forked from open-telemetry/opentelemetry-collector
/
factory_test.go
86 lines (75 loc) · 1.95 KB
/
factory_test.go
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// Copyright 2019, 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 extension
import (
"errors"
"testing"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
"github.com/open-telemetry/opentelemetry-collector/config/configmodels"
)
type TestFactory struct {
name string
}
// Type gets the type of the extension config created by this factory.
func (f *TestFactory) Type() string {
return f.name
}
// CreateDefaultConfig creates the default configuration for the extension.
func (f *TestFactory) CreateDefaultConfig() configmodels.Extension {
return nil
}
// CreateExtension creates a service extension based on this config.
func (f *TestFactory) CreateExtension(
logger *zap.Logger,
cfg configmodels.Extension,
) (ServiceExtension, error) {
return nil, errors.New("cannot create extension from TestFactory")
}
func TestFactoriesBuilder(t *testing.T) {
type testCase struct {
in []Factory
out map[string]Factory
err bool
}
testCases := []testCase{
{
in: []Factory{
&TestFactory{"ext1"},
&TestFactory{"ext2"},
},
out: map[string]Factory{
"ext1": &TestFactory{"ext1"},
"ext2": &TestFactory{"ext2"},
},
err: false,
},
{
in: []Factory{
&TestFactory{"ext1"},
&TestFactory{"ext1"},
},
err: true,
},
}
for _, c := range testCases {
out, err := Build(c.in...)
if c.err {
assert.NotNil(t, err)
continue
}
assert.Nil(t, err)
assert.Equal(t, c.out, out)
}
}