public void Should_Return_Select_Asteric_From_One_Table()
{
var expected = "SELECT * FROM Table";
var sql = new SQL();
sql.Select().From("Table");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_One_Fields_From_One_Table_With_Acronimus()
{
var expected = "SELECT FieldOne FROM Table t";
var sql = new SQL();
sql.Select("FieldOne").From("Table", "t");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_One_Fields_From_One_Table_With_Offset()
{
var expected = "SELECT FieldOne FROM Table OFFSET 102";
var sql = new SQL();
sql.Select().Field("FieldOne")
.From("Table")
.Offset(102);
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_More_Than_Two_Fields_From_One_Table()
{
var expected = "SELECT FieldOne, FieldTwo, FieldThree, FieldFour, FieldFive FROM Table";
var sql = new SQL();
sql.Select()
.Field("FieldOne").Field("FieldTwo").Field("FieldThree").Field("FieldFour").Field("FieldFive")
.From("Table");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_From_Two_Tables()
{
var expected = "SELECT * FROM students, lecturers l, admins";
var sql = new SQL();
sql.Select()
.From("students")
.From("lecturers", "l")
.From("admins");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Into_Another_Select()
{
var expected = "SELECT s.id FROM (SELECT * FROM students) s";
var sql = new SQL();
var subSql = new SQL();
sql.Select()
.From(
subSql.Select()
.From("students"), "s"
)
.Field("s.id");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Simple_Select_With_Alias_In_The_Fields()
{
var expected = "SELECT s.id, s.test_score AS 'Test score', DATE_FORMAT(s.date_taken, '%M %Y') AS 'Taken on' FROM students s";
var sql = new SQL();
sql.Select()
.From("students", "s")
.Field("s.id")
.Field("s.test_score", "Test score")
.Field("DATE_FORMAT(s.date_taken, '%M %Y')", "Taken on");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Simple_Select_One_Field_From_One_Table()
{
var expected = "SELECT field FROM Table";
var sql = new SQL();
sql.Select("field").From("Table");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_Right_Join()
{
var expected = "SELECT students.id FROM students RIGHT JOIN jailed ON (jailed.student_id = students.id)";
var sql = new SQL();
sql.Select()
.Field("students.id")
.From("students")
.RightJoin("jailed", "jailed.student_id = students.id");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Three_Fields_From_One_Table_With_Limit()
{
var expected = "SELECT FieldOne, FieldTwo FROM Table LIMIT 1";
var sql = new SQL();
sql.Select().Field("FieldOne").Field("FieldTwo").From("Table").Limit(1);
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_INNER_Join__Add_SQL_Expression()
{
var expected = "SELECT s.id FROM students s WHERE (s.name <> 'Fred' AND (s.id = 5 OR s.id = 6)) INNER JOIN teachers t ON (s.id = t.sid AND t.name = 'Frances')";
var sql = new SQL();
var sqlExpressionJoin = new SQL();
var sqlExpressionWhere = new SQL();
sql.Select().Field("s.id")
.From("students", "s")
.Where(
sqlExpressionWhere.Expr()
.And("s.name <> 'Fred'")
.OrBegin()
.Or("s.id = 5")
.Or("s.id = 6")
.End()
)
.Join("teachers", "t",
sqlExpressionJoin.Expr()
.And("s.id = t.sid")
.And("t.name = 'Frances'")
);
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_Inner_Joim()
{
var expected = "SELECT * FROM students INNER JOIN teachers";
var sql = new SQL();
sql.Select()
.From("students")
.Join("teachers");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Three_Fields_From_One_Table_With_Where_Two_OrderBys_Limit_Condition()
{
var expected = "SELECT FieldOne, FieldTwo FROM Table WHERE (FieldOne = valueOne) ORDER BY FieldOne DESC, FieldTwo ASC LIMIT 2";
var sql = new SQL();
sql.Select().Field("FieldOne").Field("FieldTwo")
.From("Table")
.Where("FieldOne = valueOne")
.OrderBy("FieldOne").Desc()
.OrderBy("FieldTwo").Asc()
.Limit(2);
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Three_Fields_From_One_Table_With_Where_Condition()
{
var expected = "SELECT FieldOne, FieldTwo FROM Table WHERE (FieldOne = valueOne)";
var sql = new SQL();
sql.Select().Field("FieldOne").Field("FieldTwo").From("Table").Where("FieldOne = valueOne");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Three_Fields_From_One_Table_With_OrderBy_DESC()
{
var expected = "SELECT FieldOne, FieldTwo FROM Table ORDER BY FieldOne DESC";
var sql = new SQL();
sql.Select().Field("FieldOne").Field("FieldTwo").From("Table").OrderBy("FieldOne").Desc();
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Simple_Select_With_Distinct()
{
var expected = "SELECT DISTINCT id FROM students";
var sql = new SQL();
sql.Select()
.From("students")
.Field("id")
.Distinct();
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Simple_Select_With_Some_GroupsBy()
{
var expected = "SELECT id FROM students GROUP BY id, students.name";
var sql = new SQL();
sql.Select()
.Field("id")
.From("students")
.Group("id")
.Group("students.name");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_Left_Join()
{
var expected = "SELECT students.id FROM students LEFT JOIN teachers ON (students.id = teachers.student_id)";
var sql = new SQL();
sql.Select()
.Field("students.id")
.From("students")
.LeftJoin("teachers", "students.id = teachers.student_id");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_Left_Join__Add_Alias_And_Right_Join_Add_Alias()
{
var expected = "SELECT students.id FROM students LEFT JOIN teachers t ON (students.id = t.student_id) RIGHT JOIN jailed j ON (j.student_id = students.id)";
var sql = new SQL();
sql.Select()
.Field("students.id")
.From("students")
.LeftJoin("teachers", "t", "students.id = t.student_id")
.RightJoin("jailed", "j", "j.student_id = students.id");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_With_Outer_Join_With_Alias()
{
var expected = "SELECT * FROM students INNER JOIN teachers t OUTER JOIN expelled";
var sql = new SQL();
sql.Select()
.From("students")
.Join("teachers", "t")
.OuterJoin("expelled");
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_One_Fields_From_One_Table_With_Where_Expresion()
{
var expected = "SELECT FieldOne FROM Table WHERE (FieldOne = 'valueOne' OR FieldTwo > ValueTwo)";
var sql = new SQL();
var sqlExpresion = new SQL();
sql.Select().Field("FieldOne")
.From("Table")
.Where(sqlExpresion.Expr().And("FieldOne = 'valueOne'").Or("FieldTwo > ValueTwo"));
Assert.AreEqual(expected, sql.ToString());
}
public void Should_Return_Select_Three_Fields_From_One_Table_With_GroupBy()
{
var expected = "SELECT FieldOne, FieldTwo FROM Table GROUP BY FieldOne";
var sql = new SQL();
sql.Select().Field("FieldOne").Field("FieldTwo").From("Table").Group("FieldOne");
Assert.AreEqual(expected, sql.ToString());
}
