refactor: decouple tests

tests/LlmSuggestionTest.cpp

@@ -0,0 +1,88 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include "LlmSuggestionTest.hpp"
+
+#include <QTest>
+
+#include "completion/LLMSuggestion.hpp"
+
+namespace QodeAssist {
+
+void LlmSuggestionTest::testReplaceLengthEmptyRight()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("foo", ""), 0);
+}
+
+void LlmSuggestionTest::testReplaceLengthNoOverlap()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("foo", "bar"), 0);
+}
+
+void LlmSuggestionTest::testReplaceLengthSingleCharNoOverlap()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("a", "b"), 0);
+}
+
+void LlmSuggestionTest::testReplaceLengthLcpExtendsRight()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("myVar", "myVariable"), 5);
+}
+
+void LlmSuggestionTest::testReplaceLengthLcpPartialEngineCall()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("engine.load()", "engine.rootContext()"), 7);
+}
+
+void LlmSuggestionTest::testReplaceLengthLcpThenClosingTailExtendsFull()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("colors << \"red\"", "colors{};"), 9);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailReplaceSemicolon()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("x;", ";"), 1);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailReplaceParen()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("arg1, arg2)", ")"), 1);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailReplaceBrackets()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("[0]", "];"), 2);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailReplaceBracesAndSemi()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("= {\"red\"}", "{};"), 3);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailWithLeadingSpace()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength(" = {\"red\"}", "{};"), 3);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailEqualsSemi()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("= 5;", ";"), 1);
+}
+
+void LlmSuggestionTest::testReplaceLengthClosingTailNoMatchingClose()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("\"red\", \"green\"", "};"), 0);
+}
+
+void LlmSuggestionTest::testReplaceLengthRealCodeRightNoLcp()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("myVar", " = 5;"), 0);
+}
+
+void LlmSuggestionTest::testReplaceLengthTrailingWhitespaceOnlyLeftAlone()
+{
+    QCOMPARE(LLMSuggestion::calculateReplaceLength("code", "   "), 0);
+}
+
+} // namespace QodeAssist