public void Map()
{
var sut = new FixedWidthMapper();
var lines = new List <string> {
"a1206", "b0601"
};
var columnConfigs = new List <ColumnLayout>
{
new ColumnLayout {
FieldName = "name", ColumnPosition = 0, FieldLength = 1
},
new ColumnLayout {
FieldName = "age", ColumnPosition = 1, FieldLength = 2
},
new ColumnLayout {
FieldName = "grade", ColumnPosition = 3, FieldLength = 2
},
};
var config = new Configuration {
ColumnLayouts = columnConfigs
};
DataTable actualTable = sut.Map(lines, config);
Assert.Equal(2, actualTable.Rows.Count);
Assert.Equal("a", actualTable.Rows[0]["name"]);
Assert.Equal("12", actualTable.Rows[0]["age"]);
Assert.Equal("06", actualTable.Rows[0]["grade"]);
Assert.Equal("b", actualTable.Rows[1]["name"]);
Assert.Equal("06", actualTable.Rows[1]["age"]);
Assert.Equal("01", actualTable.Rows[1]["grade"]);
}
public void ThrowExceptionWhenConfigInvalid()
{
var table = new DataTable();
DataColumn[] cols =
{
new DataColumn("name", typeof(string)),
new DataColumn("day", typeof(string)),
new DataColumn("month", typeof(string)),
};
table.Columns.AddRange(cols);
object[] rows =
{
new object[] { "trang ", "29", "09" },
new object[] { "phuong", "10", "10" },
};
foreach (object[] row in rows)
{
table.Rows.Add(row);
}
var columnConfigs = new List <ColumnLayout>
{
new ColumnLayout {
FieldName = "day", ColumnPosition = 6, FieldLength = 2
},
new ColumnLayout {
FieldName = "month", ColumnPosition = 8, FieldLength = 2
},
new ColumnLayout {
FieldName = "year", ColumnPosition = 10, FieldLength = 2
},
new ColumnLayout {
FieldName = "name", ColumnPosition = 0, FieldLength = 6
},
};
var config = new Configuration {
ColumnLayouts = columnConfigs
};
var sut = new FixedWidthMapper();
Assert.Throws <Exception>(() => sut.Map(table, config));
}
public void MapWhenConfigValidAndInOrder()
{
var table = new DataTable();
DataColumn[] cols =
{
new DataColumn("name", typeof(string)),
new DataColumn("day", typeof(string)),
new DataColumn("month", typeof(string)),
};
table.Columns.AddRange(cols);
object[] rows =
{
new object[] { "trang ", "29", "09" },
new object[] { "phuong", "10", "10" },
};
foreach (object[] row in rows)
{
table.Rows.Add(row);
}
var columnConfigs = new List <ColumnLayout>
{
new ColumnLayout {
FieldName = "name", ColumnPosition = 0, FieldLength = 6
},
new ColumnLayout {
FieldName = "day", ColumnPosition = 6, FieldLength = 2
},
new ColumnLayout {
FieldName = "month", ColumnPosition = 8, FieldLength = 2
},
};
var config = new Configuration {
ColumnLayouts = columnConfigs
};
var sut = new FixedWidthMapper();
List <string> lines = sut.Map(table, config);
Assert.Equal("trang 2909", lines[0]);
Assert.Equal("phuong1010", lines[1]);
}