default converter tests

2009-04-08 19:58:19 +00:00
parent 5e46fab34d
commit d966965a4c
14 changed files with 220 additions and 51 deletions
--- a/org.springframework.core/src/test/java/org/springframework/core/convert/converters/DefaultConverterTests.java
+++ b/org.springframework.core/src/test/java/org/springframework/core/convert/converters/DefaultConverterTests.java
@@ -0,0 +1,180 @@
+package org.springframework.core.convert.converters;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.Locale;
+
+import org.junit.Test;
+import org.springframework.core.convert.converter.NumberToNumber;
+import org.springframework.core.convert.converter.StringToBigDecimal;
+import org.springframework.core.convert.converter.StringToBigInteger;
+import org.springframework.core.convert.converter.StringToBoolean;
+import org.springframework.core.convert.converter.StringToByte;
+import org.springframework.core.convert.converter.StringToCharacter;
+import org.springframework.core.convert.converter.StringToDouble;
+import org.springframework.core.convert.converter.StringToEnum;
+import org.springframework.core.convert.converter.StringToFloat;
+import org.springframework.core.convert.converter.StringToInteger;
+import org.springframework.core.convert.converter.StringToLocale;
+import org.springframework.core.convert.converter.StringToLong;
+import org.springframework.core.convert.converter.StringToShort;
+
+/**
+ * Tests for the default converters in the converters package.
+s */
+public class DefaultConverterTests {
+
+	@Test
+	public void testStringToByte() throws Exception {
+		StringToByte b = new StringToByte();
+		assertEquals(Byte.valueOf("1"), b.convert("1"));
+		assertEquals("1", b.convertBack(Byte.valueOf("1")));
+	}
+
+	@Test
+	public void testStringToCharacter() {
+		StringToCharacter c = new StringToCharacter();
+		assertEquals(Character.valueOf('1'), c.convert("1"));
+		assertEquals("1", c.convertBack(Character.valueOf('1')));
+	}
+
+	@Test
+	public void testStringToBoolean() {
+		StringToBoolean c = new StringToBoolean();
+		assertEquals(Boolean.valueOf(true), c.convert("true"));
+		assertEquals(Boolean.valueOf(false), c.convert("false"));
+		assertEquals("true", c.convertBack(Boolean.TRUE));
+		assertEquals("false", c.convertBack(Boolean.FALSE));
+	}
+	
+	@Test
+	public void testStringToBooleanCustomString() {
+		StringToBoolean c = new StringToBoolean("yes", "no");
+		assertEquals(Boolean.valueOf(true), c.convert("yes"));
+		assertEquals(Boolean.valueOf(false), c.convert("no"));
+		assertEquals("yes", c.convertBack(Boolean.TRUE));		
+		assertEquals("no", c.convertBack(Boolean.FALSE));		
+	}
+	
+	@Test
+	public void testStringToBooleanInvalidValue() {
+		StringToBoolean c = new StringToBoolean("yes", "no");
+		try {
+			c.convert("true");
+			fail("Should have failed");
+		} catch (IllegalArgumentException e) {
+			
+		}
+	}
+
+	@Test
+	public void testStringToShort() {
+		StringToShort c = new StringToShort();
+		assertEquals(Short.valueOf("1"), c.convert("1"));
+		assertEquals("1", c.convertBack(Short.valueOf("1")));
+	}
+
+	@Test
+	public void testStringToInteger() {
+		StringToInteger c = new StringToInteger();
+		assertEquals(Integer.valueOf("1"), c.convert("1"));
+		assertEquals("1", c.convertBack(Integer.valueOf("1")));
+	}
+
+	@Test
+	public void testStringToLong() {
+		StringToLong c = new StringToLong();
+		assertEquals(Long.valueOf("1"), c.convert("1"));
+		assertEquals("1", c.convertBack(Long.valueOf("1")));	
+	}
+
+	@Test
+	public void testStringToFloat() {
+		StringToFloat c = new StringToFloat();
+		assertEquals(Float.valueOf("1.0"), c.convert("1.0"));
+		assertEquals("1.0", c.convertBack(Float.valueOf("1.0")));		
+	}
+
+	@Test
+	public void testStringToDouble() {
+		StringToDouble c = new StringToDouble();
+		assertEquals(Double.valueOf("1.0"), c.convert("1.0"));
+		assertEquals("1.0", c.convertBack(Double.valueOf("1.0")));		
+	}
+
+	@Test
+	public void testStringToBigInteger() {
+		StringToBigInteger c = new StringToBigInteger();
+		assertEquals(new BigInteger("1"), c.convert("1"));
+		assertEquals("1", c.convertBack(new BigInteger("1")));		
+	}
+
+	@Test
+	public void testStringToBigDouble() {
+		StringToBigDecimal c = new StringToBigDecimal();
+		assertEquals(new BigDecimal("1.0"), c.convert("1.0"));
+		assertEquals("1.0", c.convertBack(new BigDecimal("1.0")));				
+	}
+
+	@Test
+	public void testStringToEnum() {
+		StringToEnum c = new StringToEnum();
+		assertEquals(Foo.BAR, c.convert("BAR", Foo.class));
+		assertEquals("BAR", c.convertBack(Foo.BAR, String.class));
+	}
+	
+	public static enum Foo {
+		BAR, BAZ;
+	}
+
+	@Test
+	public void testStringToLocale() {
+		StringToLocale c = new StringToLocale();
+		assertEquals(Locale.ENGLISH, c.convert("en"));
+		assertEquals("en", c.convertBack(Locale.ENGLISH));
+	}
+
+	@Test
+	public void testNumberToNumber() {
+		NumberToNumber n = new NumberToNumber();
+		assertEquals(Long.valueOf(1), n.convert(Integer.valueOf(1), Long.class));
+	}
+	
+	@Test
+	public void testNumberToNumberNotSupportedNumber() {
+		NumberToNumber n = new NumberToNumber();
+		try {
+			n.convert(Integer.valueOf(1), CustomNumber.class);
+			fail("Should have failed");
+		} catch (IllegalArgumentException e) {
+			
+		}
+	}
+	
+	public static class CustomNumber extends Number {
+
+		@Override
+		public double doubleValue() {
+			return 0;
+		}
+
+		@Override
+		public float floatValue() {
+			return 0;
+		}
+
+		@Override
+		public int intValue() {
+			return 0;
+		}
+
+		@Override
+		public long longValue() {
+			return 0;
+		}
+		
+	}
+}