stringpathtrietest.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "stringpathtrietest.h"
#include <QtTest>
#include <util/sll/prelude.h>
#include <stringpathtrie.h>
 
QTEST_APPLESS_MAIN (LC::Util::StringPathTrieTest)
 
namespace LC::Util
{
    using IntTrie = StringPathTrie<int>;
 
    using FindResult = IntTrie::FindResult;
 
    QVector<QStringView> AsRefs (const QVector<QString>& lst)
    {
        return Util::Map (lst, [] (const auto& str) { return QStringView { str }; });
    }
 
    void StringPathTrieTest::testEmptyTrie ()
    {
        IntTrie trie;
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), (FindResult { std::optional<int> {}, 3 }));
    }
 
    void StringPathTrieTest::testEmptyQuery ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 10);
 
        QCOMPARE (trie.Find (AsRefs ({})), FindResult { std::optional<int> {} });
    }
 
    void StringPathTrieTest::testExactMatchSingle ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 10);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), FindResult { std::optional<int> { 10 } });
    }
 
    void StringPathTrieTest::testExactMatchOverwriteSingle ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 10);
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 20);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), FindResult { std::optional<int> { 20 } });
    }
 
    void StringPathTrieTest::testExactMatchMulti ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar", "baz1" }), 10);
        trie.Add (AsRefs ({ "foo", "bar", "baz2" }), 20);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz1" })), FindResult { std::optional<int> { 10 } });
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz2" })), FindResult { std::optional<int> { 20 } });
    }
 
    void StringPathTrieTest::testExactMatchParentPre ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar" }), 10);
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 20);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar" })), FindResult { std::optional<int> { 10 } });
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), FindResult { std::optional<int> { 20 } });
    }
 
    void StringPathTrieTest::testExactMatchParentPost ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 20);
        trie.Add (AsRefs ({ "foo", "bar" }), 10);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar" })), FindResult { std::optional<int> { 10 } });
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), FindResult { std::optional<int> { 20 } });
    }
 
    void StringPathTrieTest::testPartialMatchLongerQuery ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo" }), 20);
        trie.Add (AsRefs ({ "foo", "bar" }), 10);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), (FindResult { std::optional<int> { 10 }, 1 }));
    }
 
    void StringPathTrieTest::testPartialMatchLongerQueryWithChildren ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo" }), 20);
        trie.Add (AsRefs ({ "foo", "bar" }), 10);
        trie.Add (AsRefs ({ "foo", "bar", "c1" }), 30);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), (FindResult { std::optional<int> { 10 }, 1 }));
 
        trie.Add (AsRefs ({ "foo", "bar", "c2" }), 30);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo", "bar", "baz" })), (FindResult { std::optional<int> { 10 }, 1 }));
    }
 
    void StringPathTrieTest::testPartialMatchShorterQuery ()
    {
        IntTrie trie;
        trie.Add (AsRefs ({ "foo", "bar" }), 20);
        trie.Add (AsRefs ({ "foo", "bar", "baz" }), 10);
 
        QCOMPARE (trie.Find (AsRefs ({ "foo" })).Value_, std::optional<int> {});
    }
}