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client_test.go
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client_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.
//go:build go1.18
// +build go1.18
package otlpmetrichttp
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestClientHonorsContextErrors(t *testing.T) {
t.Run("Shutdown", testCtxErr(func(t *testing.T) func(context.Context) error {
c, err := newClient()
require.NoError(t, err)
return c.Shutdown
}))
t.Run("ForceFlush", testCtxErr(func(t *testing.T) func(context.Context) error {
c, err := newClient()
require.NoError(t, err)
return c.ForceFlush
}))
t.Run("UploadMetrics", testCtxErr(func(t *testing.T) func(context.Context) error {
c, err := newClient()
require.NoError(t, err)
return func(ctx context.Context) error {
return c.UploadMetrics(ctx, nil)
}
}))
}
func testCtxErr(factory func(*testing.T) func(context.Context) error) func(t *testing.T) {
return func(t *testing.T) {
t.Helper()
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
t.Run("DeadlineExceeded", func(t *testing.T) {
innerCtx, innerCancel := context.WithTimeout(ctx, time.Nanosecond)
t.Cleanup(innerCancel)
<-innerCtx.Done()
f := factory(t)
assert.ErrorIs(t, f(innerCtx), context.DeadlineExceeded)
})
t.Run("Canceled", func(t *testing.T) {
innerCtx, innerCancel := context.WithCancel(ctx)
innerCancel()
f := factory(t)
assert.ErrorIs(t, f(innerCtx), context.Canceled)
})
}
}