package sqlbuilder

import (
	"testing"
)

func TestJoinNilInputs(t *testing.T) {
	assertClauseSerializeErr(t, table2.INNER_JOIN(nil, table1ColBool.EQ(table2ColBool)),
		"right hand side of join operation is nil table")
	assertClauseSerializeErr(t, table2.INNER_JOIN(table1, nil),
		"join condition is nil")
}

func TestINNER_JOIN(t *testing.T) {
	assertClauseSerialize(t, table1.
		INNER_JOIN(table2, table1ColInt.EQ(table2ColInt)),
		`db.table1
INNER JOIN db.table2 ON (table1.colInt = table2.colInt)`)
	assertClauseSerialize(t, table1.
		INNER_JOIN(table2, table1ColInt.EQ(table2ColInt)).
		INNER_JOIN(table3, table1ColInt.EQ(table3ColInt)),
		`db.table1
INNER JOIN db.table2 ON (table1.colInt = table2.colInt)
INNER JOIN db.table3 ON (table1.colInt = table3.colInt)`)
	assertClauseSerialize(t, table1.
		INNER_JOIN(table2, table1ColInt.EQ(Int(1))).
		INNER_JOIN(table3, table1ColInt.EQ(Int(2))),
		`db.table1
INNER JOIN db.table2 ON (table1.colInt = $1)
INNER JOIN db.table3 ON (table1.colInt = $2)`, int64(1), int64(2))
}

func TestLEFT_JOIN(t *testing.T) {
	assertClauseSerialize(t, table1.
		LEFT_JOIN(table2, table1ColInt.EQ(table2ColInt)),
		`db.table1
LEFT JOIN db.table2 ON (table1.colInt = table2.colInt)`)
	assertClauseSerialize(t, table1.
		LEFT_JOIN(table2, table1ColInt.EQ(table2ColInt)).
		LEFT_JOIN(table3, table1ColInt.EQ(table3ColInt)),
		`db.table1
LEFT JOIN db.table2 ON (table1.colInt = table2.colInt)
LEFT JOIN db.table3 ON (table1.colInt = table3.colInt)`)
	assertClauseSerialize(t, table1.
		LEFT_JOIN(table2, table1ColInt.EQ(Int(1))).
		LEFT_JOIN(table3, table1ColInt.EQ(Int(2))),
		`db.table1
LEFT JOIN db.table2 ON (table1.colInt = $1)
LEFT JOIN db.table3 ON (table1.colInt = $2)`, int64(1), int64(2))
}

func TestRIGHT_JOIN(t *testing.T) {
	assertClauseSerialize(t, table1.
		RIGHT_JOIN(table2, table1ColInt.EQ(table2ColInt)),
		`db.table1
RIGHT JOIN db.table2 ON (table1.colInt = table2.colInt)`)
	assertClauseSerialize(t, table1.
		RIGHT_JOIN(table2, table1ColInt.EQ(table2ColInt)).
		RIGHT_JOIN(table3, table1ColInt.EQ(table3ColInt)),
		`db.table1
RIGHT JOIN db.table2 ON (table1.colInt = table2.colInt)
RIGHT JOIN db.table3 ON (table1.colInt = table3.colInt)`)
	assertClauseSerialize(t, table1.
		RIGHT_JOIN(table2, table1ColInt.EQ(Int(1))).
		RIGHT_JOIN(table3, table1ColInt.EQ(Int(2))),
		`db.table1
RIGHT JOIN db.table2 ON (table1.colInt = $1)
RIGHT JOIN db.table3 ON (table1.colInt = $2)`, int64(1), int64(2))
}

func TestFULL_JOIN(t *testing.T) {
	assertClauseSerialize(t, table1.
		FULL_JOIN(table2, table1ColInt.EQ(table2ColInt)),
		`db.table1
FULL JOIN db.table2 ON (table1.colInt = table2.colInt)`)
	assertClauseSerialize(t, table1.
		FULL_JOIN(table2, table1ColInt.EQ(table2ColInt)).
		FULL_JOIN(table3, table1ColInt.EQ(table3ColInt)),
		`db.table1
FULL JOIN db.table2 ON (table1.colInt = table2.colInt)
FULL JOIN db.table3 ON (table1.colInt = table3.colInt)`)
	assertClauseSerialize(t, table1.
		FULL_JOIN(table2, table1ColInt.EQ(Int(1))).
		FULL_JOIN(table3, table1ColInt.EQ(Int(2))),
		`db.table1
FULL JOIN db.table2 ON (table1.colInt = $1)
FULL JOIN db.table3 ON (table1.colInt = $2)`, int64(1), int64(2))
}

func TestCROSS_JOIN(t *testing.T) {
	assertClauseSerialize(t, table1.
		CROSS_JOIN(table2),
		`db.table1
CROSS JOIN db.table2`)
	assertClauseSerialize(t, table1.
		CROSS_JOIN(table2).
		CROSS_JOIN(table3),
		`db.table1
CROSS JOIN db.table2
CROSS JOIN db.table3`)
}