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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <QtTest>
#include "querycompleter.h"
class TestQueryCompleter : public QObject
{
Q_OBJECT
private slots:
void emptyTextCompletesPrefix();
void bareWordCompletesPrefix();
void wordAfterOperatorCompletesPrefix();
void prefixReplaceSpanCoversTheWord();
void colonSwitchesToValue();
void valueReplaceSpanExcludesThePrefix();
void prefixIsLowercased();
void emptyValueAfterColonStillCompletes();
void insideQuotesCompletesNothing();
void afterClosedQuotesCompletesAgain();
void rangeUpperBoundCompletes();
void rangeLowerBoundCompletes();
void bareValueAllowsRelativeEntries();
void rangeSuppressesRelativeEntries();
void prefixVocabularyCoversNotmuchKeywords();
void dateVocabularySeparatesRelativeEntries();
};
void TestQueryCompleter::emptyTextCompletesPrefix()
{
const CompletionContext ctx = completionContext(QString(), 0);
QCOMPARE(ctx.kind, CompletionContext::Prefix);
QCOMPARE(ctx.stem, QString());
}
void TestQueryCompleter::bareWordCompletesPrefix()
{
const CompletionContext ctx = completionContext(QStringLiteral("su"), 2);
QCOMPARE(ctx.kind, CompletionContext::Prefix);
QCOMPARE(ctx.stem, QStringLiteral("su"));
}
void TestQueryCompleter::wordAfterOperatorCompletesPrefix()
{
// The token boundary is whitespace, not the start of the line.
const QString text = QStringLiteral("tag:inbox and su");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::Prefix);
QCOMPARE(ctx.stem, QStringLiteral("su"));
}
void TestQueryCompleter::prefixReplaceSpanCoversTheWord()
{
const QString text = QStringLiteral("tag:inbox and su");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.replaceFrom, 14);
QCOMPARE(ctx.replaceLength, 2);
}
void TestQueryCompleter::colonSwitchesToValue()
{
const QString text = QStringLiteral("tag:sho");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::Value);
QCOMPARE(ctx.prefix, QStringLiteral("tag"));
QCOMPARE(ctx.stem, QStringLiteral("sho"));
}
void TestQueryCompleter::valueReplaceSpanExcludesThePrefix()
{
// Accepting must overwrite "sho" only, never "tag:".
const QString text = QStringLiteral("tag:sho");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.replaceFrom, 4);
QCOMPARE(ctx.replaceLength, 3);
}
void TestQueryCompleter::prefixIsLowercased()
{
const QString text = QStringLiteral("TAG:sho");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.prefix, QStringLiteral("tag"));
}
void TestQueryCompleter::emptyValueAfterColonStillCompletes()
{
// "tag:" with the cursor at the end offers every tag.
const QString text = QStringLiteral("tag:");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::Value);
QCOMPARE(ctx.prefix, QStringLiteral("tag"));
QCOMPARE(ctx.stem, QString());
QCOMPARE(ctx.replaceFrom, 4);
QCOMPARE(ctx.replaceLength, 0);
}
void TestQueryCompleter::insideQuotesCompletesNothing()
{
// subject:"foo bar| is a literal, not a keyword position.
const QString text = QStringLiteral("subject:\"foo bar");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::None);
}
void TestQueryCompleter::afterClosedQuotesCompletesAgain()
{
const QString text = QStringLiteral("subject:\"foo bar\" and ta");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::Prefix);
QCOMPARE(ctx.stem, QStringLiteral("ta"));
}
void TestQueryCompleter::rangeUpperBoundCompletes()
{
const QString text = QStringLiteral("date:today..yes");
const CompletionContext ctx = completionContext(text, text.size());
QCOMPARE(ctx.kind, CompletionContext::Value);
QCOMPARE(ctx.prefix, QStringLiteral("date"));
QCOMPARE(ctx.stem, QStringLiteral("yes"));
// Overwrites "yes" only: "date:today.." must survive.
QCOMPARE(ctx.replaceFrom, 12);
QCOMPARE(ctx.replaceLength, 3);
}
void TestQueryCompleter::rangeLowerBoundCompletes()
{
// Cursor sits at offset 8, mid-way through the lower bound rather than at
// its end. End-of-bound would not discriminate: there the whole-bound span
// and the typed-so-far span happen to be the same length.
const QString text = QStringLiteral("date:lastweek..today");
const CompletionContext ctx = completionContext(text, 8);
QCOMPARE(ctx.kind, CompletionContext::Value);
QCOMPARE(ctx.stem, QStringLiteral("las"));
QCOMPARE(ctx.replaceFrom, 5);
// Covers the whole lower bound, so accepting leaves no "tweek" tail.
QCOMPARE(ctx.replaceLength, 8);
QVERIFY(!ctx.allowRangeEntries);
}
void TestQueryCompleter::bareValueAllowsRelativeEntries()
{
const QString text = QStringLiteral("date:1w");
const CompletionContext ctx = completionContext(text, text.size());
QVERIFY(ctx.allowRangeEntries);
}
void TestQueryCompleter::rangeSuppressesRelativeEntries()
{
// "1week.." offered here would produce date:1week....today.
const QString text = QStringLiteral("date:1w..today");
const CompletionContext ctx = completionContext(text, 7);
QVERIFY(!ctx.allowRangeEntries);
}
void TestQueryCompleter::prefixVocabularyCoversNotmuchKeywords()
{
const QList<CompletionEntry> entries = prefixVocabulary();
QStringList values;
for (const CompletionEntry &entry : entries)
values.append(entry.value);
QVERIFY(values.contains(QStringLiteral("tag:")));
QVERIFY(values.contains(QStringLiteral("date:")));
QVERIFY(values.contains(QStringLiteral("and")));
// Every entry carries a description; a blank column teaches nothing.
for (const CompletionEntry &entry : entries)
QVERIFY(!entry.description.isEmpty());
}
void TestQueryCompleter::dateVocabularySeparatesRelativeEntries()
{
const QList<CompletionEntry> entries = dateVocabulary();
bool sawSymbolic = false;
bool sawRelative = false;
for (const CompletionEntry &entry : entries) {
if (entry.value == QStringLiteral("today"))
sawSymbolic = true;
if (entry.value.contains(QStringLiteral("..")))
sawRelative = true;
}
QVERIFY(sawSymbolic);
QVERIFY(sawRelative);
}
QTEST_MAIN(TestQueryCompleter)
#include "test_querycompleter.moc"
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