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Copy pathplan_value_test.go
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314 lines (299 loc) · 6.89 KB
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/*
Copyright 2019 The Vitess Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package sqltypes
import (
"fmt"
"reflect"
"strings"
"testing"
querypb "github.com/stackql/stackql-parser/go/vt/proto/query"
"github.com/stretchr/testify/assert"
)
func TestPlanValueIsNull(t *testing.T) {
tcases := []struct {
in PlanValue
out bool
}{{
in: PlanValue{},
out: true,
}, {
in: PlanValue{Key: "aa"},
out: false,
}, {
in: PlanValue{Value: NewVarBinary("aa")},
out: false,
}, {
in: PlanValue{ListKey: "aa"},
out: false,
}, {
in: PlanValue{Values: []PlanValue{}},
out: false,
}}
for _, tc := range tcases {
got := tc.in.IsNull()
if got != tc.out {
t.Errorf("IsNull(%v): %v, want %v", tc.in, got, tc.out)
}
}
}
func TestPlanValueIsList(t *testing.T) {
tcases := []struct {
in PlanValue
out bool
}{{
in: PlanValue{},
out: false,
}, {
in: PlanValue{Key: "aa"},
out: false,
}, {
in: PlanValue{Value: NewVarBinary("aa")},
out: false,
}, {
in: PlanValue{ListKey: "aa"},
out: true,
}, {
in: PlanValue{Values: []PlanValue{}},
out: true,
}}
for _, tc := range tcases {
got := tc.in.IsList()
if got != tc.out {
t.Errorf("IsList(%v): %v, want %v", tc.in, got, tc.out)
}
}
}
func TestResolveRows(t *testing.T) {
testBindVars := map[string]*querypb.BindVariable{
"int": Int64BindVariable(10),
"intstr": TestBindVariable([]interface{}{10, "aa"}),
}
intValue := MakeTrusted(Int64, []byte("10"))
strValue := MakeTrusted(VarBinary, []byte("aa"))
tcases := []struct {
in []PlanValue
out [][]Value
err string
}{{
// Simple cases.
in: []PlanValue{
{Key: "int"},
},
out: [][]Value{
{intValue},
},
}, {
in: []PlanValue{
{Value: intValue},
},
out: [][]Value{
{intValue},
},
}, {
in: []PlanValue{
{ListKey: "intstr"},
},
out: [][]Value{
{intValue},
{strValue},
},
}, {
in: []PlanValue{
{Values: []PlanValue{{Value: intValue}, {Value: strValue}}},
},
out: [][]Value{
{intValue},
{strValue},
},
}, {
in: []PlanValue{
{Values: []PlanValue{{Key: "int"}, {Value: strValue}}},
},
out: [][]Value{
{intValue},
{strValue},
},
}, {
in: []PlanValue{{}},
out: [][]Value{
{NULL},
},
}, {
// Cases with varying rowcounts.
// All types of input..
in: []PlanValue{
{Key: "int"},
{Value: strValue},
{ListKey: "intstr"},
{Values: []PlanValue{{Value: strValue}, {Value: intValue}}},
},
out: [][]Value{
{intValue, strValue, intValue, strValue},
{intValue, strValue, strValue, intValue},
},
}, {
// list, val, list.
in: []PlanValue{
{Value: strValue},
{Key: "int"},
{Values: []PlanValue{{Value: strValue}, {Value: intValue}}},
},
out: [][]Value{
{strValue, intValue, strValue},
{strValue, intValue, intValue},
},
}, {
// list, list
in: []PlanValue{
{ListKey: "intstr"},
{Values: []PlanValue{{Value: strValue}, {Value: intValue}}},
},
out: [][]Value{
{intValue, strValue},
{strValue, intValue},
},
}, {
// Error cases
in: []PlanValue{
{ListKey: "intstr"},
{Values: []PlanValue{{Value: strValue}}},
},
err: "mismatch in number of column values",
}, {
// This is a different code path for a similar validation.
in: []PlanValue{
{Values: []PlanValue{{Value: strValue}}},
{ListKey: "intstr"},
},
err: "mismatch in number of column values",
}, {
in: []PlanValue{
{Key: "absent"},
},
err: "missing bind var absent",
}, {
in: []PlanValue{
{ListKey: "absent"},
},
err: "missing bind var absent",
}, {
in: []PlanValue{
{Values: []PlanValue{{Key: "absent"}}},
},
err: "missing bind var absent",
}}
for _, tc := range tcases {
t.Run(fmt.Sprintf("%v", tc.in), func(t *testing.T) {
got, err := ResolveRows(tc.in, testBindVars)
if tc.err != "" {
assert.EqualError(t, err, tc.err)
} else {
if !reflect.DeepEqual(got, tc.out) {
t.Errorf("ResolveRows(%v): %v, want %v", tc.in, got, tc.out)
}
}
})
}
}
func TestResolveList(t *testing.T) {
testBindVars := map[string]*querypb.BindVariable{
"int": Int64BindVariable(10),
"intstr": TestBindVariable([]interface{}{10, "aa"}),
}
intValue := MakeTrusted(Int64, []byte("10"))
strValue := MakeTrusted(VarBinary, []byte("aa"))
tcases := []struct {
in PlanValue
out []Value
err string
}{{
in: PlanValue{ListKey: "intstr"},
out: []Value{intValue, strValue},
}, {
in: PlanValue{Values: []PlanValue{{Value: intValue}, {Value: strValue}}},
out: []Value{intValue, strValue},
}, {
in: PlanValue{Values: []PlanValue{{Key: "int"}, {Value: strValue}}},
out: []Value{intValue, strValue},
}, {
in: PlanValue{ListKey: "absent"},
err: "missing bind var absent",
}, {
in: PlanValue{Values: []PlanValue{{Key: "absent"}, {Value: strValue}}},
err: "missing bind var absent",
}, {
in: PlanValue{ListKey: "int"},
err: "single value was supplied for TUPLE bind var int",
}, {
in: PlanValue{Key: "int"},
err: "a single value was supplied where a list was expected",
}}
for _, tc := range tcases {
t.Run(fmt.Sprintf("%v", tc.in), func(t *testing.T) {
got, err := tc.in.ResolveList(testBindVars)
if tc.err != "" {
assert.EqualError(t, err, tc.err)
} else {
if !reflect.DeepEqual(got, tc.out) {
t.Errorf("ResolveList(%v): %v, want %v", tc.in, got, tc.out)
}
}
})
}
}
func TestResolveValue(t *testing.T) {
testBindVars := map[string]*querypb.BindVariable{
"int": Int64BindVariable(10),
"intstr": TestBindVariable([]interface{}{10, "aa"}),
}
intValue := MakeTrusted(Int64, []byte("10"))
tcases := []struct {
in PlanValue
out Value
err string
}{{
in: PlanValue{Key: "int"},
out: intValue,
}, {
in: PlanValue{Value: intValue},
out: intValue,
}, {
in: PlanValue{},
out: NULL,
}, {
in: PlanValue{Key: "absent"},
err: "missing bind var",
}, {
in: PlanValue{Key: "intstr"},
err: "TUPLE was supplied for single value bind var",
}, {
in: PlanValue{ListKey: "intstr"},
err: "a list was supplied where a single value was expected",
}}
for _, tc := range tcases {
got, err := tc.in.ResolveValue(testBindVars)
if err != nil {
if !strings.Contains(err.Error(), tc.err) {
t.Errorf("ResolveValue(%v) error: %v, want '%s'", tc.in, err, tc.err)
}
continue
}
if tc.err != "" {
t.Errorf("ResolveValue(%v) error: nil, want '%s'", tc.in, tc.err)
continue
}
if !reflect.DeepEqual(got, tc.out) {
t.Errorf("ResolveValue(%v): %v, want %v", tc.in, got, tc.out)
}
}
}