Неделин Дмитрий - Лабораторная Работа #2

lab-guide/topics.md

@@ -100,7 +100,7 @@
 |---|---|---|
 | [Игра "Жизнь" Конвея](https://github.com/garora/TDD-Katas/blob/master/KatasReadme.md#game-of-life-) |Кудинов Никита 3821Б1ПР1|Киселёв Игорь 3821Б1ПР1|
 | [Правило 30](https://en.wikipedia.org/wiki/Rule_30) |||
-| [Вычисление скидок на книги](https://github.com/garora/TDD-Katas/blob/master/KatasReadme.md#harry-potter-) |||
+| [Вычисление скидок на книги](https://github.com/garora/TDD-Katas/blob/master/KatasReadme.md#harry-potter-) |Неделин Дмитрий 3821Б1ПР3|Неделин Дмитрий 3821Б1ПР3|
 | [Перевод чисел в их словесное написание на английском](http://codingdojo.org/kata/NumbersInWords/) |||
 | [Работа с числовыми промежутками](http://codingdojo.org/kata/Range/) |||
 | [Реализовать печать цифр в псевдографике](https://github.com/garora/TDD-Katas/blob/master/KatasReadme.md#lcd-digits-) |||

modules/nedelin_d_book_discount_lab2/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Declare variables for binaries' names
+get_filename_component(DIR_NAME ${CMAKE_CURRENT_LIST_DIR} NAME)
+set(MODULE "${DIR_NAME}")
+set(LIBRARY "lib_${MODULE}")
+set(TESTS "test_${MODULE}")
+
+# Include directory with public headers
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+
+# Add all submodules
+add_subdirectory(src)
+add_subdirectory(test)

modules/nedelin_d_book_discount_lab2/include/HarryPotterBooks.h

@@ -0,0 +1,18 @@
+// Copyright 2024 Nedelin Dmitry
+
+#ifndef MODULES_NEDELIN_D_BOOK_DISCOUNT_LAB2_INCLUDE_HARRYPOTTERBOOKS_H_
+#define MODULES_NEDELIN_D_BOOK_DISCOUNT_LAB2_INCLUDE_HARRYPOTTERBOOKS_H_
+
+#include <vector>
+#include <algorithm>
+#include <numeric>
+
+class HarryPotterBooks {
+ public:
+ double calculateTotalPrice(std::vector<int> books);
+
+ const double bookPrice = 8.0;
+ const std::vector<double> discounts = { 0.0, 0.0, 0.05, 0.1, 0.2, 0.25 };
+};
+
+#endif // MODULES_NEDELIN_D_BOOK_DISCOUNT_LAB2_INCLUDE_HARRYPOTTERBOOKS_H_

modules/nedelin_d_book_discount_lab2/src/CMakeLists.txt

@@ -0,0 +1,18 @@
+set(target ${LIBRARY})
+
+file(GLOB srcs "*.cpp")
+file(GLOB hdrs "../include/*.h")
+set_source_files_properties(${srcs} ${hdrs} PROPERTIES
+ LABELS "${MODULE};Library")
+
+add_library(${target} STATIC ${srcs} ${hdrs})
+set_target_properties(${target} PROPERTIES
+ OUTPUT_NAME ${MODULE}
+ LABELS "${MODULE};Library")
+
+if (UNIX)
+ target_link_libraries(${target} ${CMAKE_THREAD_LIBS_INIT})
+endif (UNIX)
+target_link_libraries(${target} ${LIBRARY_DEPS})
+
+set(LIBRARY_DEPS "${LIBRARY_DEPS};${target}" PARENT_SCOPE)

modules/nedelin_d_book_discount_lab2/src/HarryPotterBooks.cpp

@@ -0,0 +1,26 @@
+// Copyright 2024 Nedelin Dmitry
+
+#include "include/HarryPotterBooks.h"
+
+double HarryPotterBooks::calculateTotalPrice(std::vector<int> books) {
+ double total = 0.0;
+
+ while (true) {
+ int uniqueBooks = std::count_if(books.begin(),
+ books.end(), [](int x) { return x > 0; });
+
+ if (uniqueBooks == 0) {
+ break;
+ }
+
+ total += uniqueBooks * bookPrice * (1 - discounts[uniqueBooks]);
+
+ for (size_t i = 0; i < books.size(); ++i) {
+ if (books[i] > 0) {
+ books[i]--;
+ }
+ }
+ }
+
+ return total;
+}

modules/nedelin_d_book_discount_lab2/test/CMakeLists.txt

@@ -0,0 +1,27 @@
+set(target ${TESTS})
+
+file(GLOB srcs "*.cpp")
+set_source_files_properties(${srcs} PROPERTIES
+ LABELS "${MODULE};Test")
+
+add_executable(${target} ${srcs} ${hdrs})
+set_target_properties(${target} PROPERTIES
+ LABELS "${MODULE};Test")
+
+if (UNIX)
+ target_link_libraries(${target} gtest ${CMAKE_THREAD_LIBS_INIT} pthread)
+endif (UNIX)
+target_link_libraries(${target} gtest ${LIBRARY})
+
+# VS2012 doesn't support correctly the tuples yet,
+# see http://code.google.com/p/googletest/issues/detail?id=412
+if(MSVC)
+ target_compile_definitions(${target} PUBLIC _VARIADIC_MAX=10)
+endif()
+
+add_test(
+ NAME ${MODULE}_gtest
+ COMMAND ${target}
+)
+set_tests_properties (${MODULE}_gtest PROPERTIES
+ LABELS "${MODULE}")

modules/nedelin_d_book_discount_lab2/test/test_HarryPotterBooks.cpp

@@ -0,0 +1,52 @@
+// Copyright 2024 Nedelin Dmitry
+
+#include <gtest/gtest.h>
+#include "include/HarryPotterBooks.h"
+
+TEST(Nedelin_HarryPotterBooksTest, SingleBook) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 1, 0, 0, 0, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 8.0);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, TwoDifferentBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 1, 1, 0, 0, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 2 * 8.0 * 0.95);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, ThreeDifferentBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 1, 1, 1, 0, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 8.0 * 3 * 0.9);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, FourDifferentBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 1, 1, 1, 1, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 8.0 * 4 * 0.8);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, FullSetOfFiveBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 1, 1, 1, 1, 1 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 8.0 * 5 * 0.75);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, ComplexBasket) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 2, 2, 2, 1, 1 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 51.6);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, NoBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 0, 0, 0, 0, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 0.0);
+}
+
+TEST(Nedelin_HarryPotterBooksTest, MultipleSameBooks) {
+ HarryPotterBooks hpBooks;
+ std::vector<int> books = { 3, 0, 0, 0, 0 };
+ EXPECT_DOUBLE_EQ(hpBooks.calculateTotalPrice(books), 8.0 * 3);
+}

modules/nedelin_d_book_discount_lab2/test/test_main.cpp

@@ -0,0 +1,7 @@
+// Copyright 2024 Nedelin Dmitry
+#include <gtest/gtest.h>
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}