add test cases for float and no formatters

sources/test/testnoformatter.cpp

@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets is free software: you can redistribute it and/or      *
+ *   modify it under the terms of the GNU General Public License as        *
+ *   published by the Free Software Foundation, either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   awesome-widgets is distributed in the hope that it will be useful,    *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+
+#include "testnoformatter.h"
+
+#include <QtTest>
+
+#include "awnoformatter.h"
+
+
+void TestAWNoFormatter::initTestCase()
+{
+    formatter = new AWNoFormatter(nullptr);
+}
+
+
+void TestAWNoFormatter::cleanupTestCase()
+{
+    delete formatter;
+}
+
+
+void TestAWNoFormatter::test_values()
+{
+}
+
+
+void TestAWNoFormatter::test_conversion()
+{
+    // integer
+    int randomInt = rand();
+    QCOMPARE(formatter->convert(randomInt), QString::number(randomInt));
+    // float
+    QWARN("Float conversion isn't tested here due to possible rounding errors");
+    // string
+    QString randomString = generateRandomString();
+    QCOMPARE(formatter->convert(randomString), randomString);
+}
+
+
+void TestAWNoFormatter::test_copy()
+{
+    AWNoFormatter *newFormatter = formatter->copy(QString("/dev/null"), 1);
+
+    QCOMPARE(newFormatter->number(), 1);
+
+    delete newFormatter;
+}
+
+
+QString TestAWNoFormatter::generateRandomString()
+{
+    QString string;
+
+    int diff = 'Z' - 'A';
+    int count = rand() % 100 + 1;
+    for (int i = 0; i < count; i++) {
+        char c = 'A' + (rand() % diff);
+        string += QChar(c);
+    }
+
+    return string;
+}
+
+
+QTEST_MAIN(TestAWNoFormatter);