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publisher_test.go
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publisher_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
//go:build windows
// +build windows
package windows
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPublisherOpenPreexisting(t *testing.T) {
publisher := Publisher{handle: 5}
err := publisher.Open("")
require.Error(t, err)
require.Contains(t, err.Error(), "publisher handle is already open")
require.True(t, publisher.Valid())
}
func TestPublisherOpenInvalidUTF8(t *testing.T) {
publisher := NewPublisher()
invalidUTF8 := "\u0000"
err := publisher.Open(invalidUTF8)
require.Error(t, err)
require.Contains(t, err.Error(), "failed to convert the provider name \"\\x00\" to utf16: invalid argument")
require.False(t, publisher.Valid())
}
func TestPublisherOpenSyscallFailure(t *testing.T) {
publisher := NewPublisher()
provider := "provider"
defer mockWithDeferredRestore(&openPublisherMetadataProc, SimpleMockProc(0, 0, ErrorNotSupported))()
err := publisher.Open(provider)
require.Error(t, err)
require.Contains(t, err.Error(), "failed to open the metadata for the \"provider\" provider: The request is not supported.")
require.False(t, publisher.Valid())
}
func TestPublisherOpenSuccess(t *testing.T) {
publisher := NewPublisher()
provider := "provider"
defer mockWithDeferredRestore(&openPublisherMetadataProc, SimpleMockProc(5, 0, ErrorSuccess))()
err := publisher.Open(provider)
require.NoError(t, err)
require.Equal(t, uintptr(5), publisher.handle)
require.True(t, publisher.Valid())
}
func TestPublisherCloseWhenAlreadyClosed(t *testing.T) {
publisher := NewPublisher()
err := publisher.Close()
require.NoError(t, err)
require.False(t, publisher.Valid())
}
func TestPublisherCloseSyscallFailure(t *testing.T) {
publisher := Publisher{handle: 5}
defer mockWithDeferredRestore(&closeProc, SimpleMockProc(0, 0, ErrorNotSupported))()
err := publisher.Close()
require.Error(t, err)
require.Contains(t, err.Error(), "failed to close publisher")
require.True(t, publisher.Valid())
}
func TestPublisherCloseSuccess(t *testing.T) {
publisher := Publisher{handle: 5}
originalCloseProc := closeProc
closeProc = SimpleMockProc(1, 0, ErrorSuccess)
defer func() { closeProc = originalCloseProc }()
err := publisher.Close()
require.NoError(t, err)
require.Equal(t, uintptr(0), publisher.handle)
require.False(t, publisher.Valid())
}
func mockWithDeferredRestore(call *SyscallProc, mockCall SyscallProc) func() {
original := *call
*call = mockCall
return func() {
*call = original
}
}