Initial commit

src/test/java/org/scribe/utils/PreconditionsTest.java

@@ -0,0 +1,60 @@
+package org.scribe.utils;
+
+import org.junit.*;
+
+public class PreconditionsTest
+{
+
+  private static final String ERROR_MSG = "";
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForNullObjects()
+  {
+    Preconditions.checkNotNull(null, ERROR_MSG);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForNullStrings()
+  {
+    Preconditions.checkEmptyString(null, ERROR_MSG);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForEmptyStrings()
+  {
+    Preconditions.checkEmptyString("", ERROR_MSG);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForSpacesOnlyStrings()
+  {
+    Preconditions.checkEmptyString("               ", ERROR_MSG);
+  }
+  
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForInvalidUrls()
+  {
+    Preconditions.checkValidUrl("this/is/not/a/valid/url", ERROR_MSG); 
+  }
+  
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionForNullUrls()
+  {
+    Preconditions.checkValidUrl(null, ERROR_MSG);
+  }
+  
+  public void shouldAllowValidUrls()
+  {
+    Preconditions.checkValidUrl("http://www.example.com", ERROR_MSG);
+  }
+  
+  public void shouldAllowSSLUrls()
+  {
+    Preconditions.checkValidUrl("https://www.example.com", ERROR_MSG);
+  }
+  
+  public void shouldAllowOutOfBandAsValidCallbackValue()
+  {
+    Preconditions.checkValidOAuthCallback("oob", ERROR_MSG);
+  }
+}