ceph/src/jaegertracing/opentelemetry-cpp/api/test/logs/provider_test.cc

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #ifdef ENABLE_LOGS_PREVIEW
   5
   6 #  include <gtest/gtest.h>
   7 #  include <array>
   8
   9 #  include "opentelemetry/logs/provider.h"
  10 #  include "opentelemetry/nostd/shared_ptr.h"
  11
  12 using opentelemetry::logs::Logger;
  13 using opentelemetry::logs::LoggerProvider;
  14 using opentelemetry::logs::Provider;
  15 using opentelemetry::nostd::shared_ptr;
  16 namespace nostd = opentelemetry::nostd;
  17
  18 class TestProvider : public LoggerProvider
  19 {
  20   nostd::shared_ptr<Logger> GetLogger(nostd::string_view logger_name,
  21                                       nostd::string_view options,
  22                                       nostd::string_view library_name,
  23                                       nostd::string_view library_version = "",
  24                                       nostd::string_view schema_url      = "") override
  25   {
  26     return shared_ptr<Logger>(nullptr);
  27   }
  28
  29   nostd::shared_ptr<Logger> GetLogger(nostd::string_view logger_name,
  30                                       nostd::span<nostd::string_view> args,
  31                                       nostd::string_view library_name,
  32                                       nostd::string_view library_version = "",
  33                                       nostd::string_view schema_url      = "") override
  34   {
  35     return shared_ptr<Logger>(nullptr);
  36   }
  37 };
  38
  39 TEST(Provider, GetLoggerProviderDefault)
  40 {
  41   auto tf = Provider::GetLoggerProvider();
  42   EXPECT_NE(nullptr, tf);
  43 }
  44
  45 TEST(Provider, SetLoggerProvider)
  46 {
  47   auto tf = shared_ptr<LoggerProvider>(new TestProvider());
  48   Provider::SetLoggerProvider(tf);
  49   ASSERT_EQ(tf, Provider::GetLoggerProvider());
  50 }
  51
  52 TEST(Provider, MultipleLoggerProviders)
  53 {
  54   auto tf = shared_ptr<LoggerProvider>(new TestProvider());
  55   Provider::SetLoggerProvider(tf);
  56   auto tf2 = shared_ptr<LoggerProvider>(new TestProvider());
  57   Provider::SetLoggerProvider(tf2);
  58
  59   ASSERT_NE(Provider::GetLoggerProvider(), tf);
  60 }
  61
  62 TEST(Provider, GetLogger)
  63 {
  64   auto tf = shared_ptr<LoggerProvider>(new TestProvider());
  65   // tests GetLogger(name, version, schema)
  66   const std::string schema_url{"https://opentelemetry.io/schemas/1.2.0"};
  67   auto logger = tf->GetLogger("logger1", "", "opentelelemtry_library", "", schema_url);
  68   EXPECT_EQ(nullptr, logger);
  69
  70   // tests GetLogger(name, arguments)
  71
  72   std::array<nostd::string_view, 1> sv{"string"};
  73   nostd::span<nostd::string_view> args{sv};
  74   auto logger2 = tf->GetLogger("logger2", args, "opentelelemtry_library", "", schema_url);
  75   EXPECT_EQ(nullptr, logger2);
  76 }
  77 #endif