2 * Copyright (c) 2019 AT&T Intellectual Property.
3 * Copyright (c) 2018-2019 Nokia.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <gtest/gtest.h>
19 #include <gmock/gmock.h>
21 #include "tracelibcpp.hpp"
24 using namespace testing;
25 using namespace tracelibcpp;
27 class ConfMakerTest: public ::testing::Test
32 cm(ConfMaker("testservice"))
37 unsetenv(JAEGER_SAMPLER_TYPE_ENV);
38 unsetenv(TRACING_ENABLED_ENV);
39 unsetenv(JAEGER_SAMPLER_PARAM_ENV);
40 unsetenv(JAEGER_AGENT_ADDR_ENV);
41 unsetenv(JAEGER_LOG_LEVEL_ENV);
45 TEST_F(ConfMakerTest, TestEnvReadingNonExisingReturnsDefaultValue)
47 EXPECT_THAT("foobar", StrEq(cm.getEnv("nonexistent", "foobar")));
50 TEST_F(ConfMakerTest, TestEnvReadingReturnsEnvironmentValValue)
52 setenv("FOO", "BAR", 1);
53 auto val = cm.getEnv("FOO", "foobar");
55 EXPECT_THAT("BAR", StrEq(val));
58 TEST_F(ConfMakerTest, TestTracingIsDisabledByDefault)
60 EXPECT_FALSE(cm.isTracingEnabled());
63 TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValTrue)
65 setenv(TRACING_ENABLED_ENV, "true", 1);
66 EXPECT_TRUE(cm.isTracingEnabled());
67 setenv(TRACING_ENABLED_ENV, "TRUE", 1);
68 EXPECT_TRUE(cm.isTracingEnabled());
71 TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValOne)
73 setenv(TRACING_ENABLED_ENV, "1", 1);
74 EXPECT_TRUE(cm.isTracingEnabled());
77 TEST_F(ConfMakerTest, TestTracingEnabledWithUnknownValuesResultsDisabled)
79 setenv(TRACING_ENABLED_ENV, "0", 1);
80 EXPECT_FALSE(cm.isTracingEnabled());
81 setenv(TRACING_ENABLED_ENV, "off", 1);
82 EXPECT_FALSE(cm.isTracingEnabled());
85 TEST_F(ConfMakerTest, TestThatByDefaultConstSamplerIsCreated)
87 auto samplerconf = cm.getSamplerConfig();
88 EXPECT_THAT("const", StrEq(samplerconf.type()));
89 EXPECT_EQ(0.001, samplerconf.param());
92 TEST_F(ConfMakerTest, TestThatSamplerTypeCanBeDefined)
94 setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1);
95 auto samplerconf = cm.getSamplerConfig();
96 EXPECT_THAT("probabilistic", StrEq(samplerconf.type()));
97 EXPECT_EQ(0.001, samplerconf.param());
100 TEST_F(ConfMakerTest, TestThatSamplerParamCanBeDefined)
102 setenv(JAEGER_SAMPLER_PARAM_ENV, "0.01", 1);
103 setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1);
104 auto samplerconf = cm.getSamplerConfig();
105 EXPECT_EQ(0.01, samplerconf.param());
108 TEST_F(ConfMakerTest, TestThatReporterAgentAddrDefaultsToLocalhost)
110 auto reporterConf = cm.getReporterConfig();
111 EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("127.0.0.1:6831"));
114 TEST_F(ConfMakerTest, TestThatReporterAgentAddrCanBeDefined)
116 setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1:1111", 1);
117 auto reporterConf = cm.getReporterConfig();
118 EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:1111"));
121 TEST_F(ConfMakerTest, TestThatIfAgentPortIsNotGivenDefaultIsUsed)
123 setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1", 1);
124 auto reporterConf = cm.getReporterConfig();
125 EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:6831"));
128 TEST_F(ConfMakerTest, TestThatLoggingDefaultIsErr)
130 EXPECT_EQ(LOG_ERR, cm.getLoggingLevel());
133 TEST_F(ConfMakerTest, TestThatLoggingLevelCanBeConfigured)
135 setenv(JAEGER_LOG_LEVEL_ENV, "all", 1);
136 EXPECT_EQ(LOG_ALL, cm.getLoggingLevel());
138 setenv(JAEGER_LOG_LEVEL_ENV, "error", 1);
139 EXPECT_EQ(LOG_ERR, cm.getLoggingLevel());
141 setenv(JAEGER_LOG_LEVEL_ENV, "none", 1);
142 EXPECT_EQ(LOG_NONE, cm.getLoggingLevel());
145 TEST_F(ConfMakerTest, TestThatByDefaultDisabledConfigIsCreated)
147 auto conf = cm.getTraceConfig();
148 EXPECT_TRUE(conf.disabled());
151 TEST_F(ConfMakerTest, TestThatIfTracerCreationFailsNoopTracerIsReturned)
153 setenv(TRACING_ENABLED_ENV, "1", 1);
154 setenv(JAEGER_AGENT_ADDR_ENV, "foobar.invalid", 1); // invalid address causes an exception
155 auto tracer = createTracer("foo");
156 EXPECT_THAT(tracer, NotNull());
159 TEST(CreateTest, TestThatTraceCreateReturnsANewInstance) {
160 auto tracer = createTracer("foo");
161 EXPECT_THAT(tracer, NotNull());