go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/buildbucket/appengine/model/utils_test.go (about)

     1  // Copyright 2020 The LUCI Authors.
     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 model
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"go.chromium.org/luci/gae/impl/memory"
    22  	"go.chromium.org/luci/gae/service/datastore"
    23  
    24  	. "github.com/smartystreets/goconvey/convey"
    25  )
    26  
    27  type testEntity struct {
    28  	ID  int `gae:"$id"`
    29  	Val int
    30  }
    31  
    32  func TestGetIgnoreMissing(t *testing.T) {
    33  	t.Parallel()
    34  
    35  	Convey("With datastore", t, func() {
    36  		ctx := memory.Use(context.Background())
    37  		datastore.GetTestable(ctx).AutoIndex(true)
    38  
    39  		for i := 1; i < 5; i++ {
    40  			So(datastore.Put(ctx, &testEntity{ID: i, Val: i}), ShouldBeNil)
    41  		}
    42  
    43  		Convey("No missing", func() {
    44  			exists := testEntity{ID: 1}
    45  			So(GetIgnoreMissing(ctx, &exists), ShouldBeNil)
    46  			So(exists.Val, ShouldEqual, 1)
    47  		})
    48  
    49  		Convey("Scalar args", func() {
    50  			exists1 := testEntity{ID: 1}
    51  			exists2 := testEntity{ID: 2}
    52  			missing := testEntity{ID: 1000}
    53  
    54  			Convey("One", func() {
    55  				So(GetIgnoreMissing(ctx, &exists1), ShouldBeNil)
    56  				So(exists1.Val, ShouldEqual, 1)
    57  
    58  				So(GetIgnoreMissing(ctx, &missing), ShouldBeNil)
    59  				So(missing.Val, ShouldEqual, 0)
    60  			})
    61  
    62  			Convey("Many", func() {
    63  				So(GetIgnoreMissing(ctx, &exists1, &missing, &exists2), ShouldBeNil)
    64  				So(exists1.Val, ShouldEqual, 1)
    65  				So(missing.Val, ShouldEqual, 0)
    66  				So(exists2.Val, ShouldEqual, 2)
    67  			})
    68  		})
    69  
    70  		Convey("Vector args", func() {
    71  			Convey("One", func() {
    72  				ents := []testEntity{{ID: 1}, {ID: 1000}, {ID: 2}}
    73  
    74  				So(GetIgnoreMissing(ctx, ents), ShouldBeNil)
    75  				So(ents[0].Val, ShouldEqual, 1)
    76  				So(ents[1].Val, ShouldEqual, 0)
    77  				So(ents[2].Val, ShouldEqual, 2)
    78  			})
    79  
    80  			Convey("Many", func() {
    81  				ents1 := []testEntity{{ID: 1}, {ID: 1000}, {ID: 2}}
    82  				ents2 := []testEntity{{ID: 3}, {ID: 1001}, {ID: 4}}
    83  
    84  				So(GetIgnoreMissing(ctx, ents1, ents2), ShouldBeNil)
    85  				So(ents1[0].Val, ShouldEqual, 1)
    86  				So(ents1[1].Val, ShouldEqual, 0)
    87  				So(ents1[2].Val, ShouldEqual, 2)
    88  				So(ents2[0].Val, ShouldEqual, 3)
    89  				So(ents2[1].Val, ShouldEqual, 0)
    90  				So(ents2[2].Val, ShouldEqual, 4)
    91  			})
    92  		})
    93  
    94  		Convey("Mixed args", func() {
    95  			exists := testEntity{ID: 1}
    96  			missing := testEntity{ID: 1000}
    97  			ents := []testEntity{{ID: 3}, {ID: 1001}, {ID: 4}}
    98  
    99  			So(GetIgnoreMissing(ctx, &exists, &missing, ents), ShouldBeNil)
   100  			So(exists.Val, ShouldEqual, 1)
   101  			So(missing.Val, ShouldEqual, 0)
   102  			So(ents[0].Val, ShouldEqual, 3)
   103  			So(ents[1].Val, ShouldEqual, 0)
   104  			So(ents[2].Val, ShouldEqual, 4)
   105  		})
   106  	})
   107  }