src/gromacs/onlinehelp/tests/helpmanager.cpp

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  35 /*! \internal \file
  36  * \brief
  37  * Tests for help topic management and help topic formatting.
  38  *
  39  * \author Teemu Murtola <teemu.murtola@gmail.com>
  40  * \ingroup module_onlinehelp
  41  */
  42 #include "gmxpre.h"
  43
  44 #include "gromacs/onlinehelp/helpmanager.h"
  45
  46 #include <string>
  47
  48 #include <gmock/gmock.h>
  49 #include <gtest/gtest.h>
  50
  51 #include "gromacs/onlinehelp/helptopic.h"
  52 #include "gromacs/onlinehelp/helpwritercontext.h"
  53 #include "gromacs/utility/exceptions.h"
  54 #include "gromacs/utility/stringstream.h"
  55 #include "gromacs/utility/textwriter.h"
  56
  57 #include "gromacs/onlinehelp/tests/mock_helptopic.h"
  58 #include "testutils/stringtest.h"
  59 #include "testutils/testasserts.h"
  60
  61 namespace
  62 {
  63
  64 using gmx::test::MockHelpTopic;
  65
  66 class HelpTestBase : public gmx::test::StringTestBase
  67 {
  68     public:
  69         HelpTestBase();
  70
  71         MockHelpTopic              rootTopic_;
  72         gmx::StringOutputStream    helpFile_;
  73         gmx::TextWriter            writer_;
  74         gmx::HelpWriterContext     context_;
  75         gmx::HelpManager           manager_;
  76 };
  77
  78 HelpTestBase::HelpTestBase()
  79     : rootTopic_("", nullptr, "Root topic text"),
  80       writer_(&helpFile_),
  81       context_(&writer_, gmx::eHelpOutputFormat_Console),
  82       manager_(rootTopic_, context_)
  83 {
  84 }
  85
  86 /********************************************************************
  87  * Tests for HelpManager
  88  */
  89
  90 //! Test fixture for gmx::HelpManager.
  91 typedef HelpTestBase HelpManagerTest;
  92
  93 TEST_F(HelpManagerTest, HandlesRootTopic)
  94 {
  95     using ::testing::_;
  96     EXPECT_CALL(rootTopic_, writeHelp(_));
  97     manager_.writeCurrentTopic();
  98 }
  99
 100 TEST_F(HelpManagerTest, HandlesSubTopics)
 101 {
 102     MockHelpTopic &first =
 103         rootTopic_.addSubTopic("first", "First topic", nullptr);
 104     MockHelpTopic &firstSub =
 105         first.addSubTopic("firstsub", "First subtopic", nullptr);
 106     rootTopic_.addSubTopic("second", "Second topic", nullptr);
 107
 108     using ::testing::_;
 109     EXPECT_CALL(firstSub, writeHelp(_));
 110     ASSERT_NO_THROW_GMX(manager_.enterTopic("first"));
 111     ASSERT_NO_THROW_GMX(manager_.enterTopic("firstsub"));
 112     manager_.writeCurrentTopic();
 113 }
 114
 115 TEST_F(HelpManagerTest, HandlesInvalidTopics)
 116 {
 117     MockHelpTopic &first =
 118         rootTopic_.addSubTopic("first", "First topic", nullptr);
 119     first.addSubTopic("firstsub", "First subtopic", nullptr);
 120     rootTopic_.addSubTopic("second", "Second topic", nullptr);
 121
 122     ASSERT_THROW_GMX(manager_.enterTopic("unknown"), gmx::InvalidInputError);
 123     ASSERT_NO_THROW_GMX(manager_.enterTopic("first"));
 124     ASSERT_THROW_GMX(manager_.enterTopic("unknown"), gmx::InvalidInputError);
 125     ASSERT_THROW_GMX(manager_.enterTopic("second"), gmx::InvalidInputError);
 126     ASSERT_NO_THROW_GMX(manager_.enterTopic("firstsub"));
 127 }
 128
 129 /********************************************************************
 130  * Tests for help topic formatting
 131  */
 132
 133 struct TestHelpText
 134 {
 135     static const char        name[];
 136     static const char        title[];
 137     static const char *const text[];
 138 };
 139
 140 const char        TestHelpText::name[]  = "testtopic";
 141 const char        TestHelpText::title[] = "Topic title";
 142 const char *const TestHelpText::text[]  = {
 143     "Test topic text.[PAR]",
 144     "Another paragraph of text."
 145 };
 146
 147 class HelpTopicFormattingTest : public HelpTestBase
 148 {
 149     public:
 150         void checkHelpFormatting();
 151 };
 152
 153 void HelpTopicFormattingTest::checkHelpFormatting()
 154 {
 155     ASSERT_NO_THROW_GMX(manager_.enterTopic("testtopic"));
 156     ASSERT_NO_THROW_GMX(manager_.writeCurrentTopic());
 157     helpFile_.close();
 158
 159     checkText(helpFile_.toString(), "HelpText");
 160 }
 161
 162 TEST_F(HelpTopicFormattingTest, FormatsSimpleTopic)
 163 {
 164     rootTopic_.addSubTopic(gmx::HelpTopicPointer(
 165                                    new gmx::SimpleHelpTopic<TestHelpText>));
 166     checkHelpFormatting();
 167 }
 168
 169 TEST_F(HelpTopicFormattingTest, FormatsCompositeTopicWithSubTopics)
 170 {
 171     gmx::CompositeHelpTopicPointer topic(new gmx::CompositeHelpTopic<TestHelpText>);
 172     MockHelpTopic::addSubTopic(topic.get(), "subtopic", "First subtopic", "Text");
 173     MockHelpTopic::addSubTopic(topic.get(), "other", "Second subtopic", "Text");
 174     rootTopic_.addSubTopic(std::move(topic));
 175     checkHelpFormatting();
 176 }
 177
 178 } // namespace