add unit test for finding debug symbols

Change-Id: I285127ea9abd41f0aa50333e49ad4174d973f437
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

7 files changed, 138 insertions, 2 deletions

diff --git a/tests/auto/CMakeLists.txt b/tests/auto/CMakeLists.txt
index 8608d7f..01185b8 100644
--- a/tests/auto/CMakeLists.txt
+++ b/tests/auto/CMakeLists.txt
@@ -3,3 +3,4 @@ add_subdirectory(elfmap)
 add_subdirectory(kallsyms)
 add_subdirectory(perfdata)
 add_subdirectory(perfstdin)
+add_subdirectory(finddebugsym)
diff --git a/tests/auto/auto.pro b/tests/auto/auto.pro
index 484c867..c192fb0 100644
--- a/tests/auto/auto.pro
+++ b/tests/auto/auto.pro
@@ -4,6 +4,7 @@ SUBDIRS = \
     elfmap \
     kallsyms \
     perfdata \
-    perfstdin
+    perfstdin \
+    finddebugsym
 
 OTHER_FILES += auto.qbs
diff --git a/tests/auto/auto.qbs b/tests/auto/auto.qbs
index 43e061f..f695d2a 100644
--- a/tests/auto/auto.qbs
+++ b/tests/auto/auto.qbs
@@ -4,6 +4,6 @@ Project {
     name: "PerfParserAutotests"
     condition: project.withAutotests
     references: [
-        "addresscache", "elfmap", "kallsyms", "perfdata", "perfstdin"
+        "addresscache", "elfmap", "kallsyms", "perfdata", "perfstdin", "finddebugsym"
     ]
 }
diff --git a/tests/auto/finddebugsym/CMakeLists.txt b/tests/auto/finddebugsym/CMakeLists.txt
new file mode 100644
index 0000000..d91a0df
--- /dev/null
+++ b/tests/auto/finddebugsym/CMakeLists.txt
@@ -0,0 +1,4 @@
+add_qtc_test(tst_finddebugsym
+  DEPENDS Qt5::Core Qt5::Test perfparser_lib
+  SOURCES tst_finddebugsym.cpp
+)
diff --git a/tests/auto/finddebugsym/finddebugsym.pro b/tests/auto/finddebugsym/finddebugsym.pro
new file mode 100644
index 0000000..094785c
--- /dev/null
+++ b/tests/auto/finddebugsym/finddebugsym.pro
@@ -0,0 +1,19 @@
+QT += testlib
+QT -= gui
+
+CONFIG += testcase strict_flags warn_on
+
+INCLUDEPATH += ../../../app
+
+TARGET = tst_finddebugsym
+
+include(../../../elfutils.pri)
+
+SOURCES += \
+    tst_finddebugsym.cpp \
+    ../../../app/perfsymboltable.cpp
+
+HEADERS += \
+    ../../../app/perfsymboltable.h
+
+OTHER_FILES += finddebugsym.qbs
diff --git a/tests/auto/finddebugsym/finddebugsym.qbs b/tests/auto/finddebugsym/finddebugsym.qbs
new file mode 100644
index 0000000..2a68e3a
--- /dev/null
+++ b/tests/auto/finddebugsym/finddebugsym.qbs
@@ -0,0 +1,11 @@
+import qbs
+
+QtcAutotest {
+    name: "finddebugsym Autotest"
+    files: [
+        "tst_finddebugsym.cpp",
+        "../../../app/perfkallsyms.cpp",
+        "../../../app/perfkallsyms.h"
+    ]
+    cpp.includePaths: base.concat(["../../../app"])
+}
diff --git a/tests/auto/finddebugsym/tst_finddebugsym.cpp b/tests/auto/finddebugsym/tst_finddebugsym.cpp
new file mode 100644
index 0000000..c298749
--- /dev/null
+++ b/tests/auto/finddebugsym/tst_finddebugsym.cpp
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Lieven Hey
+*<lieven.hey@kdab.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Enterprise Perf Profiler Add-on.
+**
+** GNU General Public License Usage
+** This file may be used under the terms of the GNU General Public License
+** version 3 as published by the Free Software Foundation and appearing in
+** the file LICENSE.GPLv3 included in the packaging of this file. Please
+** review the following information to ensure the GNU General Public License
+** requirements will be met: https://www.gnu.org/licenses/gpl.html.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://www.qt.io/contact-us
+**
+****************************************************************************/
+
+#include "perfkallsyms.h"
+
+#include <QDebug>
+#include <QObject>
+#include <QTemporaryDir>
+#include <QTest>
+
+#include <QThread>
+
+#include "perfsymboltable.h"
+
+QFileInfo findDebugInfoFile(const QString& root, const QString& file, const QString& debugLinkString);
+
+class TestFindDebugSymbols : public QObject
+{
+    Q_OBJECT
+private slots:
+    void initTestCase()
+    {
+        const auto files = {QStringLiteral("/usr/bin/python3.8"),
+                            QStringLiteral("/usr/bin/.debug/096cdc8214a805dca8d174fe072684b0f21645.debug"),
+                            QStringLiteral("/usr/lib/libm.so"),
+                            QStringLiteral("/usr/lib/libqt.so"),
+                            QStringLiteral("/usr/lib/debug/libm.so"),
+                            QStringLiteral("/usr/lib/debug/lib/x64/libc.so"),
+                            QStringLiteral("/usr/lib/debug/lib/test.so"),
+                            QStringLiteral("/usr/lib/debug/usr/lib/test2.so")};
+
+        QDir dir(tempDir.path());
+        for (const auto& file : files) {
+            auto path = QFileInfo(tempDir.path() + file).path();
+            dir.mkpath(path);
+            QVERIFY(dir.exists(path));
+
+            QFile f(tempDir.path() + file);
+            f.open(QIODevice::WriteOnly);
+            f.write(file.toUtf8());
+            QVERIFY(f.exists());
+        }
+    }
+
+    void findDebugSymbols_data()
+    {
+        QTest::addColumn<QString>("root");
+        QTest::addColumn<QString>("file");
+        QTest::addColumn<QString>("debugLinkString");
+
+        QTest::addRow("/usr/bin") << QStringLiteral("/usr/bin/python3.8")
+                                  << QStringLiteral("096cdc8214a805dca8d174fe072684b0f21645.debug")
+                                  << QStringLiteral("/usr/bin/.debug/096cdc8214a805dca8d174fe072684b0f21645.debug");
+        QTest::addRow("/usr/lib/debug") << QStringLiteral("/usr/lib/libm.so") << QStringLiteral("libm.so")
+                                        << QStringLiteral("/usr/lib/debug/libm.so");
+        QTest::addRow("/usr/lib/debug") << QStringLiteral("/usr/lib/x64/libc.so") << QStringLiteral("libc.so")
+                                        << QStringLiteral("/usr/lib/debug/lib/x64/libc.so");
+        QTest::addRow("no debug file") << QStringLiteral("/usr/lib/libqt.so") << QStringLiteral("libqt.so")
+                                       << QStringLiteral("/usr/lib/libqt.so");
+        QTest::addRow("/us/lib/") << QStringLiteral("/usr/lib/test.so") << QStringLiteral("test.so")
+                                  << QStringLiteral("test.so");
+        QTest::addRow("/us/lib/") << QStringLiteral("/usr/lib/test2.so") << QStringLiteral("test2.so")
+                                  << QStringLiteral("test2.so");
+    }
+
+    void findDebugSymbols()
+    {
+        QFETCH(QString, root);
+        QFETCH(QString, file);
+        QFETCH(QString, debugLinkString);
+
+        auto debugFile = findDebugInfoFile(tempDir.path() + QDir::separator(), root, file);
+
+        QCOMPARE(debugFile.absoluteFilePath(), QFileInfo(tempDir.path() + debugLinkString).absoluteFilePath());
+    }
+
+private:
+    QTemporaryDir tempDir;
+};
+
+QTEST_GUILESS_MAIN(TestFindDebugSymbols)
+
+#include "tst_finddebugsym.moc"