CHORE Moved BAEL-2655's code from core-kotlin-2 to core-kotlin-io (#6807)

core-kotlin-io/src/test/kotlin/com/baeldung/console/ConsoleIOUnitTest.kt

@@ -0,0 +1,79 @@
+package com.baeldung.console
+
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Test
+import org.mockito.Mockito.`when`
+import org.mockito.Mockito.mock
+import java.io.BufferedReader
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.Console
+import java.io.InputStreamReader
+import java.io.PrintStream
+import java.util.*
+
+
+class ConsoleIOUnitTest {
+
+    @Test
+    fun givenText_whenPrint_thenPrintText() {
+        val expectedTest = "Hello from Kotlin"
+        val out = ByteArrayOutputStream()
+        System.setOut(PrintStream(out))
+
+        print(expectedTest)
+        out.flush()
+        val printedText = String(out.toByteArray())
+
+        assertThat(printedText).isEqualTo(expectedTest)
+    }
+
+    @Test
+    fun givenInput_whenRead_thenReadText() {
+        val expectedTest = "Hello from Kotlin"
+        val input = ByteArrayInputStream(expectedTest.toByteArray())
+        System.setIn(input)
+
+        val readText = readLine()
+
+        assertThat(readText).isEqualTo(expectedTest)
+    }
+
+    @Test
+    fun givenInput_whenReadWithScanner_thenReadText() {
+        val expectedTest = "Hello from Kotlin"
+        val scanner = Scanner(ByteArrayInputStream(expectedTest.toByteArray()))
+
+        val readText = scanner.nextLine()
+
+        assertThat(readText).isEqualTo(expectedTest)
+    }
+
+    @Test
+    fun givenInput_whenReadWithBufferedReader_thenReadText() {
+        val expectedTest = "Hello from Kotlin"
+        val reader = BufferedReader(InputStreamReader(ByteArrayInputStream(expectedTest.toByteArray())))
+
+        val readText = reader.readLine()
+
+        assertThat(readText).isEqualTo(expectedTest)
+    }
+
+    @Test
+    fun givenInput_whenReadWithConsole_thenReadText() {
+        val expectedTest = "Hello from Kotlin"
+        val console = mock(Console::class.java)
+        `when`(console.readLine()).thenReturn(expectedTest)
+
+        val readText = console.readLine()
+
+        assertThat(readText).isEqualTo(expectedTest)
+    }
+
+    @AfterEach
+    fun resetIO() {
+        System.setOut(System.out)
+        System.setIn(System.`in`)
+    }
+}

core-kotlin-io/src/test/resources/mockito-extensions/org.mockito.plugins.MockMaker

@@ -0,0 +1 @@
+mock-maker-inline