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ConnectionModifierTest.cs
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152 lines (127 loc) · 4.8 KB
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using System.Data;
using NUnit.Framework;
namespace Simple.Data.Ado.Test
{
using System;
[TestFixture]
public class ConnectionModifierTest
{
[Test]
public void ModifiesConnection()
{
var adapter = new AdoAdapter(new StubConnectionProvider());
adapter.SetConnectionModifier(c => new FooConnection(c));
Assert.IsInstanceOf<FooConnection>(adapter.CreateConnection());
}
[Test]
public void ClearsConnection()
{
var adapter = new AdoAdapter(new StubConnectionProvider());
adapter.SetConnectionModifier(c => new FooConnection(c));
Assert.IsInstanceOf<FooConnection>(adapter.CreateConnection());
adapter.ClearConnectionModifier();
Assert.IsNotInstanceOf<FooConnection>(adapter.CreateConnection());
}
[Test]
public void ConnectionCreatedEventFires()
{
bool fired = false;
EventHandler<ConnectionCreatedEventArgs> handler = (o, e) => { fired = true; };
AdoAdapter.ConnectionCreated += handler;
var adapter = new AdoAdapter(new StubConnectionProvider());
var connection = adapter.CreateConnection();
AdoAdapter.ConnectionCreated -= handler;
Assert.True(fired);
}
[Test]
public void ConnectionCreatedCanOverrideConnection()
{
EventHandler<ConnectionCreatedEventArgs> handler = (o, e) => e.OverrideConnection(new BarConnection(e.Connection));
AdoAdapter.ConnectionCreated += handler;
var adapter = new AdoAdapter(new StubConnectionProvider());
var connection = adapter.CreateConnection();
Assert.IsInstanceOf<BarConnection>(connection);
AdoAdapter.ConnectionCreated -= handler;
}
private class FooConnection : IDbConnection
{
private readonly IDbConnection _wrapped;
public FooConnection(IDbConnection wrapped)
{
_wrapped = wrapped;
}
public void Dispose()
{
throw new System.NotImplementedException();
}
public IDbTransaction BeginTransaction()
{
throw new System.NotImplementedException();
}
public IDbTransaction BeginTransaction(IsolationLevel il)
{
throw new System.NotImplementedException();
}
public void Close()
{
throw new System.NotImplementedException();
}
public void ChangeDatabase(string databaseName)
{
throw new System.NotImplementedException();
}
public IDbCommand CreateCommand()
{
throw new System.NotImplementedException();
}
public void Open()
{
throw new System.NotImplementedException();
}
public string ConnectionString { get; set; }
public int ConnectionTimeout { get; private set; }
public string Database { get; private set; }
public ConnectionState State { get; private set; }
}
private class BarConnection : IDbConnection
{
private readonly IDbConnection _wrapped;
public BarConnection(IDbConnection wrapped)
{
_wrapped = wrapped;
}
public void Dispose()
{
throw new System.NotImplementedException();
}
public IDbTransaction BeginTransaction()
{
throw new System.NotImplementedException();
}
public IDbTransaction BeginTransaction(IsolationLevel il)
{
throw new System.NotImplementedException();
}
public void Close()
{
throw new System.NotImplementedException();
}
public void ChangeDatabase(string databaseName)
{
throw new System.NotImplementedException();
}
public IDbCommand CreateCommand()
{
throw new System.NotImplementedException();
}
public void Open()
{
throw new System.NotImplementedException();
}
public string ConnectionString { get; set; }
public int ConnectionTimeout { get; private set; }
public string Database { get; private set; }
public ConnectionState State { get; private set; }
}
}
}