Autotests: Add convenience function for changing file contents

We do that in a lot of test functions.

Change-Id: I8629e8bf936bc8f45d6a42b3bfc89a6a078cd023
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

1 files changed, 3 insertions, 13 deletions

diff --git a/tests/auto/blackbox/tst_blackboxqt.cpp b/tests/auto/blackbox/tst_blackboxqt.cpp
index f2c263cfa..addde9a3f 100644
--- a/tests/auto/blackbox/tst_blackboxqt.cpp
+++ b/tests/auto/blackbox/tst_blackboxqt.cpp
@@ -286,24 +286,14 @@ void TestBlackboxQt::removeMocHeaderFromFileList()
 {
     QDir::setCurrent(testDataDir + "/remove-moc-header-from-file-list");
     QCOMPARE(runQbs(), 0);
+    QString projectFile("remove-moc-header-from-file-list.qbs");
     WAIT_FOR_NEW_TIMESTAMP();
-    QFile projectFile("remove-moc-header-from-file-list.qbs");
-    QVERIFY2(projectFile.open(QIODevice::ReadWrite), qPrintable(projectFile.errorString()));
-    QByteArray content = projectFile.readAll();
-    content.replace("\"file.h\"", "// \"file.h\"");
-    projectFile.resize(0);
-    projectFile.write(content);
-    projectFile.close();
+    REPLACE_IN_FILE(projectFile, "\"file.h\"", "// \"file.h\"");
     QbsRunParameters params;
     params.expectFailure = true;
     QVERIFY(runQbs(params) != 0);
     WAIT_FOR_NEW_TIMESTAMP();
-    QVERIFY2(projectFile.open(QIODevice::ReadWrite), qPrintable(projectFile.errorString()));
-    content = projectFile.readAll();
-    content.replace("// \"file.h\"", "\"file.h\"");
-    projectFile.resize(0);
-    projectFile.write(content);
-    projectFile.close();
+    REPLACE_IN_FILE(projectFile, "// \"file.h\"", "\"file.h\"");
     QCOMPARE(runQbs(), 0);
 }