NetworkInterface>().toEnumeration()
+
+        val ip = SocketUtils.localIp()
+
+        assertEquals(InetAddress.getLocalHost().hostAddress, ip)
+    }
+}

maestro-utils/src/test/kotlin/StringsTest.kt

@@ -0,0 +1,42 @@
+import maestro.utils.chunkStringByWordCount
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+class StringsTest {
+
+    @Test
+    fun `chunkStringByWordCount should return empty list for empty string`() {
+        val result = "".chunkStringByWordCount(2)
+        assertEquals(emptyList<String>(), result)
+    }
+
+    @Test
+    fun `chunkStringByWordCount should return single chunk for string with fewer words than chunk size`() {
+        val result = "hello world".chunkStringByWordCount(3)
+        assertEquals(listOf("hello world"), result)
+    }
+
+    @Test
+    fun `chunkStringByWordCount should return multiple chunks for string with more words than chunk size`() {
+        val result = "hello world this is a test".chunkStringByWordCount(2)
+        assertEquals(listOf("hello world", "this is", "a test"), result)
+    }
+
+    @Test
+    fun `chunkStringByWordCount should handle exact chunk size`() {
+        val result = "hello world this is a test".chunkStringByWordCount(5)
+        assertEquals(listOf("hello world this is a", "test"), result)
+    }
+
+    @Test
+    fun `chunkStringByWordCount should handle trailing spaces`() {
+        val result = "  hello   world  ".chunkStringByWordCount(1)
+        assertEquals(listOf("hello", "world"), result)
+    }
+
+    @Test
+    fun `chunkStringByWordCount should handle multiple spaces between words`() {
+        val result = "hello   world this  is   a test".chunkStringByWordCount(2)
+        assertEquals(listOf("hello world", "this is", "a test"), result)
+    }
+}