| /* |
| * Copyright (c) 2019 AT&T Intellectual Property. |
| * Copyright (c) 2018-2019 Nokia. |
| * |
| * 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. |
| */ |
| |
| #include <gtest/gtest.h> |
| #include <gmock/gmock.h> |
| |
| #include "tracelibcpp.hpp" |
| #include "config.hpp" |
| |
| using namespace testing; |
| using namespace tracelibcpp; |
| |
| class ConfMakerTest: public ::testing::Test |
| { |
| public: |
| ConfMaker cm; |
| ConfMakerTest(): |
| cm(ConfMaker("testservice")) |
| { |
| } |
| ~ConfMakerTest() |
| { |
| unsetenv(JAEGER_SAMPLER_TYPE_ENV); |
| unsetenv(TRACING_ENABLED_ENV); |
| unsetenv(JAEGER_SAMPLER_PARAM_ENV); |
| unsetenv(JAEGER_AGENT_ADDR_ENV); |
| unsetenv(JAEGER_LOG_LEVEL_ENV); |
| } |
| }; |
| |
| TEST_F(ConfMakerTest, TestEnvReadingNonExisingReturnsDefaultValue) |
| { |
| EXPECT_THAT("foobar", StrEq(cm.getEnv("nonexistent", "foobar"))); |
| } |
| |
| TEST_F(ConfMakerTest, TestEnvReadingReturnsEnvironmentValValue) |
| { |
| setenv("FOO", "BAR", 1); |
| auto val = cm.getEnv("FOO", "foobar"); |
| unsetenv("FOO"); |
| EXPECT_THAT("BAR", StrEq(val)); |
| } |
| |
| TEST_F(ConfMakerTest, TestTracingIsDisabledByDefault) |
| { |
| EXPECT_FALSE(cm.isTracingEnabled()); |
| } |
| |
| TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValTrue) |
| { |
| setenv(TRACING_ENABLED_ENV, "true", 1); |
| EXPECT_TRUE(cm.isTracingEnabled()); |
| setenv(TRACING_ENABLED_ENV, "TRUE", 1); |
| EXPECT_TRUE(cm.isTracingEnabled()); |
| } |
| |
| TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValOne) |
| { |
| setenv(TRACING_ENABLED_ENV, "1", 1); |
| EXPECT_TRUE(cm.isTracingEnabled()); |
| } |
| |
| TEST_F(ConfMakerTest, TestTracingEnabledWithUnknownValuesResultsDisabled) |
| { |
| setenv(TRACING_ENABLED_ENV, "0", 1); |
| EXPECT_FALSE(cm.isTracingEnabled()); |
| setenv(TRACING_ENABLED_ENV, "off", 1); |
| EXPECT_FALSE(cm.isTracingEnabled()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatByDefaultConstSamplerIsCreated) |
| { |
| auto samplerconf = cm.getSamplerConfig(); |
| EXPECT_THAT("const", StrEq(samplerconf.type())); |
| EXPECT_EQ(0.001, samplerconf.param()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatSamplerTypeCanBeDefined) |
| { |
| setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1); |
| auto samplerconf = cm.getSamplerConfig(); |
| EXPECT_THAT("probabilistic", StrEq(samplerconf.type())); |
| EXPECT_EQ(0.001, samplerconf.param()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatSamplerParamCanBeDefined) |
| { |
| setenv(JAEGER_SAMPLER_PARAM_ENV, "0.01", 1); |
| setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1); |
| auto samplerconf = cm.getSamplerConfig(); |
| EXPECT_EQ(0.01, samplerconf.param()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatReporterAgentAddrDefaultsToLocalhost) |
| { |
| auto reporterConf = cm.getReporterConfig(); |
| EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("127.0.0.1:6831")); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatReporterAgentAddrCanBeDefined) |
| { |
| setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1:1111", 1); |
| auto reporterConf = cm.getReporterConfig(); |
| EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:1111")); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatIfAgentPortIsNotGivenDefaultIsUsed) |
| { |
| setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1", 1); |
| auto reporterConf = cm.getReporterConfig(); |
| EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:6831")); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatLoggingDefaultIsErr) |
| { |
| EXPECT_EQ(LOG_ERR, cm.getLoggingLevel()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatLoggingLevelCanBeConfigured) |
| { |
| setenv(JAEGER_LOG_LEVEL_ENV, "all", 1); |
| EXPECT_EQ(LOG_ALL, cm.getLoggingLevel()); |
| |
| setenv(JAEGER_LOG_LEVEL_ENV, "error", 1); |
| EXPECT_EQ(LOG_ERR, cm.getLoggingLevel()); |
| |
| setenv(JAEGER_LOG_LEVEL_ENV, "none", 1); |
| EXPECT_EQ(LOG_NONE, cm.getLoggingLevel()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatByDefaultDisabledConfigIsCreated) |
| { |
| auto conf = cm.getTraceConfig(); |
| EXPECT_TRUE(conf.disabled()); |
| } |
| |
| TEST_F(ConfMakerTest, TestThatIfTracerCreationFailsNoopTracerIsReturned) |
| { |
| setenv(TRACING_ENABLED_ENV, "1", 1); |
| setenv(JAEGER_AGENT_ADDR_ENV, "foobar.invalid", 1); // invalid address causes an exception |
| auto tracer = createTracer("foo"); |
| EXPECT_THAT(tracer, NotNull()); |
| } |
| |
| TEST(CreateTest, TestThatTraceCreateReturnsANewInstance) { |
| auto tracer = createTracer("foo"); |
| EXPECT_THAT(tracer, NotNull()); |
| } |
| |