/* * 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 #include #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()); }