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feat: Unit tests for command_line::parser

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This commit is contained in:
Michael Carlberg 2016-10-10 20:23:30 +02:00
parent 2921239833
commit b4b563dda6
2 changed files with 119 additions and 0 deletions
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1
TODO
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@ -1,6 +1,7 @@
task: sandbox modules
task: rewrite README for 2.0
task: rewrite i3 module
task: improve test coverage
fix: hide mpd controls if playlist is empty
bug: allow empty formats
bug: ntpd update crash

118
tests/components/test_command_line.cpp Normal file
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@ -0,0 +1,118 @@
#include <lemonbuddy/components/command_line.hpp>
#include <lemonbuddy/utils/string.hpp>
#include "../unit_test.hpp"
using namespace lemonbuddy;
using cli_parser = command_line::parser;
// clang-format off
const command_line::options g_opts{
command_line::option{"-f", "--flag", "Flag description"},
command_line::option{"-o", "--option", "Option description", "OPTION", {"foo", "bar", "baz"}},
};
// clang-format on
class test_command_line : public unit_test {
public:
CPPUNIT_TEST_SUITE(test_command_line);
CPPUNIT_TEST(test_has_short);
CPPUNIT_TEST(test_has_long);
CPPUNIT_TEST(test_compare);
CPPUNIT_TEST(test_get);
CPPUNIT_TEST(test_missing_value);
CPPUNIT_TEST(test_invalid_value);
CPPUNIT_TEST(test_unrecognized);
CPPUNIT_TEST_SUITE_END();
void test_has_short() {
auto cli = get_instance();
cli.process_input(string_util::split("-f", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(false, cli.has("option"));
cli = get_instance();
cli.process_input(string_util::split("-f -o foo", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(true, cli.has("option"));
cli = get_instance();
cli.process_input(string_util::split("-o baz", ' '));
CPPUNIT_ASSERT_EQUAL(false, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(true, cli.has("option"));
}
void test_has_long() {
auto cli = get_instance();
cli.process_input(string_util::split("--flag", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(false, cli.has("option"));
cli = get_instance();
cli.process_input(string_util::split("--flag --option=foo", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(true, cli.has("option"));
cli = get_instance();
cli.process_input(string_util::split("--option=baz", ' '));
CPPUNIT_ASSERT_EQUAL(false, cli.has("flag"));
CPPUNIT_ASSERT_EQUAL(true, cli.has("option"));
}
void test_compare() {
auto cli = get_instance();
cli.process_input(string_util::split("-o baz", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.compare("option", "baz"));
cli = get_instance();
cli.process_input(string_util::split("--option=foo", ' '));
CPPUNIT_ASSERT_EQUAL(true, cli.compare("option", "foo"));
}
void test_get() {
auto cli = get_instance();
cli.process_input(string_util::split("--option=baz", ' '));
CPPUNIT_ASSERT_EQUAL(string{"baz"}, cli.get("option"));
cli = get_instance();
cli.process_input(string_util::split("--option=foo", ' '));
CPPUNIT_ASSERT_EQUAL(string{"foo"}, cli.get("option"));
}
void test_missing_value() {
auto input1 = string_util::split("--option", ' ');
auto input2 = string_util::split("-o", ' ');
using command_line::value_error;
CPPUNIT_ASSERT_THROW(get_instance().process_input(input1), value_error);
CPPUNIT_ASSERT_THROW(get_instance().process_input(input2), value_error);
}
void test_invalid_value() {
auto input1 = string_util::split("--option=invalid", ' ');
auto input2 = string_util::split("-o invalid_value", ' ');
using command_line::value_error;
CPPUNIT_ASSERT_THROW(get_instance().process_input(input1), value_error);
CPPUNIT_ASSERT_THROW(get_instance().process_input(input2), value_error);
}
void test_unrecognized() {
auto input1 = string_util::split("-x", ' ');
auto input2 = string_util::split("--unrecognized", ' ');
using command_line::argument_error;
CPPUNIT_ASSERT_THROW(get_instance().process_input(input1), argument_error);
CPPUNIT_ASSERT_THROW(get_instance().process_input(input2), argument_error);
}
private:
cli_parser get_instance() {
return cli_parser::configure<cli_parser>("cmd", g_opts).create<cli_parser>();
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(test_command_line);