| Brian Silverman | 41cdd3e | 2019-01-19 19:48:58 -0800 | [diff] [blame] | 1 | /*----------------------------------------------------------------------------*/ |
| 2 | /* Copyright (c) 2014-2018 FIRST. All Rights Reserved. */ |
| 3 | /* Open Source Software - may be modified and shared by FRC teams. The code */ |
| 4 | /* must be accompanied by the FIRST BSD license file in the root directory of */ |
| 5 | /* the project. */ |
| 6 | /*----------------------------------------------------------------------------*/ |
| 7 | |
| 8 | #include "frc/Preferences.h" // NOLINT(build/include_order) |
| 9 | |
| 10 | #include <cstdio> |
| 11 | #include <fstream> |
| 12 | |
| 13 | #include <networktables/NetworkTableInstance.h> |
| 14 | #include <ntcore.h> |
| 15 | |
| 16 | #include "frc/Timer.h" |
| 17 | #include "gtest/gtest.h" |
| 18 | |
| 19 | using namespace frc; |
| 20 | |
| 21 | static const char* kFileName = "networktables.ini"; |
| 22 | static const double kSaveTime = 1.2; |
| 23 | |
| 24 | /** |
| 25 | * If we write a new networktables.ini with some sample values, test that |
| 26 | * we get those same values back using the Preference class. |
| 27 | */ |
| 28 | TEST(PreferencesTest, ReadPreferencesFromFile) { |
| 29 | auto inst = nt::NetworkTableInstance::GetDefault(); |
| 30 | inst.StopServer(); |
| 31 | std::remove(kFileName); |
| 32 | std::ofstream preferencesFile(kFileName); |
| 33 | preferencesFile << "[NetworkTables Storage 3.0]" << std::endl; |
| 34 | preferencesFile |
| 35 | << "string \"/Preferences/testFileGetString\"=\"Hello, preferences file\"" |
| 36 | << std::endl; |
| 37 | preferencesFile << "double \"/Preferences/testFileGetInt\"=1" << std::endl; |
| 38 | preferencesFile << "double \"/Preferences/testFileGetDouble\"=0.5" |
| 39 | << std::endl; |
| 40 | preferencesFile << "double \"/Preferences/testFileGetFloat\"=0.25" |
| 41 | << std::endl; |
| 42 | preferencesFile << "boolean \"/Preferences/testFileGetBoolean\"=true" |
| 43 | << std::endl; |
| 44 | preferencesFile |
| 45 | << "double \"/Preferences/testFileGetLong\"=1000000000000000000" |
| 46 | << std::endl; |
| 47 | preferencesFile.close(); |
| 48 | inst.StartServer(); |
| 49 | |
| 50 | Preferences* preferences = Preferences::GetInstance(); |
| 51 | EXPECT_EQ("Hello, preferences file", |
| 52 | preferences->GetString("testFileGetString")); |
| 53 | EXPECT_EQ(1, preferences->GetInt("testFileGetInt")); |
| 54 | EXPECT_FLOAT_EQ(0.5, preferences->GetDouble("testFileGetDouble")); |
| 55 | EXPECT_FLOAT_EQ(0.25f, preferences->GetFloat("testFileGetFloat")); |
| 56 | EXPECT_TRUE(preferences->GetBoolean("testFileGetBoolean")); |
| 57 | EXPECT_EQ(1000000000000000000ll, preferences->GetLong("testFileGetLong")); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * If we set some values using the Preferences class, test that they show up |
| 62 | * in networktables.ini |
| 63 | */ |
| 64 | TEST(PreferencesTest, WritePreferencesToFile) { |
| 65 | auto inst = nt::NetworkTableInstance::GetDefault(); |
| 66 | inst.StartServer(); |
| 67 | Preferences* preferences = Preferences::GetInstance(); |
| 68 | preferences->Remove("testFileGetString"); |
| 69 | preferences->Remove("testFileGetInt"); |
| 70 | preferences->Remove("testFileGetDouble"); |
| 71 | preferences->Remove("testFileGetFloat"); |
| 72 | preferences->Remove("testFileGetBoolean"); |
| 73 | preferences->Remove("testFileGetLong"); |
| 74 | |
| 75 | Wait(kSaveTime); |
| 76 | |
| 77 | preferences->PutString("testFilePutString", "Hello, preferences file"); |
| 78 | preferences->PutInt("testFilePutInt", 1); |
| 79 | preferences->PutDouble("testFilePutDouble", 0.5); |
| 80 | preferences->PutFloat("testFilePutFloat", 0.25f); |
| 81 | preferences->PutBoolean("testFilePutBoolean", true); |
| 82 | preferences->PutLong("testFilePutLong", 1000000000000000000ll); |
| 83 | |
| 84 | Wait(kSaveTime); |
| 85 | |
| 86 | static char const* kExpectedFileContents[] = { |
| 87 | "[NetworkTables Storage 3.0]", |
| 88 | "string \"/Preferences/.type\"=\"RobotPreferences\"", |
| 89 | "boolean \"/Preferences/testFilePutBoolean\"=true", |
| 90 | "double \"/Preferences/testFilePutDouble\"=0.5", |
| 91 | "double \"/Preferences/testFilePutFloat\"=0.25", |
| 92 | "double \"/Preferences/testFilePutInt\"=1", |
| 93 | "double \"/Preferences/testFilePutLong\"=1e+18", |
| 94 | "string \"/Preferences/testFilePutString\"=\"Hello, preferences file\""}; |
| 95 | |
| 96 | std::ifstream preferencesFile(kFileName); |
| 97 | for (auto& kExpectedFileContent : kExpectedFileContents) { |
| 98 | ASSERT_FALSE(preferencesFile.eof()) |
| 99 | << "Preferences file prematurely reached EOF"; |
| 100 | |
| 101 | std::string line; |
| 102 | std::getline(preferencesFile, line); |
| 103 | |
| 104 | ASSERT_EQ(kExpectedFileContent, line) |
| 105 | << "A line in networktables.ini was not correct"; |
| 106 | } |
| 107 | } |