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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-04 09:43:23 +02:00
opentelemetry-go/sdk/resource/env_test.go
YANYZP 99c299877d
OT resource detector (#939)
* first

* all included

* constant

* res keys

* env detector

* Update sdk/detect/env.go

Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>

* new test cases and strings operation to handle labels

* solved conflict

* typo

* corrected comments

* deleted env var handling

* push again

* rerun

* restructuring

* new way to aggregate errors

* all in resources package and verbose comments

* solved merge conflicts

* included new error types

* improved error handling

* updated changelog.md

* updated changelog

* updated changelog.md

* updated changelog

* Update CHANGELOG.md

Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
Co-authored-by: Liz Fong-Jones <lizf@honeycomb.io>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2020-07-20 08:43:51 -07:00

74 lines
1.8 KiB
Go

// 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 resource
import (
"context"
"fmt"
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/api/kv"
)
func TestDetectOnePair(t *testing.T) {
os.Setenv(envVar, "key=value")
detector := &FromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, New(kv.String("key", "value")), res)
}
func TestDetectMultiPairs(t *testing.T) {
os.Setenv("x", "1")
os.Setenv(envVar, "key=value, k = v , a= x, a=z")
detector := &FromEnv{}
res, err := detector.Detect(context.Background())
require.NoError(t, err)
assert.Equal(t, res, New(
kv.String("key", "value"),
kv.String("k", "v"),
kv.String("a", "x"),
kv.String("a", "z"),
))
}
func TestEmpty(t *testing.T) {
os.Setenv(envVar, "")
detector := &FromEnv{}
res, err := detector.Detect(context.Background())
require.Error(t, err)
assert.Equal(t, err, ErrMissingResource)
assert.Equal(t, Empty(), res)
}
func TestMissingKeyError(t *testing.T) {
os.Setenv(envVar, "key=value,key")
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, New(
kv.String("key", "value"),
))
}