(chore) Add integration testing.

qml/main.qml

@@ -23,6 +23,7 @@ ApplicationWindow {
 
     StackView {
         id: stackView
+        objectName: "stackView"
         anchors.fill: parent
         // initialItem: LoginPage{
         // }
@@ -34,6 +35,7 @@ ApplicationWindow {
     Component {
         id: login
         LoginPage{
+            objectName: "loginPage"
         }
     }
 

tests/includes/documenthandler.h

@@ -0,0 +1,33 @@
+#ifndef DOCUMENTHANDLER_H
+#define DOCUMENTHANDLER_H
+
+#include <QQuickTextDocument>
+
+class DocumentHandler : public QObject {
+    Q_OBJECT
+    Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
+
+   public:
+    explicit DocumentHandler(QObject* parent = 0);
+
+    ~DocumentHandler() {}
+
+    Q_INVOKABLE bool isDarkMode();
+    Q_INVOKABLE void openFile(const QString& path);
+    Q_INVOKABLE void setDocument(QQuickTextDocument* document, const QString& theme);
+    Q_INVOKABLE bool saveToFile(const QString& filename, const QString& content);
+    Q_INVOKABLE QString loadFromFile(const QString& filename);
+
+    QString text() const;
+
+   public slots:
+    void setText(QString text);
+
+   signals:
+    void textChanged(QString text);
+
+   private:
+    QString m_text;
+};
+
+#endif  // DOCUMENTHANDLER_H

tests/includes/highlighter.h

@@ -0,0 +1,33 @@
+#ifndef HIGHLIGHTER_H
+#define HIGHLIGHTER_H
+
+#include <QSyntaxHighlighter>
+#include <QTextCharFormat>
+
+class Highlighter : public QSyntaxHighlighter {
+    Q_OBJECT
+
+   public:
+    explicit Highlighter(QTextDocument *parent = 0, const QString &theme = "light");
+
+   protected:
+    void highlightBlock(const QString &text);
+
+   private:
+    struct HighlightingRule {
+        QRegExp pattern;
+        QTextCharFormat format;
+    };
+    QVector<HighlightingRule> highlightingRules;
+
+    QRegExp commentStartExpression;
+    QRegExp commentEndExpression;
+
+    QTextCharFormat keywordFormat;
+    QTextCharFormat classFormat;
+    QTextCharFormat singleLineCommentFormat;
+    QTextCharFormat multiLineCommentFormat;
+    QTextCharFormat quotationFormat;
+    QTextCharFormat functionFormat;
+};
+#endif  // HIGHLIGHTER_H

tests/includes/qmltests.h

@@ -0,0 +1,17 @@
+#include <QCoreApplication>
+#include <QQmlApplicationEngine>
+#include <QtTest>
+
+class QmlTests : public QObject {
+    Q_OBJECT
+
+   private slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+    void testInit();
+    void testWelcomePage();
+
+   private:
+    QQmlApplicationEngine engine;
+};

tests/resources.qrc

@@ -0,0 +1,85 @@
+<RCC>
+    <qresource prefix="/">
+        <file alias="main.qml">../qml/main.qml</file>
+        <file alias="CustomButton.qml">../qml/CustomButton.qml</file>
+        <file alias="StatsPage.qml">../qml/StatsPage.qml</file>
+        <file alias="ReviewPage.qml">../qml/ReviewPage.qml</file>
+        <file alias="Theme.qml">../qml/Theme.qml</file>
+        <file alias="SectionPage.qml">../qml/SectionPage.qml</file>
+        <file alias="WelcomePage.qml">../qml/WelcomePage.qml</file>
+        <file alias="PracticePage.qml">../qml/PracticePage.qml</file>
+        <file alias="AboutPage.qml">../qml/AboutPage.qml</file>
+        <file alias="CategoryPage.qml">../qml/CategoryPage.qml</file>
+        <file alias="Session.qml">../qml/Session.qml</file>
+        <file alias="LoginPage.qml">../qml/LoginPage.qml</file>
+        <file alias="SettingsPage.qml">../qml/SettingsPage.qml</file>
+        <file alias="handler.js">../logic/handler.js</file>
+
+        <file alias="bfs-recursive.js">../logic/graph/bfs-recursive.js</file>
+        <file alias="dfs-recursive.js">../logic/graph/dfs-recursive.js</file>
+        <file alias="bfs-iterative.js">../logic/graph/bfs-iterative.js</file>
+        <file alias="dfs-iterative.js">../logic/graph/dfs-iterative.js</file>
+        <file alias="dijkstra.js">../logic/graph/dijkstra.js</file>
+
+        <file alias="backtracking.js">../logic/backtracking/nqueens.js</file>
+
+        <file alias="dsu.js">../logic/disjoint-set/dsu.js</file>
+
+        <file alias="kadane.js">../logic/dp/kadane.js</file>
+
+        <file alias="topological-sorting.js">../logic/topological-sorting/topological-sorting.js</file>
+
+        <file alias="merge-interval.js">../logic/intervals/merge-interval.js</file>
+        <file alias="insert-interval.js">../logic/intervals/insert-interval.js</file>
+        <file alias="min-meeting-room.js">../logic/intervals/min-meeting-room.js</file>
+
+        <file alias="binary-search.js">../logic/binary-search/binary-search.js</file>
+
+        <file alias="linear-search.js">../logic/searching/linear-search.js</file>
+        <file alias="jump-search.js">../logic/searching/jump-search.js</file>
+        <file alias="interpolation-search.js">../logic/searching/interpolation-search.js</file>
+
+        <file alias="trie.js">../logic/trie/trie.js</file>
+
+        <file alias="kmp.js">../logic/string/kmp.js</file>
+        <file alias="lcp.js">../logic/string/lcp.js</file>
+        <file alias="rabin-karp.js">../logic/string/rabin-karp.js</file>
+
+        <file alias="factorial.js">../logic/recursion/factorial.js</file>
+
+        <file alias="fractional-knapsack.js">../logic/greedy/fractional-knapsack.js</file>
+
+        <file alias="check-power-of-two.js">../logic/bit-manipulation/check-power-of-two.js</file>
+        <file alias="count-set-bit.js">../logic/bit-manipulation/count-set-bit.js</file>
+        <file alias="reverse-bits.js">../logic/bit-manipulation/reverse-bits.js</file>
+
+        <file alias="max-sub-array.js">../logic/sliding-window/max-sub-array.js</file>
+
+        <file alias="heap-sort.js">../logic/heap/heap-sort.js</file>
+        <file alias="insert-heap.js">../logic/heap/insert-heap.js</file>
+
+        <file alias="insert-at-end.js">../logic/linked-list/insert-at-end.js</file>
+        <file alias="remove-element.js">../logic/linked-list/remove-element.js</file>
+        <file alias="ancestor.js">../logic/linked-list/ancestor.js</file>
+
+        <file alias="sieve.js">../logic/mathematics/sieve.js</file>
+        <file alias="gcd.js">../logic/mathematics/gcd.js</file>
+        <file alias="fast-exponentiation.js">../logic/mathematics/fast-exponentiation.js</file>
+
+        <file alias="convex-hull.js">../logic/geometry/convex-hull.js</file>
+        <file alias="line-intersection.js">../logic/geometry/line-intersection.js</file>
+        <file alias="area-triangle-heron.js">../logic/geometry/area-triangle-heron.js</file>
+
+        <file alias="lazy-propagation.js">../logic/segment-tree/lazy-propagation.js</file>
+        <file alias="range-sum-queries.js">../logic/segment-tree/range-sum-queries.js</file>
+
+        <file alias="sessionData.json">sessionData.json</file>
+
+        <file alias="Hedgehog-Telegram.jpeg">../images/Hedgehog-Telegram.jpeg</file>
+        <file alias="buy-me-a-coffee.png">../images/buy-me-a-coffee.png</file>
+        <file alias="appearance-dark.svg">../images/appearance-dark.svg</file>
+        <file alias="font-dark.svg">../images/font-dark.svg</file>
+        <file alias="appearance-light.svg">../images/appearance-light.svg</file>
+        <file alias="font-light.svg">../images/font-light.svg</file>
+    </qresource>
+</RCC>

tests/run.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+function replaceDestinationBinary() {
+    file='Makefile'
+    string_to_replace='tests.app\/Contents\/MacOS\/'
+    replacement_string=''
+
+    # Use sed to replace the string
+    sed -i '' "s/$string_to_replace/$replacement_string/g" "$file"
+
+    echo "Replaced '$string_to_replace' with '$replacement_string' in '$file'."
+}
+
+make clean
+qmake
+replaceDestinationBinary
+make
+./tests

tests/src/documenthandler.cpp

@@ -0,0 +1,80 @@
+#include "includes/documenthandler.h"
+
+#include <QFile>
+#include <QFileDialog>
+#include <QOperatingSystemVersion>
+#include <QQmlEngine>
+#include <QSettings>
+#include <QTextStream>
+#include <QUrl>
+
+#include "includes/highlighter.h"
+
+DocumentHandler::DocumentHandler(QObject* parent)
+    : QObject(parent) {
+}
+
+bool DocumentHandler::isDarkMode() {
+    if (QOperatingSystemVersion::currentType() != QOperatingSystemVersion::MacOS) {
+        return false;
+    }
+
+    QSettings settings("Apple", "General");
+    QString theme = settings.value("AppleInterfaceStyle", "").toString();
+    return theme == "Dark";
+}
+
+void DocumentHandler::openFile(const QString& path) {
+    QUrl url(path);
+    QFile file(url.toLocalFile());
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+        return;
+    QTextStream stream(&file);
+    auto text = stream.readAll();
+    setText(text);
+    file.close();
+}
+
+void DocumentHandler::setDocument(QQuickTextDocument* document, const QString& theme) {
+    auto highlighter = new Highlighter(document->textDocument(), theme);
+    Q_UNUSED(highlighter)
+}
+
+QString DocumentHandler::text() const {
+    return m_text;
+}
+
+void DocumentHandler::setText(QString text) {
+    if (m_text != text) {
+        m_text = text;
+        emit textChanged(text);
+    }
+}
+
+bool DocumentHandler::saveToFile(const QString& filename, const QString& content) {
+    QFile file(filename);
+
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        qWarning() << "Could not open file for writing:" << filename;
+        return false;
+    }
+
+    QTextStream out(&file);
+    out << content;
+    file.close();
+    return true;
+}
+
+QString DocumentHandler::loadFromFile(const QString& filename) {
+    QFile file(filename);
+
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qWarning() << "Could not open file for reading:" << filename;
+        return QString();
+    }
+
+    QTextStream in(&file);
+    QString content = in.readAll();
+    file.close();
+    return content;
+}