github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/plan/function/builtin/multi/pi_test.go (about)

     1  // Copyright 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package multi
    16  
    17  import (
    18  	"context"
    19  	"log"
    20  	"math"
    21  	"testing"
    22  
    23  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    24  	"github.com/smartystreets/goconvey/convey"
    25  )
    26  
    27  func Test_Pi(t *testing.T) {
    28  	convey.Convey("Test Pi function succ", t, func() {
    29  		vec, err := Pi(nil, nil)
    30  		convey.So(err, convey.ShouldBeNil)
    31  		convey.So(vec.Nsp.Np, convey.ShouldBeNil)
    32  		data, ok := vec.Col.([]float64)
    33  		if !ok {
    34  			log.Fatal(moerr.NewInternalError(context.TODO(), "the Pi function return value type is not []float64"))
    35  		}
    36  		convey.So(data[0], convey.ShouldEqual, math.Pi)
    37  
    38  	})
    39  }