fork github.com/doug-martin

exp/alias_test.go

@@ -0,0 +1,69 @@
+package exp_test
+
+import (
+	"testing"
+
+	"git.fsdpf.net/go/db/v2/exp"
+	"github.com/stretchr/testify/suite"
+)
+
+type aliasExpressionSuite struct {
+	suite.Suite
+}
+
+func TestAliasExpressionSuite(t *testing.T) {
+	suite.Run(t, &aliasExpressionSuite{})
+}
+
+func (aes *aliasExpressionSuite) TestClone() {
+	ae := exp.NewAliasExpression(exp.NewIdentifierExpression("", "", "col"), "c")
+	aes.Equal(ae, ae.Clone())
+}
+
+func (aes *aliasExpressionSuite) TestExpression() {
+	ae := exp.NewAliasExpression(exp.NewIdentifierExpression("", "", "col"), "c")
+	aes.Equal(ae, ae.Expression())
+}
+
+func (aes *aliasExpressionSuite) TestAliased() {
+	ident := exp.NewIdentifierExpression("", "", "col")
+	ae := exp.NewAliasExpression(ident, "c")
+	aes.Equal(ident, ae.Aliased())
+}
+
+func (aes *aliasExpressionSuite) TestGetAs() {
+	ae := exp.NewAliasExpression(exp.NewIdentifierExpression("", "", "col"), "c")
+	aes.Equal(exp.NewIdentifierExpression("", "", "c"), ae.GetAs())
+}
+
+func (aes *aliasExpressionSuite) TestSchema() {
+	si := exp.NewAliasExpression(
+		exp.NewIdentifierExpression("", "t", nil),
+		exp.NewIdentifierExpression("", "t", nil),
+	).Schema("s")
+	aes.Equal(exp.NewIdentifierExpression("s", "t", nil), si)
+}
+
+func (aes *aliasExpressionSuite) TestTable() {
+	si := exp.NewAliasExpression(
+		exp.NewIdentifierExpression("schema", "", nil),
+		exp.NewIdentifierExpression("s", "", nil),
+	).Table("t")
+	aes.Equal(exp.NewIdentifierExpression("s", "t", nil), si)
+}
+
+func (aes *aliasExpressionSuite) TestCol() {
+	si := exp.NewAliasExpression(
+		exp.NewIdentifierExpression("", "table", nil),
+		exp.NewIdentifierExpression("", "t", nil),
+	).Col("c")
+	aes.Equal(exp.NewIdentifierExpression("", "t", "c"), si)
+}
+
+func (aes *aliasExpressionSuite) TestAll() {
+	si := exp.NewAliasExpression(
+		exp.NewIdentifierExpression("", "table", nil),
+		exp.NewIdentifierExpression("", "t", nil),
+	).All()
+	aes.Equal(exp.NewIdentifierExpression("", "t", exp.Star()), si)
+}