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factory_test.go
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factory_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
//
// https://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 awsprometheusremotewriteexporter
import (
"context"
"os"
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/config/configcheck"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/config/configtls"
"go.uber.org/zap"
)
func TestType(t *testing.T) {
af := NewFactory()
assert.Equal(t, af.Type(), config.Type(typeStr))
}
//Tests whether or not the default Exporter factory can instantiate a properly interfaced Exporter with default conditions
func TestCreateDefaultConfig(t *testing.T) {
af := NewFactory()
cfg := af.CreateDefaultConfig()
assert.NotNil(t, cfg, "failed to create default config")
assert.NoError(t, configcheck.ValidateConfig(cfg))
}
//Tests whether or not a correct Metrics Exporter from the default Config parameters
func TestCreateMetricsExporter(t *testing.T) {
af := NewFactory()
validConfigWithAuth := af.CreateDefaultConfig().(*Config)
validConfigWithAuth.AuthConfig = AuthConfig{Region: "region", Service: "service"}
// Some form of AWS credentials chain required to test valid auth case
// This is a set of mock credentials strictly for testing purposes. Users
// should not set their credentials like this in production.
os.Setenv("AWS_ACCESS_KEY", "mock_value")
os.Setenv("AWS_SECRET_ACCESS_KEY", "mock_value2")
invalidConfigWithAuth := af.CreateDefaultConfig().(*Config)
invalidConfigWithAuth.AuthConfig = AuthConfig{Region: "", Service: "service"}
invalidConfig := af.CreateDefaultConfig().(*Config)
invalidConfig.HTTPClientSettings = confighttp.HTTPClientSettings{}
invalidTLSConfig := af.CreateDefaultConfig().(*Config)
invalidTLSConfig.HTTPClientSettings.TLSSetting = configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: "non-existent file",
CertFile: "",
KeyFile: "",
},
Insecure: false,
ServerName: "",
}
tests := []struct {
name string
cfg config.Exporter
params component.ExporterCreateParams
returnErrorOnCreate bool
returnErrorOnStart bool
}{
{
name: "success_case_with_auth",
cfg: validConfigWithAuth,
params: component.ExporterCreateParams{Logger: zap.NewNop()},
returnErrorOnCreate: false,
},
{
name: "invalid_config_case",
cfg: invalidConfig,
params: component.ExporterCreateParams{Logger: zap.NewNop()},
returnErrorOnCreate: true,
},
{
name: "invalid_tls_config_case",
cfg: invalidTLSConfig,
params: component.ExporterCreateParams{Logger: zap.NewNop()},
returnErrorOnStart: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
exp, err := af.CreateMetricsExporter(context.Background(), tt.params, tt.cfg)
if tt.returnErrorOnCreate {
assert.Error(t, err)
return
}
assert.NoError(t, err)
assert.NotNil(t, exp)
err = exp.Start(context.Background(), componenttest.NewNopHost())
if tt.returnErrorOnStart {
assert.Error(t, err)
return
}
assert.NoError(t, err)
assert.NoError(t, exp.Shutdown(context.Background()))
})
}
}