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Test HelpArgument

This commit is contained in:
Martchus 2017-06-25 01:19:21 +02:00
parent db60e39630
commit f62ed9f63d
1 changed files with 68 additions and 0 deletions
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68
tests/argumentparsertests.cpp
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@ -32,6 +32,7 @@ class ArgumentParserTests : public TestFixture {
CPPUNIT_TEST(testParsing);
CPPUNIT_TEST(testCallbacks);
CPPUNIT_TEST(testBashCompletion);
CPPUNIT_TEST(testHelp);
CPPUNIT_TEST_SUITE_END();
public:
@ -42,6 +43,7 @@ public:
void testParsing();
void testCallbacks();
void testBashCompletion();
void testHelp();
private:
void callback();
@ -590,3 +592,69 @@ void ArgumentParserTests::testBashCompletion()
throw;
}
}
/*!
* \brief Tests --help output.
*/
void ArgumentParserTests::testHelp()
{
// redirect cout to custom buffer
stringstream buffer;
streambuf *regularCoutBuffer = cout.rdbuf(buffer.rdbuf());
// setup parser
ArgumentParser parser;
HelpArgument helpArg(parser);
helpArg.setRequired(true);
OperationArgument verboseArg("verbose", 'v', "be verbose", "actually not an operation");
verboseArg.setCombinable(true);
ConfigValueArgument nestedSubArg("nested-sub", '\0', "nested sub arg", { "value1", "value2" });
nestedSubArg.setRequiredValueCount(-1);
Argument subArg("sub", '\0', "sub arg");
subArg.setRequired(true);
subArg.addSubArgument(&nestedSubArg);
Argument filesArg("files", 'f', "specifies the path of the file(s) to be opened");
filesArg.setCombinable(true);
filesArg.addSubArgument(&subArg);
Argument envArg("env", '\0', "env");
envArg.setEnvironmentVariable("FILES");
envArg.setRequiredValueCount(2);
envArg.setValueNames({ "file" });
parser.addMainArgument(&helpArg);
parser.addMainArgument(&verboseArg);
parser.addMainArgument(&filesArg);
parser.addMainArgument(&envArg);
// parse args
const char *const argv[] = { "app", "-h" };
buffer.str(string());
cout.rdbuf(buffer.rdbuf());
parser.parseArgs(2, argv);
cout.rdbuf(regularCoutBuffer);
CPPUNIT_ASSERT_EQUAL("\e[1m" APP_NAME ", version " APP_VERSION "\n"
"\n\e[0m"
"Available arguments:\n"
"\e[1m--help, -h\e[0m\n"
" shows this information\n"
" particularities: mandatory\n"
"\n"
"\e[1m--verbose, -v\e[0m\n"
" be verbose\n"
" \n"
"usage: actually not an operation\n"
"\n"
"\e[1m--files, -f\e[0m\n"
" specifies the path of the file(s) to be opened\n"
" \e[1m--sub\e[0m\n"
" sub arg\n"
" particularities: mandatory if parent argument is present\n"
" \e[1m--nested-sub\e[0m [value1] [value2] ...\n"
" nested sub arg\n"
"\n"
"\e[1m--env\e[0m [file] [value 2]\n"
" env\n"
" default environment variable: FILES\n"
"\n"
"Project website: " APP_URL "\n"s,
buffer.str());
}