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opentelemetry-go/attribute/value_test.go

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// Copyright The OpenTelemetry 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 attribute_test
import (
"testing"
"github.com/google/go-cmp/cmp"
"go.opentelemetry.io/otel/attribute"
)
func TestValue(t *testing.T) {
k := attribute.Key("test")
for _, testcase := range []struct {
name string
value attribute.Value
wantType attribute.Type
wantValue interface{}
}{
{
name: "Key.Bool() correctly returns keys's internal bool value",
value: k.Bool(true).Value,
wantType: attribute.BOOL,
wantValue: true,
},
{
name: "Key.BoolSlice() correctly returns keys's internal []bool value",
value: k.BoolSlice([]bool{true, false, true}).Value,
wantType: attribute.BOOLSLICE,
wantValue: []bool{true, false, true},
},
{
name: "Key.Int64() correctly returns keys's internal int64 value",
value: k.Int64(42).Value,
wantType: attribute.INT64,
wantValue: int64(42),
},
{
name: "Key.Int64Slice() correctly returns keys's internal []int64 value",
value: k.Int64Slice([]int64{42, -3, 12}).Value,
wantType: attribute.INT64SLICE,
wantValue: []int64{42, -3, 12},
},
{
name: "Key.Int() correctly returns keys's internal signed integral value",
value: k.Int(42).Value,
wantType: attribute.INT64,
wantValue: int64(42),
},
{
name: "Key.IntSlice() correctly returns keys's internal []int64 value",
value: k.IntSlice([]int{42, -3, 12}).Value,
wantType: attribute.INT64SLICE,
wantValue: []int64{42, -3, 12},
},
{
name: "Key.Float64() correctly returns keys's internal float64 value",
value: k.Float64(42.1).Value,
wantType: attribute.FLOAT64,
wantValue: 42.1,
},
{
name: "Key.Float64Slice() correctly returns keys's internal []float64 value",
value: k.Float64Slice([]float64{42, -3, 12}).Value,
wantType: attribute.FLOAT64SLICE,
wantValue: []float64{42, -3, 12},
},
{
name: "Key.String() correctly returns keys's internal string value",
value: k.String("foo").Value,
wantType: attribute.STRING,
wantValue: "foo",
},
{
name: "Key.StringSlice() correctly returns keys's internal []string value",
value: k.StringSlice([]string{"forty-two", "negative three", "twelve"}).Value,
wantType: attribute.STRINGSLICE,
wantValue: []string{"forty-two", "negative three", "twelve"},
},
} {
t.Logf("Running test case %s", testcase.name)
if testcase.value.Type() != testcase.wantType {
t.Errorf("wrong value type, got %#v, expected %#v", testcase.value.Type(), testcase.wantType)
}
if testcase.wantType == attribute.INVALID {
continue
}
got := testcase.value.AsInterface()
if diff := cmp.Diff(testcase.wantValue, got); diff != "" {
t.Errorf("+got, -want: %s", diff)
}
}
}