Files
db/exp/window_func_test.go
whatandClaude 304d553b3c docs: Add CLAUDE.md with codebase guidance
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🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-09-27 15:47:28 +08:00

108 lines
4.4 KiB
Go

package exp_test
import (
"testing"
"git.fsdpf.net/go/db/exp"
"github.com/stretchr/testify/suite"
)
type sqlWindowFunctionExpressionTest struct {
suite.Suite
fn exp.SQLFunctionExpression
}
func TestSQLWindowFunctionExpressionSuite(t *testing.T) {
suite.Run(t, &sqlWindowFunctionExpressionTest{
fn: exp.NewSQLFunctionExpression("COUNT", exp.Star()),
})
}
func (swfet *sqlWindowFunctionExpressionTest) TestClone() {
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, exp.NewIdentifierExpression("", "", "a"), nil)
wf2 := wf.Clone()
swfet.Equal(wf, wf2)
}
func (swfet *sqlWindowFunctionExpressionTest) TestExpression() {
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, exp.NewIdentifierExpression("", "", "a"), nil)
wf2 := wf.Expression()
swfet.Equal(wf, wf2)
}
func (swfet *sqlWindowFunctionExpressionTest) TestFunc() {
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, exp.NewIdentifierExpression("", "", "a"), nil)
swfet.Equal(swfet.fn, wf.Func())
}
func (swfet *sqlWindowFunctionExpressionTest) TestWindow() {
w := exp.NewWindowExpression(
exp.NewIdentifierExpression("", "", "w"),
nil,
nil,
nil,
)
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, exp.NewIdentifierExpression("", "", "a"), nil)
swfet.False(wf.HasWindow())
wf = swfet.fn.Over(w)
swfet.True(wf.HasWindow())
swfet.Equal(wf.Window(), w)
}
func (swfet *sqlWindowFunctionExpressionTest) TestWindowName() {
windowName := exp.NewIdentifierExpression("", "", "a")
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, nil, nil)
swfet.False(wf.HasWindowName())
wf = swfet.fn.OverName(windowName)
swfet.True(wf.HasWindowName())
swfet.Equal(wf.WindowName(), windowName)
}
func (swfet *sqlWindowFunctionExpressionTest) TestAllOthers() {
wf := exp.NewSQLWindowFunctionExpression(swfet.fn, nil, nil)
rv := exp.NewRangeVal(1, 2)
pattern := "a%"
inVals := []interface{}{1, 2}
testCases := []struct {
Ex exp.Expression
Expected exp.Expression
}{
{Ex: wf.As("a"), Expected: exp.NewAliasExpression(wf, "a")},
{Ex: wf.Eq(1), Expected: exp.NewBooleanExpression(exp.EqOp, wf, 1)},
{Ex: wf.Neq(1), Expected: exp.NewBooleanExpression(exp.NeqOp, wf, 1)},
{Ex: wf.Gt(1), Expected: exp.NewBooleanExpression(exp.GtOp, wf, 1)},
{Ex: wf.Gte(1), Expected: exp.NewBooleanExpression(exp.GteOp, wf, 1)},
{Ex: wf.Lt(1), Expected: exp.NewBooleanExpression(exp.LtOp, wf, 1)},
{Ex: wf.Lte(1), Expected: exp.NewBooleanExpression(exp.LteOp, wf, 1)},
{Ex: wf.Between(rv), Expected: exp.NewRangeExpression(exp.BetweenOp, wf, rv)},
{Ex: wf.NotBetween(rv), Expected: exp.NewRangeExpression(exp.NotBetweenOp, wf, rv)},
{Ex: wf.Like(pattern), Expected: exp.NewBooleanExpression(exp.LikeOp, wf, pattern)},
{Ex: wf.NotLike(pattern), Expected: exp.NewBooleanExpression(exp.NotLikeOp, wf, pattern)},
{Ex: wf.ILike(pattern), Expected: exp.NewBooleanExpression(exp.ILikeOp, wf, pattern)},
{Ex: wf.NotILike(pattern), Expected: exp.NewBooleanExpression(exp.NotILikeOp, wf, pattern)},
{Ex: wf.RegexpLike(pattern), Expected: exp.NewBooleanExpression(exp.RegexpLikeOp, wf, pattern)},
{Ex: wf.RegexpNotLike(pattern), Expected: exp.NewBooleanExpression(exp.RegexpNotLikeOp, wf, pattern)},
{Ex: wf.RegexpILike(pattern), Expected: exp.NewBooleanExpression(exp.RegexpILikeOp, wf, pattern)},
{Ex: wf.RegexpNotILike(pattern), Expected: exp.NewBooleanExpression(exp.RegexpNotILikeOp, wf, pattern)},
{Ex: wf.In(inVals), Expected: exp.NewBooleanExpression(exp.InOp, wf, inVals)},
{Ex: wf.NotIn(inVals), Expected: exp.NewBooleanExpression(exp.NotInOp, wf, inVals)},
{Ex: wf.Is(true), Expected: exp.NewBooleanExpression(exp.IsOp, wf, true)},
{Ex: wf.IsNot(true), Expected: exp.NewBooleanExpression(exp.IsNotOp, wf, true)},
{Ex: wf.IsNull(), Expected: exp.NewBooleanExpression(exp.IsOp, wf, nil)},
{Ex: wf.IsNotNull(), Expected: exp.NewBooleanExpression(exp.IsNotOp, wf, nil)},
{Ex: wf.IsTrue(), Expected: exp.NewBooleanExpression(exp.IsOp, wf, true)},
{Ex: wf.IsNotTrue(), Expected: exp.NewBooleanExpression(exp.IsNotOp, wf, true)},
{Ex: wf.IsFalse(), Expected: exp.NewBooleanExpression(exp.IsOp, wf, false)},
{Ex: wf.IsNotFalse(), Expected: exp.NewBooleanExpression(exp.IsNotOp, wf, false)},
{Ex: wf.Desc(), Expected: exp.NewOrderedExpression(wf, exp.DescSortDir, exp.NoNullsSortType)},
{Ex: wf.Asc(), Expected: exp.NewOrderedExpression(wf, exp.AscDir, exp.NoNullsSortType)},
}
for _, tc := range testCases {
swfet.Equal(tc.Expected, tc.Ex)
}
}