public void Ctor_sets_properties()
{
var columnMetadata = new ColumnMetadata("Name", "Type", typeof(int));
Assert.Equal("Name", columnMetadata.Name);
Assert.Equal("Type", columnMetadata.DataTypeName);
Assert.Same(typeof(int), columnMetadata.DataType);
}
public void CachedResults_properties_set_correctly()
{
var tableMetadata = new ColumnMetadata[0];
var results = new List<object[]>();
var cachedResults = new CachedResults(tableMetadata, results, 42);
Assert.Same(tableMetadata, cachedResults.TableMetadata);
Assert.Same(results, cachedResults.Results);
Assert.Equal(42, cachedResults.RecordsAffected);
}
public CachedResults(ColumnMetadata[] tableMetadata, List<object[]> results, int recordsAffected)
{
_tableMetadata = tableMetadata;
_results = results;
_recordsAffected = recordsAffected;
}
private static ColumnMetadata[] GetTableMetadata(DbDataReader reader)
{
var columnMetadata = new ColumnMetadata[reader.FieldCount];
for (var i = 0; i < reader.FieldCount; i++)
{
columnMetadata[i] =
new ColumnMetadata(
reader.GetName(i), reader.GetDataTypeName(i), reader.GetFieldType(i));
}
return columnMetadata;
}
public void GetName_throws_if_index_out_of_range()
{
var tableMetadata = new ColumnMetadata[]
{
new ColumnMetadata("Z", null, null),
};
using (var reader = new CachingReader(new CachedResults(tableMetadata, new List<object[]>(), 0)))
{
Assert.Throws<IndexOutOfRangeException>(() => reader.GetName(-1));
Assert.Throws<IndexOutOfRangeException>(() => reader.GetName(1));
}
}
public void GetName_returns_name_for_the_given_ordinal()
{
var tableMetadata = new ColumnMetadata[]
{
new ColumnMetadata("Z", null, null),
new ColumnMetadata("X", null, null),
new ColumnMetadata("Y", null, null),
};
using (var reader = new CachingReader(new CachedResults(tableMetadata, new List<object[]>(), 0)))
{
Assert.Same("Z", reader.GetName(0));
Assert.Same("X", reader.GetName(1));
Assert.Same("Y", reader.GetName(2));
}
}
public void GetFieldType_returns_type_for_the_given_ordinal()
{
var tableMetadata = new ColumnMetadata[]
{
new ColumnMetadata(null, null, typeof(int)),
new ColumnMetadata(null, null, typeof(string)),
new ColumnMetadata(null, null, typeof(object)),
};
using (var reader = new CachingReader(new CachedResults(tableMetadata, new List<object[]>(), 0)))
{
Assert.Same(typeof(int), reader.GetFieldType(0));
Assert.Same(typeof(string), reader.GetFieldType(1));
Assert.Same(typeof(object), reader.GetFieldType(2));
}
}
public void GetDataTypeName_returns_type_name_for_the_given_ordinal()
{
var tableMetadata = new ColumnMetadata[]
{
new ColumnMetadata(null, "abc", null),
new ColumnMetadata(null, "123", null),
new ColumnMetadata(null, "!@#", null),
};
using (var reader = new CachingReader(new CachedResults(tableMetadata, new List<object[]>(), 0)))
{
Assert.Equal("abc", reader.GetDataTypeName(0));
Assert.Equal("123", reader.GetDataTypeName(1));
Assert.Equal("!@#", reader.GetDataTypeName(2));
}
}
