showWarning test and showTrace test

Author: FranciscoJ26

app/test/processing/app/MessagesTest.kt

@@ -23,7 +23,24 @@ class MessagesTest {
 
     @Test
     fun showWarning() {
+        val baseMock = mockStatic(Base::class.java)
 
+        baseMock.`when`<Boolean> { Base.isCommandLine() }.thenReturn(true)
+
+        val out = ByteArrayOutputStream()
+        val err = ByteArrayOutputStream()
+
+        System.setOut(PrintStream(out))
+        System.setErr(PrintStream(err))
+
+        val ex = RuntimeException("test")
+
+        Messages.showWarning("Warning", "Something happened", ex)
+
+        assertTrue(out.toString().contains("Warning: Something happened"))
+        assertTrue(err.toString().contains("test"))
+
+        baseMock.close()
     }
 
     @Test
@@ -44,6 +61,21 @@ class MessagesTest {
 
     @Test
     fun showTrace() {
+            mockStatic(Base::class.java).use { baseMock ->
+            baseMock.`when`<Boolean> { Base.isCommandLine() }.thenReturn(true)
+
+            val err = ByteArrayOutputStream()
+            System.setErr(PrintStream(err))
+
+            val ex = RuntimeException("boom")
+
+            Messages.showTrace("Title", "Something broke", ex, false)
+
+            val output = err.toString()
+
+            assertTrue(output.contains("Title: Something broke"))
+            assertTrue(output.contains("boom"))
+        }
     }
 
     @Test