StringTypeTests.cs

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// 
//  Copyright 2010-2014 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

using System;
using System.Globalization;
using System.Text;

using NUnit.Framework;

namespace Deveel.Data.Types {
    [TestFixture]
    [Category("Data Types")]
    public class StringTypeTests {
        [Test]
        public void BasicVarChar_Create() {
            var type = PrimitiveTypes.String(SqlTypeCode.VarChar);
            Assert.AreEqual(SqlTypeCode.VarChar, type.TypeCode);
            Assert.AreEqual(Int16.MaxValue, type.MaxSize);
            Assert.IsTrue(type.IsPrimitive);
            Assert.IsTrue(type.IsIndexable);
            Assert.IsNull(type.Locale);
        }

        [Test]
        public void BasicVarChar_Compare() {
            var type1 = PrimitiveTypes.String(SqlTypeCode.VarChar);
            var type2 = PrimitiveTypes.String(SqlTypeCode.VarChar);

            Assert.AreEqual(type1.TypeCode, type2.TypeCode);
            Assert.IsTrue(type1.IsComparable(type2));
            Assert.IsTrue(type1.CanCastTo(type2));
        }

        [Test]
        public void BasicVarChar_Parse() {
            const string typeString = "VARCHAR";
            SqlType sqlType = null;
            Assert.DoesNotThrow(() => sqlType = SqlType.Parse(typeString));
            Assert.IsNotNull(sqlType);
            Assert.IsInstanceOf<StringType>(sqlType);
            Assert.AreEqual(SqlTypeCode.VarChar, sqlType.TypeCode);

            var stringType = (StringType) sqlType;
            Assert.AreEqual(Int16.MaxValue, stringType.MaxSize);
            Assert.AreEqual(null, stringType.Locale);
        }

        [Test]
        public void SizedVarChar_Create() {
            var type = PrimitiveTypes.String(SqlTypeCode.VarChar, 255);
            Assert.AreEqual(SqlTypeCode.VarChar, type.TypeCode);
            Assert.AreEqual(255, type.MaxSize);
        }

        [Test]
        public void SizedVarChar_Compare() {
            var type1 = PrimitiveTypes.String(SqlTypeCode.VarChar, 255);
            var type2 = PrimitiveTypes.String(SqlTypeCode.VarChar, 200);

            Assert.AreEqual(type1.TypeCode, type2.TypeCode);
            Assert.IsFalse(type1.Equals(type2));
            Assert.IsTrue(type1.IsComparable(type2));
        }

        [Test]
        public void SizedVarChar_Parse() {
            const string typeString = "VARCHAR(255)";
            SqlType sqlType = null;
            Assert.DoesNotThrow(() => sqlType = SqlType.Parse(typeString));
            Assert.IsNotNull(sqlType);
            Assert.IsInstanceOf<StringType>(sqlType);
            Assert.AreEqual(SqlTypeCode.VarChar, sqlType.TypeCode);

            var stringType = (StringType) sqlType;
            Assert.AreEqual(255, stringType.MaxSize);
            Assert.AreEqual(null, stringType.Locale);           
        }

        [Test]
        public void LocalizedVarChar_Parse() {
            const string typeString = "VARCHAR(255) LOCALE 'en-Us'";
            SqlType sqlType = null;
            Assert.DoesNotThrow(() => sqlType = SqlType.Parse(typeString));
            Assert.IsNotNull(sqlType);
            Assert.IsInstanceOf<StringType>(sqlType);
            Assert.AreEqual(SqlTypeCode.VarChar, sqlType.TypeCode);

            var stringType = (StringType) sqlType;
            Assert.AreEqual(255, stringType.MaxSize);
            Assert.AreEqual(CultureInfo.GetCultureInfo("en-US"), stringType.Locale);
            Assert.IsNotNull(stringType.Encoding);
            Assert.AreEqual(Encoding.Unicode.WebName, stringType.Encoding.WebName);
        }

        [Test]
        [Category("Strings"), Category("SQL Parse")]
        public void LocalizedWithEncodingVarChar_Parse() {
            const string typeString = "VARCHAR(255) LOCALE 'en-Us' ENCODING 'UTF-16'";
            SqlType sqlType = null;
            Assert.DoesNotThrow(() => sqlType = SqlType.Parse(typeString));
            Assert.IsNotNull(sqlType);
            Assert.IsInstanceOf<StringType>(sqlType);
            Assert.AreEqual(SqlTypeCode.VarChar, sqlType.TypeCode);

            var stringType = (StringType)sqlType;
            Assert.AreEqual(255, stringType.MaxSize);
            Assert.AreEqual(CultureInfo.GetCultureInfo("en-US"), stringType.Locale);
            Assert.AreEqual(Encoding.Unicode.WebName, stringType.Encoding.WebName);
        }

        [Test]
        [Category("Strings"), Category("SQL Parse")]
        public void SizedWithEncoding_Parse() {
            const string typeString = "VARCHAR(255) ENCODING 'UTF-16'";
            SqlType sqlType = null;
            Assert.DoesNotThrow(() => sqlType = SqlType.Parse(typeString));
            Assert.IsNotNull(sqlType);
            Assert.IsInstanceOf<StringType>(sqlType);
            Assert.AreEqual(SqlTypeCode.VarChar, sqlType.TypeCode);

            var stringType = (StringType)sqlType;
            Assert.AreEqual(255, stringType.MaxSize);
            Assert.IsNull(stringType.Locale);
            Assert.AreEqual(Encoding.Unicode.WebName, stringType.Encoding.WebName);
        }
    }
}