128 lines
2.2 KiB
Go
128 lines
2.2 KiB
Go
package sqlbuilder
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import (
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"fmt"
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"gotest.tools/assert"
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"testing"
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)
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func TestUnionNoSelect(t *testing.T) {
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_, _, err := UNION().Sql()
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assert.Assert(t, err != nil)
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//fmt.Println(err.Error())
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//fmt.Print(query, args)
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}
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func TestUnionOneSelect(t *testing.T) {
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_, _, err := UNION(
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table1.SELECT(table1Col1),
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).Sql()
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assert.Assert(t, err != nil)
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}
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func TestUnionTwoSelect(t *testing.T) {
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query, args, err := UNION(
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table1.SELECT(table1Col1),
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table2.SELECT(table2Col3),
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).Sql()
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assert.NilError(t, err)
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fmt.Println(query)
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assert.Equal(t, query, `
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(
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(
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SELECT table1.col1 AS "table1.col1"
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FROM db.table1
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)
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UNION
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(
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SELECT table2.col3 AS "table2.col3"
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FROM db.table2
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)
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);
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`)
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assert.Equal(t, len(args), 0)
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}
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func TestUnionThreeSelect(t *testing.T) {
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query, args, err := UNION(
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table1.SELECT(table1Col1),
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table2.SELECT(table2Col3),
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table3.SELECT(table3Col1),
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).Sql()
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fmt.Println(query)
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assert.NilError(t, err)
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assert.Equal(t, query, `
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(
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(
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SELECT table1.col1 AS "table1.col1"
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FROM db.table1
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)
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UNION
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(
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SELECT table2.col3 AS "table2.col3"
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FROM db.table2
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)
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UNION
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(
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SELECT table3.col1 AS "table3.col1"
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FROM db.table3
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)
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);
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`)
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assert.Equal(t, len(args), 0)
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}
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func TestUnionWithOrderBy(t *testing.T) {
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query, args, err := UNION(
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table1.SELECT(table1Col1),
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table2.SELECT(table2Col3),
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).ORDER_BY(table1Col1.ASC()).Sql()
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assert.NilError(t, err)
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fmt.Println(query)
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assert.Equal(t, query, `
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(
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(
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SELECT table1.col1 AS "table1.col1"
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FROM db.table1
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)
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UNION
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(
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SELECT table2.col3 AS "table2.col3"
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FROM db.table2
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)
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)
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ORDER BY "table1.col1" ASC;
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`)
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assert.Equal(t, len(args), 0)
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}
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func TestUnionWithLimit(t *testing.T) {
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query, args, err := UNION(
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table1.SELECT(table1Col1),
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table2.SELECT(table2Col3),
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).LIMIT(10).OFFSET(11).Sql()
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assert.NilError(t, err)
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fmt.Println(query)
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assert.Equal(t, query, `
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(
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(
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SELECT table1.col1 AS "table1.col1"
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FROM db.table1
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)
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UNION
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(
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SELECT table2.col3 AS "table2.col3"
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FROM db.table2
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)
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)
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LIMIT $1
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OFFSET $2;
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`)
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assert.Equal(t, len(args), 2)
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}
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