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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package attribute_test
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/assert"
"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.Int64() correctly returns negative 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)
}
}
}
func TestEquivalence(t *testing.T) {
pairs := [][2]attribute.KeyValue{
{
attribute.Bool("Bool", true),
attribute.Bool("Bool", true),
},
{
attribute.BoolSlice("BoolSlice", []bool{true, false, true}),
attribute.BoolSlice("BoolSlice", []bool{true, false, true}),
},
{
attribute.Int("Int", 34),
attribute.Int("Int", 34),
},
{
attribute.IntSlice("IntSlice", []int{312, 1, -2}),
attribute.IntSlice("IntSlice", []int{312, 1, -2}),
},
{
attribute.Int64("Int64", 98),
attribute.Int64("Int64", 98),
},
{
attribute.Int64Slice("Int64Slice", []int64{12, 1298, -219, 2}),
attribute.Int64Slice("Int64Slice", []int64{12, 1298, -219, 2}),
},
{
attribute.Float64("Float64", 19.09),
attribute.Float64("Float64", 19.09),
},
{
attribute.Float64Slice("Float64Slice", []float64{12398.1, -37.1713873737, 3}),
attribute.Float64Slice("Float64Slice", []float64{12398.1, -37.1713873737, 3}),
},
{
attribute.String("String", "string value"),
attribute.String("String", "string value"),
},
{
attribute.StringSlice("StringSlice", []string{"one", "two", "three"}),
attribute.StringSlice("StringSlice", []string{"one", "two", "three"}),
},
}
t.Run("Distinct", func(t *testing.T) {
for _, p := range pairs {
s0, s1 := attribute.NewSet(p[0]), attribute.NewSet(p[1])
m := map[attribute.Distinct]struct{}{s0.Equivalent(): {}}
_, ok := m[s1.Equivalent()]
assert.Truef(t, ok, "Distinct comparison of %s type: not equivalent", p[0].Value.Type())
assert.Truef(
t,
ok,
"Distinct comparison of %s type: not equivalent: %s != %s",
p[0].Value.Type(),
s0.Encoded(attribute.DefaultEncoder()),
s1.Encoded(attribute.DefaultEncoder()),
)
}
})
t.Run("Set", func(t *testing.T) {
// Maintain backwards compatibility.
for _, p := range pairs {
s0, s1 := attribute.NewSet(p[0]), attribute.NewSet(p[1])
m := map[attribute.Set]struct{}{s0: {}}
_, ok := m[s1]
assert.Truef(
t,
ok,
"Set comparison of %s type: not equivalent: %s != %s",
p[0].Value.Type(),
s0.Encoded(attribute.DefaultEncoder()),
s1.Encoded(attribute.DefaultEncoder()),
)
}
})
}
func TestAsSlice(t *testing.T) {
bs1 := []bool{true, false, true}
kv := attribute.BoolSlice("BoolSlice", bs1)
bs2 := kv.Value.AsBoolSlice()
assert.Equal(t, bs1, bs2)
i64s1 := []int64{12, 1298, -219, 2}
kv = attribute.Int64Slice("Int64Slice", i64s1)
i64s2 := kv.Value.AsInt64Slice()
assert.Equal(t, i64s1, i64s2)
is1 := []int{12, 1298, -219, 2}
kv = attribute.IntSlice("IntSlice", is1)
i64s2 = kv.Value.AsInt64Slice()
assert.Equal(t, i64s1, i64s2)
fs1 := []float64{12398.1, -37.1713873737, 3}
kv = attribute.Float64Slice("Float64Slice", fs1)
fs2 := kv.Value.AsFloat64Slice()
assert.Equal(t, fs1, fs2)
ss1 := []string{"one", "two", "three"}
kv = attribute.StringSlice("StringSlice", ss1)
ss2 := kv.Value.AsStringSlice()
assert.Equal(t, ss1, ss2)
}
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