tst/testcreate.cpp

   1 /*
   2  * Copyright (c) 2019 AT&T Intellectual Property.
   3  * Copyright (c) 2018-2019 Nokia.
   4  *
   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
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  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.
  16  *
  17  * This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18  * platform project (RICP).
  19  */
  20
  21 #include <gtest/gtest.h>
  22 #include <gmock/gmock.h>
  23
  24 #include "tracelibcpp.hpp"
  25 #include "config.hpp"
  26
  27 using namespace testing;
  28 using namespace tracelibcpp;
  29
  30 class ConfMakerTest: public ::testing::Test
  31 {
  32 public:
  33     ConfMaker cm;
  34     ConfMakerTest():
  35         cm(ConfMaker("testservice"))
  36     {
  37     }
  38     ~ConfMakerTest()
  39     {
  40         unsetenv(JAEGER_SAMPLER_TYPE_ENV);
  41         unsetenv(TRACING_ENABLED_ENV);
  42         unsetenv(JAEGER_SAMPLER_PARAM_ENV);
  43         unsetenv(JAEGER_AGENT_ADDR_ENV);
  44         unsetenv(JAEGER_LOG_LEVEL_ENV);
  45     }
  46 };
  47
  48 TEST_F(ConfMakerTest, TestEnvReadingNonExisingReturnsDefaultValue)
  49 {
  50     EXPECT_THAT("foobar", StrEq(cm.getEnv("nonexistent", "foobar")));
  51 }
  52
  53 TEST_F(ConfMakerTest, TestEnvReadingReturnsEnvironmentValValue)
  54 {
  55     setenv("FOO", "BAR", 1);
  56     auto val = cm.getEnv("FOO", "foobar");
  57     unsetenv("FOO");
  58     EXPECT_THAT("BAR", StrEq(val));
  59 }
  60
  61 TEST_F(ConfMakerTest, TestTracingIsDisabledByDefault)
  62 {
  63     EXPECT_FALSE(cm.isTracingEnabled());
  64 }
  65
  66 TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValTrue)
  67 {
  68     setenv(TRACING_ENABLED_ENV, "true", 1);
  69     EXPECT_TRUE(cm.isTracingEnabled());
  70     setenv(TRACING_ENABLED_ENV, "TRUE", 1);
  71     EXPECT_TRUE(cm.isTracingEnabled());
  72 }
  73
  74 TEST_F(ConfMakerTest, TestTracingCanBeEnabledWithEnvValOne)
  75 {
  76     setenv(TRACING_ENABLED_ENV, "1", 1);
  77     EXPECT_TRUE(cm.isTracingEnabled());
  78 }
  79
  80 TEST_F(ConfMakerTest, TestTracingEnabledWithUnknownValuesResultsDisabled)
  81 {
  82     setenv(TRACING_ENABLED_ENV, "0", 1);
  83     EXPECT_FALSE(cm.isTracingEnabled());
  84     setenv(TRACING_ENABLED_ENV, "off", 1);
  85     EXPECT_FALSE(cm.isTracingEnabled());
  86 }
  87
  88 TEST_F(ConfMakerTest, TestThatByDefaultConstSamplerIsCreated)
  89 {
  90     auto samplerconf = cm.getSamplerConfig();
  91     EXPECT_THAT("const", StrEq(samplerconf.type()));
  92     EXPECT_EQ(0.001, samplerconf.param());
  93 }
  94
  95 TEST_F(ConfMakerTest, TestThatSamplerTypeCanBeDefined)
  96 {
  97     setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1);
  98     auto samplerconf = cm.getSamplerConfig();
  99     EXPECT_THAT("probabilistic", StrEq(samplerconf.type()));
 100     EXPECT_EQ(0.001, samplerconf.param());
 101 }
 102
 103 TEST_F(ConfMakerTest, TestThatSamplerParamCanBeDefined)
 104 {
 105     setenv(JAEGER_SAMPLER_PARAM_ENV, "0.01", 1);
 106     setenv(JAEGER_SAMPLER_TYPE_ENV, "probabilistic", 1);
 107     auto samplerconf = cm.getSamplerConfig();
 108     EXPECT_EQ(0.01, samplerconf.param());
 109 }
 110
 111 TEST_F(ConfMakerTest, TestThatReporterAgentAddrDefaultsToLocalhost)
 112 {
 113     auto reporterConf = cm.getReporterConfig();
 114     EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("127.0.0.1:6831"));
 115 }
 116
 117 TEST_F(ConfMakerTest, TestThatReporterAgentAddrCanBeDefined)
 118 {
 119     setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1:1111", 1);
 120     auto reporterConf = cm.getReporterConfig();
 121     EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:1111"));
 122 }
 123
 124 TEST_F(ConfMakerTest, TestThatIfAgentPortIsNotGivenDefaultIsUsed)
 125 {
 126     setenv(JAEGER_AGENT_ADDR_ENV, "1.1.1.1", 1);
 127     auto reporterConf = cm.getReporterConfig();
 128     EXPECT_THAT(reporterConf.localAgentHostPort(), StrEq("1.1.1.1:6831"));
 129 }
 130
 131 TEST_F(ConfMakerTest, TestThatLoggingDefaultIsErr)
 132 {
 133     EXPECT_EQ(LOG_ERR, cm.getLoggingLevel());
 134 }
 135
 136 TEST_F(ConfMakerTest, TestThatLoggingLevelCanBeConfigured)
 137 {
 138     setenv(JAEGER_LOG_LEVEL_ENV, "all", 1);
 139     EXPECT_EQ(LOG_ALL, cm.getLoggingLevel());
 140
 141     setenv(JAEGER_LOG_LEVEL_ENV, "error", 1);
 142     EXPECT_EQ(LOG_ERR, cm.getLoggingLevel());
 143
 144     setenv(JAEGER_LOG_LEVEL_ENV, "none", 1);
 145     EXPECT_EQ(LOG_NONE, cm.getLoggingLevel());
 146 }
 147
 148 TEST_F(ConfMakerTest, TestThatByDefaultDisabledConfigIsCreated)
 149 {
 150     auto conf = cm.getTraceConfig();
 151     EXPECT_TRUE(conf.disabled());
 152 }
 153
 154 TEST_F(ConfMakerTest, TestThatIfTracerCreationFailsNoopTracerIsReturned)
 155 {
 156     setenv(TRACING_ENABLED_ENV, "1", 1);
 157     setenv(JAEGER_AGENT_ADDR_ENV, "foobar.invalid", 1); // invalid address causes an exception
 158     auto tracer = createTracer("foo");
 159     EXPECT_THAT(tracer, NotNull());
 160 }
 161
 162 TEST(CreateTest, TestThatTraceCreateReturnsANewInstance) {
 163     auto tracer = createTracer("foo");
 164     EXPECT_THAT(tracer, NotNull());
 165 }
 166