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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package resource
import (
"context"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/attribute"
ottest "go.opentelemetry.io/otel/sdk/internal/internaltest"
semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
)
func TestDetectOnePair(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: "key=value",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, NewSchemaless(attribute.String("key", "value")), res)
}
func TestDetectURIEncodingOnePair(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: "key=x+y+z?q=123",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, NewSchemaless(attribute.String("key", "x+y+z?q=123")), res)
}
func TestDetectMultiPairs(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
"x": "1",
resourceAttrKey: "key=value, k = v , a= x, a=z, b=c%2Fd",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, NewSchemaless(
attribute.String("key", "value"),
attribute.String("k", "v"),
attribute.String("a", "x"),
attribute.String("a", "z"),
attribute.String("b", "c/d"),
), res)
}
func TestDetectURIEncodingMultiPairs(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
"x": "1",
resourceAttrKey: "key=x+y+z,namespace=localhost/test&verify",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, NewSchemaless(
attribute.String("key", "x+y+z"),
attribute.String("namespace", "localhost/test&verify"),
), res)
}
func TestEmpty(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: " ",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, Empty(), res)
}
func TestNoResourceAttributesSet(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
svcNameKey: "bar",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, res, NewSchemaless(
semconv.ServiceName("bar"),
))
}
func TestMissingKeyError(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: "key=value,key",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
assert.Error(t, err)
assert.Equal(t, err, fmt.Errorf("%w: %v", errMissingValue, "[key]"))
assert.Equal(t, res, NewSchemaless(
attribute.String("key", "value"),
))
}
func TestInvalidPercentDecoding(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: "key=%invalid",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
assert.NoError(t, err)
assert.Equal(t, NewSchemaless(
attribute.String("key", "%invalid"),
), res)
}
func TestDetectServiceNameFromEnv(t *testing.T) {
store, err := ottest.SetEnvVariables(map[string]string{
resourceAttrKey: "key=value,service.name=foo",
svcNameKey: "bar",
})
require.NoError(t, err)
defer func() { require.NoError(t, store.Restore()) }()
detector := &fromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, res, NewSchemaless(
attribute.String("key", "value"),
semconv.ServiceName("bar"),
))
}
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