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|
package lexpr
import (
"context"
"reflect"
"testing"
)
func Test_lex_Parse(t *testing.T) {
type args struct {
input string
}
tests := []struct {
name string
args args
want []lexem
}{
{
name: "math",
args: args{
input: "min(3, 2) * max(10, 20) == 40",
},
want: []lexem{
{
Type: word,
Value: "min",
}, {
Type: lp,
Value: "(",
}, {
Type: number,
Value: "3",
}, {
Type: sep,
Value: ",",
}, {
Type: number,
Value: "2",
}, {
Type: rp,
Value: ")",
}, {
Type: op,
Value: "*",
}, {
Type: word,
Value: "max",
}, {
Type: lp,
Value: "(",
}, {
Type: number,
Value: "10",
}, {
Type: sep,
Value: ",",
}, {
Type: number,
Value: "20",
}, {
Type: rp,
Value: ")",
}, {
Type: op,
Value: "==",
}, {
Type: number,
Value: "40",
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
l := newLex()
gotCh := l.parse(context.Background(), tt.args.input)
got := []lexem{}
for o := range gotCh {
got = append(got, lexem{
Type: o.Type,
Value: o.Value,
})
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("lex.Parse() = %v, want %v", got, tt.want)
}
})
}
}
|
