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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "quicktestvisitors.h"
#include <cplusplus/Overview.h>
#include <qmljs/parser/qmljsast_p.h>
#include <qmljs/qmljsbind.h>
#include <qmljs/qmljslink.h>
#include <qmljs/qmljsutils.h>
#include <utils/algorithm.h>
#include <utils/qtcassert.h>
#include <QDebug>
namespace Autotest {
namespace Internal {
static QStringList specialFunctions({"initTestCase", "cleanupTestCase", "init", "cleanup"});
TestQmlVisitor::TestQmlVisitor(QmlJS::Document::Ptr doc,
const QmlJS::Snapshot &snapshot,
bool checkForDerivedTest)
: m_currentDoc(doc)
, m_snapshot(snapshot)
, m_checkForDerivedTest(checkForDerivedTest)
{
}
static bool documentImportsQtTest(const QmlJS::Document *doc)
{
if (const QmlJS::Bind *bind = doc->bind()) {
return Utils::anyOf(bind->imports(), [](const QmlJS::ImportInfo &info) {
return info.isValid() && info.name() == "QtTest";
});
}
return false;
}
static bool isDerivedFromTestCase(QmlJS::AST::UiQualifiedId *id, const QmlJS::Document::Ptr &doc,
const QmlJS::Snapshot &snapshot)
{
if (!id)
return false;
QmlJS::Link link(snapshot, QmlJS::ViewerContext(), QmlJS::LibraryInfo());
const QmlJS::ContextPtr context = link();
const QmlJS::ObjectValue *value = context->lookupType(doc.data(), id);
if (!value)
return false;
QmlJS::PrototypeIterator protoIterator(value, context);
const QList<const QmlJS::ObjectValue *> prototypes = protoIterator.all();
for (const QmlJS::ObjectValue *val : prototypes) {
if (auto prototype = val->prototype()) {
if (auto qmlPrototypeRef = prototype->asQmlPrototypeReference()) {
if (auto qmlTypeName = qmlPrototypeRef->qmlTypeName()) {
if (qmlTypeName->name == QLatin1String("TestCase")) {
if (auto astObjVal = val->asAstObjectValue())
return documentImportsQtTest(astObjVal->document());
}
}
}
}
}
return false;
}
bool TestQmlVisitor::visit(QmlJS::AST::UiObjectDefinition *ast)
{
const QStringView name = ast->qualifiedTypeNameId->name;
m_objectIsTestStack.push(false);
if (name != QLatin1String("TestCase")) {
if (!m_checkForDerivedTest
|| !isDerivedFromTestCase(ast->qualifiedTypeNameId, m_currentDoc, m_snapshot)) {
return true;
}
} else if (!documentImportsQtTest(m_currentDoc.data())) {
return true; // find nested TestCase items as well
}
m_objectIsTestStack.top() = true;
const auto sourceLocation = ast->firstSourceLocation();
QuickTestCaseSpec currentSpec;
currentSpec.m_locationAndType.m_filePath = m_currentDoc->fileName();
currentSpec.m_locationAndType.m_line = sourceLocation.startLine;
currentSpec.m_locationAndType.m_column = sourceLocation.startColumn - 1;
currentSpec.m_locationAndType.m_type = TestTreeItem::TestCase;
m_caseParseStack.push(currentSpec);
return true;
}
void TestQmlVisitor::endVisit(QmlJS::AST::UiObjectDefinition *)
{
if (!m_objectIsTestStack.isEmpty() && m_objectIsTestStack.pop() && !m_caseParseStack.isEmpty())
m_testCases << m_caseParseStack.pop();
}
bool TestQmlVisitor::visit(QmlJS::AST::ExpressionStatement *ast)
{
const QmlJS::AST::ExpressionNode *expr = ast->expression;
return expr->kind == QmlJS::AST::Node::Kind_StringLiteral;
}
bool TestQmlVisitor::visit(QmlJS::AST::UiScriptBinding *ast)
{
if (m_objectIsTestStack.top())
m_expectTestCaseName = ast->qualifiedId->name == QLatin1String("name");
return m_expectTestCaseName;
}
void TestQmlVisitor::endVisit(QmlJS::AST::UiScriptBinding *)
{
if (m_expectTestCaseName)
m_expectTestCaseName = false;
}
bool TestQmlVisitor::visit(QmlJS::AST::FunctionDeclaration *ast)
{
if (m_caseParseStack.isEmpty())
return false;
const QString name = ast->name.toString();
if (name.startsWith("test_") || name.startsWith("benchmark_") || name.endsWith("_data")
|| specialFunctions.contains(name)) {
const auto sourceLocation = ast->firstSourceLocation();
TestCodeLocationAndType locationAndType;
locationAndType.m_name = name;
locationAndType.m_filePath = m_currentDoc->fileName();
locationAndType.m_line = sourceLocation.startLine;
locationAndType.m_column = sourceLocation.startColumn - 1;
if (specialFunctions.contains(name))
locationAndType.m_type = TestTreeItem::TestSpecialFunction;
else if (name.endsWith("_data"))
locationAndType.m_type = TestTreeItem::TestDataFunction;
else
locationAndType.m_type = TestTreeItem::TestFunction;
// identical test functions inside the same file are not working - will fail at runtime
if (!Utils::anyOf(m_caseParseStack.top().m_functions,
[locationAndType](const TestCodeLocationAndType &func) {
return func.m_type == locationAndType.m_type
&& func.m_name == locationAndType.m_name
&& func.m_filePath == locationAndType.m_filePath;
})) {
m_caseParseStack.top().m_functions.append(locationAndType);
}
}
return false;
}
bool TestQmlVisitor::visit(QmlJS::AST::StringLiteral *ast)
{
if (m_expectTestCaseName) {
QTC_ASSERT(!m_caseParseStack.isEmpty(), return false);
m_caseParseStack.top().m_caseName = ast->value.toString();
m_expectTestCaseName = false;
}
return false;
}
void TestQmlVisitor::throwRecursionDepthError()
{
qWarning("Warning: Hit maximum recursion depth while visiting AST in TestQmlVisitor");
}
/************************************** QuickTestAstVisitor *************************************/
QuickTestAstVisitor::QuickTestAstVisitor(CPlusPlus::Document::Ptr doc)
: ASTVisitor(doc->translationUnit())
, m_currentDoc(doc)
{
}
bool QuickTestAstVisitor::visit(CPlusPlus::CallAST *ast)
{
if (m_currentDoc.isNull())
return false;
if (const auto expressionAST = ast->base_expression) {
if (const auto idExpressionAST = expressionAST->asIdExpression()) {
if (const auto simpleNameAST = idExpressionAST->name->asSimpleName()) {
const CPlusPlus::Overview o;
const QString prettyName = o.prettyName(simpleNameAST->name);
if (prettyName == "quick_test_main" || prettyName == "quick_test_main_with_setup") {
if (auto expressionListAST = ast->expression_list) {
// third argument is the one we need, so skip current and next
expressionListAST = expressionListAST->next; // argv
expressionListAST = expressionListAST ? expressionListAST->next : nullptr; // testcase literal
if (expressionListAST && expressionListAST->value) {
const auto *stringLitAST = expressionListAST->value->asStringLiteral();
if (!stringLitAST)
return false;
const auto *string
= translationUnit()->stringLiteral(stringLitAST->literal_token);
if (string) {
m_testBaseName = QString::fromUtf8(string->chars(),
int(string->size()));
}
}
}
}
}
}
}
return false;
}
} // namespace Internal
} // namespace Autotest
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