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config_test.go
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config_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 probabilisticsamplerprocessor
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/confmap/confmaptest"
"go.opentelemetry.io/collector/otelcol/otelcoltest"
)
func TestLoadConfig(t *testing.T) {
t.Parallel()
tests := []struct {
id component.ID
expected component.Config
}{
{
id: component.NewIDWithName(typeStr, ""),
expected: &Config{
SamplingPercentage: 15.3,
HashSeed: 22,
AttributeSource: "traceID",
},
},
{
id: component.NewIDWithName(typeStr, "logs"),
expected: &Config{
SamplingPercentage: 15.3,
HashSeed: 22,
AttributeSource: "record",
FromAttribute: "foo",
SamplingPriority: "bar",
},
},
}
for _, tt := range tests {
t.Run(tt.id.String(), func(t *testing.T) {
cm, err := confmaptest.LoadConf(filepath.Join("testdata", "config.yaml"))
require.NoError(t, err)
processors, err := cm.Sub("processors")
require.NoError(t, err)
factory := NewFactory()
cfg := factory.CreateDefaultConfig()
sub, err := processors.Sub(tt.id.String())
require.NoError(t, err)
require.NoError(t, component.UnmarshalConfig(sub, cfg))
assert.NoError(t, component.ValidateConfig(cfg))
assert.Equal(t, tt.expected, cfg)
})
}
}
func TestLoadInvalidConfig(t *testing.T) {
factories, err := otelcoltest.NopFactories()
require.NoError(t, err)
factory := NewFactory()
factories.Processors[typeStr] = factory
_, err = otelcoltest.LoadConfigAndValidate(filepath.Join("testdata", "invalid.yaml"), factories)
require.ErrorContains(t, err, "negative sampling rate: -15.30")
}