mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
f995380e58
* Move `api/label` to `label` * Move `api/kv` package contents into `label` package * Unify label package name * Move `api/internal/rawhelpers.go` to `internal` * Propagate replacing `api/kv` with `label` pkg * golint * Fix over-aggressive change * Update Changelog
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package resource
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import (
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"context"
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"fmt"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/label"
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)
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func TestDetectOnePair(t *testing.T) {
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os.Setenv(envVar, "key=value")
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detector := &FromEnv{}
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res, err := detector.Detect(context.Background())
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require.NoError(t, err)
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assert.Equal(t, New(label.String("key", "value")), res)
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}
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func TestDetectMultiPairs(t *testing.T) {
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os.Setenv("x", "1")
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os.Setenv(envVar, "key=value, k = v , a= x, a=z")
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detector := &FromEnv{}
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res, err := detector.Detect(context.Background())
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require.NoError(t, err)
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assert.Equal(t, res, New(
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label.String("key", "value"),
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label.String("k", "v"),
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label.String("a", "x"),
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label.String("a", "z"),
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))
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}
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func TestEmpty(t *testing.T) {
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os.Setenv(envVar, "")
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detector := &FromEnv{}
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res, err := detector.Detect(context.Background())
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require.Error(t, err)
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assert.Equal(t, err, ErrMissingResource)
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assert.Equal(t, Empty(), res)
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}
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func TestMissingKeyError(t *testing.T) {
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os.Setenv(envVar, "key=value,key")
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detector := &FromEnv{}
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res, err := detector.Detect(context.Background())
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assert.Error(t, err)
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assert.Equal(t, err, fmt.Errorf("%w: %v", errMissingValue, "[key]"))
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assert.Equal(t, res, New(
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label.String("key", "value"),
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))
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}
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