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FTXUI/src/ftxui/component/input_test.cpp
Arthur Sonzogni f4b47333be
Featre: Support ctrl+arrow in input. (#494) 
CTRL+LEFT: Move the cursor to the beginning of the word.
CTRL+RIGHT: Move the cursor to the beginning of the word.

This was requested by:
https://github.com/ArthurSonzogni/FTXUI/issues/490
2022-10-06 21:16:55 +02:00

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#include <gtest/gtest.h>
#include <memory> // for __shared_ptr_access, shared_ptr, allocator
#include <string> // for string
#include "ftxui/component/component.hpp" // for Input
#include "ftxui/component/component_base.hpp" // for ComponentBase, Component
#include "ftxui/component/component_options.hpp" // for InputOption
#include "ftxui/component/event.hpp" // for Event, Event::ArrowLeft, Event::ArrowRight, Event::Backspace, Event::Delete, Event::End, Event::Home
#include "ftxui/component/mouse.hpp" // for Mouse, Mouse::Button, Mouse::Left, Mouse::Motion, Mouse::Pressed
#include "ftxui/dom/elements.hpp" // for Fit
#include "ftxui/dom/node.hpp" // for Render
#include "ftxui/screen/screen.hpp" // for Fixed, Screen, Pixel
#include "ftxui/util/ref.hpp" // for Ref
namespace ftxui {
TEST(InputTest, Init) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
Component input = Input(&content, &placeholder, &option);
EXPECT_EQ(option.cursor_position(), 0);
}
TEST(InputTest, Type) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
Component input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character("a"));
EXPECT_EQ(content, "a");
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::Character('b'));
EXPECT_EQ(content, "ab");
EXPECT_EQ(option.cursor_position(), 2u);
auto document = input->Render();
auto screen = Screen::Create(Dimension::Fit(document));
Render(screen, document);
EXPECT_EQ(screen.PixelAt(0, 0).character, "a");
EXPECT_EQ(screen.PixelAt(1, 0).character, "b");
}
TEST(InputTest, TypePassword) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
option.password = true;
Component input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
EXPECT_EQ(content, "a");
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::Character('b'));
EXPECT_EQ(content, "ab");
EXPECT_EQ(option.cursor_position(), 2u);
auto document = input->Render();
auto screen = Screen::Create(Dimension::Fit(document));
Render(screen, document);
EXPECT_EQ(screen.PixelAt(0, 0).character, "•");
EXPECT_EQ(screen.PixelAt(1, 0).character, "•");
}
TEST(InputTest, Arrow) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
EXPECT_EQ(option.cursor_position(), 3u);
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(option.cursor_position(), 2u);
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(option.cursor_position(), 0u);
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(option.cursor_position(), 0u);
input->OnEvent(Event::ArrowRight);
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::ArrowRight);
EXPECT_EQ(option.cursor_position(), 2u);
input->OnEvent(Event::ArrowRight);
EXPECT_EQ(option.cursor_position(), 3u);
input->OnEvent(Event::ArrowRight);
EXPECT_EQ(option.cursor_position(), 3u);
}
TEST(InputTest, Insert) {
std::string content;
std::string placeholder;
Component input = Input(&content, &placeholder);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
EXPECT_EQ(content, "abc");
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::Character('-'));
EXPECT_EQ(content, "a-bc");
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::Character('-'));
EXPECT_EQ(content, "a--bc");
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::Character('-'));
EXPECT_EQ(content, "-a--bc");
}
TEST(InputTest, Home) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
EXPECT_EQ(content, "abc");
EXPECT_EQ(option.cursor_position(), 3u);
input->OnEvent(Event::Home);
EXPECT_EQ(option.cursor_position(), 0u);
input->OnEvent(Event::Character('-'));
EXPECT_EQ(content, "-abc");
}
TEST(InputTest, End) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
input->OnEvent(Event::ArrowLeft);
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::End);
EXPECT_EQ(option.cursor_position(), 3u);
}
TEST(InputTest, Delete) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(content, "abc");
EXPECT_EQ(option.cursor_position(), 2u);
input->OnEvent(Event::Delete);
EXPECT_EQ(content, "ab");
EXPECT_EQ(option.cursor_position(), 2u);
input->OnEvent(Event::Delete);
EXPECT_EQ(content, "ab");
EXPECT_EQ(option.cursor_position(), 2u);
}
TEST(InputTest, Backspace) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character('a'));
input->OnEvent(Event::Character('b'));
input->OnEvent(Event::Character('c'));
input->OnEvent(Event::ArrowLeft);
EXPECT_EQ(content, "abc");
EXPECT_EQ(option.cursor_position(), 2u);
input->OnEvent(Event::Backspace);
EXPECT_EQ(content, "ac");
EXPECT_EQ(option.cursor_position(), 1u);
input->OnEvent(Event::Backspace);
EXPECT_EQ(content, "c");
EXPECT_EQ(option.cursor_position(), 0u);
input->OnEvent(Event::Backspace);
EXPECT_EQ(content, "c");
EXPECT_EQ(option.cursor_position(), 0u);
}
TEST(InputTest, MouseClick) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character("a"));
input->OnEvent(Event::Character("b"));
input->OnEvent(Event::Character("c"));
input->OnEvent(Event::Character("d"));
EXPECT_EQ(option.cursor_position(), 4u);
auto render = [&] {
auto document = input->Render();
auto screen = Screen::Create(Dimension::Fixed(10), Dimension::Fixed(1));
Render(screen, document);
};
render();
Mouse mouse;
mouse.button = Mouse::Button::Left;
mouse.motion = Mouse::Motion::Pressed;
mouse.y = 0;
mouse.shift = false;
mouse.meta = false;
mouse.control = false;
mouse.x = 0;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 2;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 2u);
mouse.x = 2;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 2u);
mouse.x = 1;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 1u);
mouse.x = 3;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 3u);
mouse.x = 4;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 4u);
mouse.x = 5;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 4u);
}
TEST(InputTest, MouseClickComplex) {
std::string content;
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
input->OnEvent(Event::Character("测"));
input->OnEvent(Event::Character("试"));
input->OnEvent(Event::Character("a⃒"));
input->OnEvent(Event::Character("ā"));
EXPECT_EQ(option.cursor_position(), 4u);
auto render = [&] {
auto document = input->Render();
auto screen = Screen::Create(Dimension::Fixed(10), Dimension::Fixed(1));
Render(screen, document);
};
render();
Mouse mouse;
mouse.button = Mouse::Button::Left;
mouse.motion = Mouse::Motion::Pressed;
mouse.y = 0;
mouse.shift = false;
mouse.meta = false;
mouse.control = false;
mouse.x = 0;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 0;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 1;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 1;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 2;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 1u);
mouse.x = 2;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 1u);
mouse.x = 1;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 0u);
mouse.x = 4;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 2u);
mouse.x = 5;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 3u);
mouse.x = 6;
input->OnEvent(Event::Mouse("", mouse));
render();
EXPECT_EQ(option.cursor_position(), 4u);
}
TEST(InputTest, CtrlArrowLeft) {
std::string content = "word word 测ord wo测d word";
// 0 5 10 15 20
std::string placeholder;
auto option = InputOption();
option.cursor_position = 22;
auto input = Input(&content, &placeholder, &option);
// Use CTRL+Left several time
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 20u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 15u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 10u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 5u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 0u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 0u);
}
TEST(InputTest, CtrlArrowLeft2) {
std::string content = " word word 测ord wo测d word ";
// 0 3 6 9 12 15 18 21 24 27 30 33
std::string placeholder;
auto option = InputOption();
option.cursor_position = 33;
auto input = Input(&content, &placeholder, &option);
// Use CTRL+Left several time
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 27u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 21u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 15u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 9u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 3u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 0u);
EXPECT_TRUE(input->OnEvent(Event::ArrowLeftCtrl));
EXPECT_EQ(option.cursor_position(), 0u);
}
TEST(InputTest, CtrlArrowRight) {
std::string content = "word word 测ord wo测d word";
// 0 5 10 15 20
std::string placeholder;
auto option = InputOption();
option.cursor_position = 2;
auto input = Input(&content, &placeholder, &option);
// Use CTRL+Left several time
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 4);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 9);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 14u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 19u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 24u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 24u);
}
TEST(InputTest, CtrlArrowRight2) {
std::string content = " word word 测ord wo测d word ";
// 0 3 6 9 12 15 18 21 24 27 30 33
std::string placeholder;
auto option = InputOption();
option.cursor_position = 0;
auto input = Input(&content, &placeholder, &option);
// Use CTRL+Left several time
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 7u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 13u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 19u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 25u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 31u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 34u);
EXPECT_TRUE(input->OnEvent(Event::ArrowRightCtrl));
EXPECT_EQ(option.cursor_position(), 34u);
}
} // namespace ftxui
// Copyright 2021 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
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