| public ImportData ( string conn, string filename ) : void | ||
| conn | string | |
| filename | string | |
| return | void | |
public void TestExportData() {
var t = new Table("dbo", "Status");
t.Columns.Add(new Column("id", "int", false, null));
t.Columns.Add(new Column("code", "char", 1, false, null));
t.Columns.Add(new Column("description", "varchar", 20, false, null));
t.Columns.Find("id").Identity = new Identity(1, 1);
t.AddConstraint(new Constraint("PK_Status", "PRIMARY KEY", "id"));
var conn = TestHelper.GetConnString("TESTDB");
DBHelper.DropDb(conn);
DBHelper.CreateDb(conn);
SqlConnection.ClearAllPools();
DBHelper.ExecBatchSql(conn, t.ScriptCreate());
var dataIn =
@"1 R Ready
2 P Processing
3 F Frozen
";
var filename = Path.GetTempFileName();
var writer = File.AppendText(filename);
writer.Write(dataIn);
writer.Flush();
writer.Close();
t.ImportData(conn, filename);
var sw = new StringWriter();
t.ExportData(conn, sw);
Assert.AreEqual(dataIn, sw.ToString());
File.Delete(filename);
}
public void TestLargeAmountOfRowsImportAndExport() {
var t = new Table("dbo", "TestData");
t.Columns.Add(new Column("test_field", "int", false, null));
t.AddConstraint(new Constraint("PK_TestData", "PRIMARY KEY", "test_field"));
t.AddConstraint(new Constraint("IX_TestData_PK", "INDEX", "test_field") { Clustered = true, Table = t, Unique = true }); // clustered index is required to ensure the row order is the same as what we import
var conn = TestHelper.GetConnString("TESTDB");
DBHelper.DropDb(conn);
DBHelper.CreateDb(conn);
SqlConnection.ClearAllPools();
DBHelper.ExecBatchSql(conn, t.ScriptCreate());
var filename = Path.GetTempFileName();
var writer = File.CreateText(filename);
StringBuilder sb = new StringBuilder();
for (var i = 0; i < Table.rowsInBatch * 4.2; i++) {
sb.AppendLine(i.ToString());
writer.WriteLine(i.ToString());
}
writer.Flush();
writer.Close();
var dataIn = sb.ToString();
Assert.AreEqual(dataIn, File.ReadAllText(filename)); // just prove that the file and the string are the same, to make the next assertion meaningful!
try {
t.ImportData(conn, filename);
var sw = new StringWriter();
t.ExportData(conn, sw);
Assert.AreEqual(dataIn, sw.ToString());
} finally {
File.Delete(filename);
}
}