milvus/internal/parser/planparserv2/pattern_match_test.go

124 lines
3.7 KiB
Go

package planparserv2
import (
"testing"
"github.com/milvus-io/milvus/pkg/v2/proto/planpb"
)
func Test_translatePatternMatch(t *testing.T) {
type args struct {
pattern string
}
tests := []struct {
name string
args args
wantOp planpb.OpType
wantOperand string
wantErr bool
}{
{
args: args{pattern: "prefix%"},
wantOp: planpb.OpType_PrefixMatch,
wantOperand: "prefix",
wantErr: false,
},
{
args: args{pattern: "equal"},
wantOp: planpb.OpType_Equal,
wantOperand: "equal",
wantErr: false,
},
{
args: args{pattern: "%%%%%%"},
wantOp: planpb.OpType_PrefixMatch,
wantOperand: "",
wantErr: false,
},
{
args: args{pattern: "prefix%suffix"},
wantOp: planpb.OpType_Match,
wantOperand: "prefix%suffix",
wantErr: false,
},
{
args: args{pattern: "_0"},
wantOp: planpb.OpType_Match,
wantOperand: "_0",
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotOp, gotOperand, err := translatePatternMatch(tt.args.pattern)
if (err != nil) != tt.wantErr {
t.Errorf("translatePatternMatch(%s) error = %v, wantErr %v", tt.args.pattern, err, tt.wantErr)
return
}
if gotOp != tt.wantOp {
t.Errorf("translatePatternMatch(%s) gotOp = %v, want %v", tt.args.pattern, gotOp, tt.wantOp)
}
if gotOperand != tt.wantOperand {
t.Errorf("translatePatternMatch(%s) gotOperand = %v, want %v", tt.args.pattern, gotOperand, tt.wantOperand)
}
})
}
}
func TestOptimizeLikePattern(t *testing.T) {
tests := []struct {
pattern string
expectedType planpb.OpType
expectedStr string
expectedOk bool
}{
// inner match
{"%abc%", planpb.OpType_InnerMatch, "abc", true},
{"%a\\%b%", planpb.OpType_InnerMatch, "a%b", true},
{"%a\\_b%", planpb.OpType_InnerMatch, "a_b", true},
{"%a\\\\%", planpb.OpType_InnerMatch, "a\\\\", true},
{"%a\t%", planpb.OpType_InnerMatch, "a\t", true},
{"%", planpb.OpType_PrefixMatch, "", true},
{"%%", planpb.OpType_PrefixMatch, "", true},
{"%a%b%", planpb.OpType_Invalid, "", false},
{"%a_b%", planpb.OpType_Invalid, "", false},
{"%abc\\", planpb.OpType_PostfixMatch, "abc\\", true},
{"%核心%", planpb.OpType_InnerMatch, "核心", true},
{"%核%", planpb.OpType_InnerMatch, "核", true},
{"%\u6838%", planpb.OpType_InnerMatch, "核", true},
{"%\u6838%", planpb.OpType_InnerMatch, "\u6838", true},
// prefix match
{"abc%", planpb.OpType_PrefixMatch, "abc", true},
{"a\\%bc%", planpb.OpType_PrefixMatch, "a%bc", true},
{"a\\_bc%", planpb.OpType_PrefixMatch, "a_bc", true},
{"_abc%", planpb.OpType_Invalid, "", false},
// posix match
{"%abc", planpb.OpType_PostfixMatch, "abc", true},
{"%a\\_bc", planpb.OpType_PostfixMatch, "a_bc", true},
{"%abc_", planpb.OpType_Invalid, "", false},
{"%臥蜜", planpb.OpType_PostfixMatch, "臥蜜", true},
{"%%臥蜜", planpb.OpType_PostfixMatch, "臥蜜", true},
{"%\u81e5\u871c", planpb.OpType_PostfixMatch, "臥蜜", true},
// equal match
{"abc", planpb.OpType_Equal, "abc", true},
{"a\\%bc", planpb.OpType_Equal, "a%bc", true},
{"a\\_bc", planpb.OpType_Equal, "a_bc", true},
{"abc_", planpb.OpType_Invalid, "", false},
// null pattern
{"", planpb.OpType_Equal, "", true},
}
for _, test := range tests {
actualType, actualStr, actualOk := optimizeLikePattern(test.pattern)
if actualType != test.expectedType || actualStr != test.expectedStr || actualOk != test.expectedOk {
t.Errorf("optimizeLikePattern(%q) = (%q, %q, %v), expected (%q, %q, %v)",
test.pattern, actualType, actualStr, actualOk,
test.expectedType, test.expectedStr, test.expectedOk)
}
}
}