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-rw-r--r--src/testlib/doc/snippets/code/doc_src_qtestlib.qdoc9
-rw-r--r--src/testlib/doc/src/qttest-best-practices.qdoc7
-rw-r--r--src/testlib/doc/src/qttestlib-manual.qdoc36
-rw-r--r--src/testlib/qtestcase.cpp60
4 files changed, 83 insertions, 29 deletions
diff --git a/src/testlib/doc/snippets/code/doc_src_qtestlib.qdoc b/src/testlib/doc/snippets/code/doc_src_qtestlib.qdoc
index 1f372fadedf..68378ad403b 100644
--- a/src/testlib/doc/snippets/code/doc_src_qtestlib.qdoc
+++ b/src/testlib/doc/snippets/code/doc_src_qtestlib.qdoc
@@ -69,9 +69,16 @@ testname [options] [testfunctions[:testdata]]...
//! [6]
-cetest [options] ...
+./testqlocale roundTripInt:zero
//! [6]
+//! [7]
+./testqlocale roundTripInt:C
+//! [7]
+
+//! [8]
+./testqlocale roundTripInt:C:zero
+//! [8]
//! [9]
/myTestDirectory$ qmake -project "QT += testlib"
diff --git a/src/testlib/doc/src/qttest-best-practices.qdoc b/src/testlib/doc/src/qttest-best-practices.qdoc
index 7143e644fd1..788380652ac 100644
--- a/src/testlib/doc/src/qttest-best-practices.qdoc
+++ b/src/testlib/doc/src/qttest-best-practices.qdoc
@@ -182,6 +182,13 @@
tested even when earlier ones fail. It also encourages systematic and
uniform testing, because the same tests are applied to each data sample.
+ When a test is data-driven, you can specify its data-tag along with the
+ test-function name, as \c{function:tag}, on the command-line of the test to
+ run the test on just one specific test-case, rather than all test-cases of
+ the function. This can be used for either a global data tag or a local tag,
+ identifying a row from the function's own data; you can even combine them as
+ \c{function:global:local}.
+
\section2 Use Coverage Tools
Use a coverage tool such as \l {Froglogic Coco Code Coverage} or \l {gcov}
diff --git a/src/testlib/doc/src/qttestlib-manual.qdoc b/src/testlib/doc/src/qttestlib-manual.qdoc
index e940f3cae37..79974371030 100644
--- a/src/testlib/doc/src/qttestlib-manual.qdoc
+++ b/src/testlib/doc/src/qttestlib-manual.qdoc
@@ -228,9 +228,9 @@
\snippet code/doc_src_qtestlib.qdoc 4
Runs the \c toUpper test function with all available test data,
- and the \c toInt test function with the test data called \c
+ and the \c toInt test function with the test data row called \c
zero (if the specified test data doesn't exist, the associated test
- will fail).
+ will fail and the available data tags are reported).
\snippet code/doc_src_qtestlib.qdoc 5
@@ -485,7 +485,7 @@
You can define \c{initTestCase_data()} to set up a global test data table.
Each test is run once for each row in the global test data table. When the
- test function itself \l{Chapter 2: Data-driven Testing}{is data-driven},
+ test function itself \l{Chapter 2: Data Driven Testing}{is data-driven},
it is run for each local data row, for each global data row. So, if there
are \c g rows in the global data table and \c d rows in the test's own
data-table, the number of runs of this test is \c g times \c d.
@@ -508,6 +508,32 @@
each locale provided by \c {initTestCase_data()}:
\snippet code/src_qtestlib_qtestcase_snippet.cpp 31
+
+ On the command-line of a test you can pass the name of a function (with no
+ test-class-name prefix) to run only that one function's tests. If the test
+ class has global data, or the function is data-driven, you can append a data
+ tag, after a colon, to run only that tag's data-set for the function. To
+ specify both a global tag and a tag specific to the test function, combine
+ them with a colon between, putting the global data tag first. For example
+
+ \snippet code/doc_src_qtestlib.qdoc 6
+
+ will run the \c zero test-case of the \c roundTripInt() test above (assuming
+ its \c TestQLocale class has been compiled to an executable \c testqlocale)
+ in each of the locales specified by \c initTestCase_data(), while
+
+ \snippet code/doc_src_qtestlib.qdoc 7
+
+ will run all three test-cases of \c roundTripInt() only in the C locale and
+
+ \snippet code/doc_src_qtestlib.qdoc 8
+
+ will only run the \c zero test-case in the C locale.
+
+ Providing such fine-grained control over which tests are to be run can make
+ it considerably easier to debug a problem, as you only need to step through
+ the one test-case that has been seen to fail.
+
*/
/*!
@@ -591,8 +617,8 @@
Now that we finished writing our test, we want to execute
it. Assuming that our test was saved as \c testqstring.cpp in an
- empty directory, we build the test using qmake to create a project
- and generate a makefile.
+ empty directory, we build the test using \c qmake to create a
+ project and generate a makefile.
\snippet code/doc_src_qtestlib.qdoc 9
diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
index c1b9e31d803..caaf22508db 100644
--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -327,7 +327,7 @@ public:
static QMetaMethod findMethod(const QObject *obj, const char *signature);
private:
- bool invokeTest(int index, const char *data, WatchDog *watchDog) const;
+ bool invokeTest(int index, QLatin1String tag, WatchDog *watchDog) const;
void invokeTestOnData(int index) const;
QMetaMethod m_initTestCaseMethod; // might not exist, check isValid().
@@ -1148,7 +1148,7 @@ public:
If the function was successfully called, true is returned, otherwise
false.
*/
-bool TestMethods::invokeTest(int index, const char *data, WatchDog *watchDog) const
+bool TestMethods::invokeTest(int index, QLatin1String tag, WatchDog *watchDog) const
{
QBenchmarkTestMethodData benchmarkData;
QBenchmarkTestMethodData::current = &benchmarkData;
@@ -1168,6 +1168,18 @@ bool TestMethods::invokeTest(int index, const char *data, WatchDog *watchDog) co
return globalDataCount ? gTable->testData(index)->dataTag() : nullptr;
};
+ const auto dataTagMatches = [](QLatin1String tag, QLatin1String local, QLatin1String global) {
+ if (tag.isEmpty()) // No tag specified => run all data sets for this function
+ return true;
+ if (tag == local || tag == global) // Equal to either => run it
+ return true;
+ // Also allow global:local as a match:
+ return tag.startsWith(global) && tag.endsWith(local) &&
+ tag.size() == global.size() + 1 + local.size() &&
+ tag[global.size()] == ':';
+ };
+ bool foundFunction = false;
+
/* For each entry in the global data table, do: */
do {
if (!gTable->isEmpty())
@@ -1180,7 +1192,6 @@ bool TestMethods::invokeTest(int index, const char *data, WatchDog *watchDog) co
break;
}
- bool foundFunction = false;
int curDataIndex = 0;
const int dataCount = table.dataCount();
const auto dataTag = [&table, dataCount](int index) {
@@ -1188,22 +1199,18 @@ bool TestMethods::invokeTest(int index, const char *data, WatchDog *watchDog) co
};
// Data tag requested but none available?
- if (data && !dataCount) {
- // Let empty data tag through.
- if (!*data)
- data = nullptr;
- else {
- fprintf(stderr, "Unknown testdata for function %s(): '%s'\n", name.constData(), data);
- fprintf(stderr, "Function has no testdata.\n");
- return false;
- }
+ if (!tag.isEmpty() && !dataCount && !globalDataCount) {
+ fprintf(stderr, "Unknown test data tag for function %s(): '%s'\n"
+ "Function has no testdata.\n", name.constData(), tag.data());
+ return false;
}
/* For each entry in this test's data table, do: */
do {
QTestResult::setSkipCurrentTest(false);
QTestResult::setBlacklistCurrentTest(false);
- if (!data || !qstrcmp(data, table.testData(curDataIndex)->dataTag())) {
+ if (dataTagMatches(tag, QLatin1String(dataTag(curDataIndex)),
+ QLatin1String(globalDataTag(curGlobalDataIndex)))) {
foundFunction = true;
QTestPrivate::checkBlackLists(name.constData(), dataTag(curDataIndex),
@@ -1219,24 +1226,31 @@ bool TestMethods::invokeTest(int index, const char *data, WatchDog *watchDog) co
if (watchDog)
watchDog->testFinished();
- if (data)
+ if (!tag.isEmpty() && !globalDataCount)
break;
}
++curDataIndex;
} while (curDataIndex < dataCount);
- if (data && !foundFunction) {
- fprintf(stderr, "Unknown testdata for function %s: '%s()'\n", name.constData(), data);
- fprintf(stderr, "Available testdata:\n");
- for (int i = 0; i < table.dataCount(); ++i)
- fprintf(stderr, "%s\n", table.testData(i)->dataTag());
- return false;
- }
-
QTestResult::setCurrentGlobalTestData(nullptr);
++curGlobalDataIndex;
} while (curGlobalDataIndex < globalDataCount);
+ if (!tag.isEmpty() && !foundFunction) {
+ fprintf(stderr, "Unknown testdata for function %s(): '%s'\n", name.constData(), tag.data());
+ if (table.dataCount()) {
+ fputs("Available test-specific data tags:\n", stderr);
+ for (int i = 0; i < table.dataCount(); ++i)
+ fprintf(stderr, "\t%s\n", table.testData(i)->dataTag());
+ }
+ if (globalDataCount) {
+ fputs("Available global data tags:\n", stderr);
+ for (int i = 0; i < globalDataCount; ++i)
+ fprintf(stderr, "\t%s\n", gTable->testData(i)->dataTag());
+ }
+ return false;
+ }
+
QTestResult::finishedCurrentTestFunction();
QTestResult::setSkipCurrentTest(false);
QTestResult::setBlacklistCurrentTest(false);
@@ -1557,7 +1571,7 @@ void TestMethods::invokeTests(QObject *testObject) const
const char *data = nullptr;
if (i < QTest::testTags.size() && !QTest::testTags.at(i).isEmpty())
data = qstrdup(QTest::testTags.at(i).toLatin1().constData());
- const bool ok = invokeTest(i, data, watchDog.data());
+ const bool ok = invokeTest(i, QLatin1String(data), watchDog.data());
delete [] data;
if (!ok)
break;
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-12 10:06:46 +0000