SubcommandTest.cpp
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#include "app_helper.hpp"
TEST_F(TApp, BasicSubcommands) {
auto sub1 = app.add_subcommand("sub1");
auto sub2 = app.add_subcommand("sub2");
EXPECT_EQ(sub1, app.get_subcommand(sub1));
EXPECT_EQ(sub1, app.get_subcommand("sub1"));
EXPECT_THROW(app.get_subcommand("sub3"), CLI::OptionNotFound);
run();
EXPECT_EQ((size_t)0, app.get_subcommands().size());
app.reset();
args = {"sub1"};
run();
EXPECT_EQ(sub1, app.get_subcommands().at(0));
app.reset();
EXPECT_EQ((size_t)0, app.get_subcommands().size());
args = {"sub2"};
run();
EXPECT_EQ(sub2, app.get_subcommands().at(0));
app.reset();
args = {"SUb2"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(TApp, MultiSubFallthrough) {
// No explicit fallthrough
auto sub1 = app.add_subcommand("sub1");
auto sub2 = app.add_subcommand("sub2");
args = {"sub1", "sub2"};
run();
EXPECT_TRUE(app.got_subcommand("sub1"));
EXPECT_TRUE(app.got_subcommand(sub1));
EXPECT_TRUE(*sub1);
EXPECT_TRUE(sub1->parsed());
EXPECT_TRUE(app.got_subcommand("sub2"));
EXPECT_TRUE(app.got_subcommand(sub2));
EXPECT_TRUE(*sub2);
app.reset();
app.require_subcommand();
run();
app.reset();
app.require_subcommand(2);
run();
app.reset();
app.require_subcommand(1);
EXPECT_THROW(run(), CLI::RequiredError);
app.reset();
args = {"sub1"};
run();
EXPECT_TRUE(app.got_subcommand("sub1"));
EXPECT_FALSE(app.got_subcommand("sub2"));
EXPECT_TRUE(*sub1);
EXPECT_FALSE(*sub2);
EXPECT_FALSE(sub2->parsed());
EXPECT_THROW(app.got_subcommand("sub3"), CLI::OptionNotFound);
}
TEST_F(TApp, Callbacks) {
auto sub1 = app.add_subcommand("sub1");
sub1->set_callback([]() { throw CLI::Success(); });
auto sub2 = app.add_subcommand("sub2");
bool val = false;
sub2->set_callback([&val]() { val = true; });
args = {"sub2"};
EXPECT_FALSE(val);
run();
EXPECT_TRUE(val);
}
TEST_F(TApp, NoFallThroughOpts) {
int val = 1;
app.add_option("--val", val);
app.add_subcommand("sub");
args = {"sub", "--val", "2"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(TApp, NoFallThroughPositionals) {
int val = 1;
app.add_option("val", val);
app.add_subcommand("sub");
args = {"sub", "2"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(TApp, FallThroughRegular) {
app.fallthrough();
int val = 1;
app.add_option("--val", val);
app.add_subcommand("sub");
args = {"sub", "--val", "2"};
// Should not throw
run();
}
TEST_F(TApp, FallThroughShort) {
app.fallthrough();
int val = 1;
app.add_option("-v", val);
app.add_subcommand("sub");
args = {"sub", "-v", "2"};
// Should not throw
run();
}
TEST_F(TApp, FallThroughPositional) {
app.fallthrough();
int val = 1;
app.add_option("val", val);
app.add_subcommand("sub");
args = {"sub", "2"};
// Should not throw
run();
}
TEST_F(TApp, FallThroughEquals) {
app.fallthrough();
int val = 1;
app.add_option("--val", val);
app.add_subcommand("sub");
args = {"sub", "--val=2"};
// Should not throw
run();
}
TEST_F(TApp, EvilParseFallthrough) {
app.fallthrough();
int val1 = 0, val2 = 0;
app.add_option("--val1", val1);
auto sub = app.add_subcommand("sub");
sub->add_option("val2", val2);
args = {"sub", "--val1", "1", "2"};
// Should not throw
run();
EXPECT_EQ(1, val1);
EXPECT_EQ(2, val2);
}
TEST_F(TApp, CallbackOrdering) {
app.fallthrough();
int val = 1, sub_val = 0;
app.add_option("--val", val);
auto sub = app.add_subcommand("sub");
sub->set_callback([&val, &sub_val]() { sub_val = val; });
args = {"sub", "--val=2"};
run();
EXPECT_EQ(2, val);
EXPECT_EQ(2, sub_val);
app.reset();
args = {"--val=2", "sub"};
run();
EXPECT_EQ(2, val);
EXPECT_EQ(2, sub_val);
}
TEST_F(TApp, RequiredSubCom) {
app.add_subcommand("sub1");
app.add_subcommand("sub2");
app.require_subcommand();
EXPECT_THROW(run(), CLI::RequiredError);
app.reset();
args = {"sub1"};
run();
}
TEST_F(TApp, Required1SubCom) {
app.require_subcommand(1);
app.add_subcommand("sub1");
app.add_subcommand("sub2");
app.add_subcommand("sub3");
EXPECT_THROW(run(), CLI::RequiredError);
app.reset();
args = {"sub1"};
run();
app.reset();
args = {"sub1", "sub2"};
EXPECT_THROW(run(), CLI::RequiredError);
}
TEST_F(TApp, BadSubcomSearch) {
auto one = app.add_subcommand("one");
auto two = one->add_subcommand("two");
EXPECT_THROW(app.get_subcommand(two), CLI::OptionNotFound);
}
TEST_F(TApp, PrefixProgram) {
app.prefix_command();
app.add_flag("--simple");
args = {"--simple", "other", "--simple", "--mine"};
auto ret_args = run();
EXPECT_EQ(ret_args, std::vector<std::string>({"--mine", "--simple", "other"}));
}
struct SubcommandProgram : public TApp {
CLI::App *start;
CLI::App *stop;
int dummy;
std::string file;
int count;
SubcommandProgram() {
start = app.add_subcommand("start", "Start prog");
stop = app.add_subcommand("stop", "Stop prog");
app.add_flag("-d", dummy, "My dummy var");
start->add_option("-f,--file", file, "File name");
stop->add_flag("-c,--count", count, "Some flag opt");
}
};
TEST_F(SubcommandProgram, Working) {
args = {"-d", "start", "-ffilename"};
run();
EXPECT_EQ(1, dummy);
EXPECT_EQ(start, app.get_subcommands().at(0));
EXPECT_EQ("filename", file);
}
TEST_F(SubcommandProgram, Spare) {
args = {"extra", "-d", "start", "-ffilename"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(SubcommandProgram, SpareSub) {
args = {"-d", "start", "spare", "-ffilename"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(SubcommandProgram, Multiple) {
args = {"-d", "start", "-ffilename", "stop"};
run();
EXPECT_EQ((size_t)2, app.get_subcommands().size());
EXPECT_EQ(1, dummy);
EXPECT_EQ("filename", file);
}
TEST_F(SubcommandProgram, MultipleOtherOrder) {
args = {"start", "-d", "-ffilename", "stop"};
EXPECT_THROW(run(), CLI::ExtrasError);
}
TEST_F(SubcommandProgram, MultipleArgs) {
args = {"start", "stop"};
run();
EXPECT_EQ((size_t)2, app.get_subcommands().size());
}
TEST_F(SubcommandProgram, CaseCheck) {
args = {"Start"};
EXPECT_THROW(run(), CLI::ExtrasError);
app.reset();
args = {"start"};
run();
app.reset();
start->ignore_case();
run();
app.reset();
args = {"Start"};
run();
}
TEST_F(TApp, SubcomInheritCaseCheck) {
app.ignore_case();
auto sub1 = app.add_subcommand("sub1");
auto sub2 = app.add_subcommand("sub2");
run();
EXPECT_EQ((size_t)0, app.get_subcommands().size());
app.reset();
args = {"SuB1"};
run();
EXPECT_EQ(sub1, app.get_subcommands().at(0));
app.reset();
EXPECT_EQ((size_t)0, app.get_subcommands().size());
args = {"sUb2"};
run();
EXPECT_EQ(sub2, app.get_subcommands().at(0));
}
TEST_F(SubcommandProgram, HelpOrder) {
args = {"-h"};
EXPECT_THROW(run(), CLI::CallForHelp);
args = {"start", "-h"};
EXPECT_THROW(run(), CLI::CallForHelp);
args = {"-h", "start"};
EXPECT_THROW(run(), CLI::CallForHelp);
}
TEST_F(SubcommandProgram, Callbacks) {
start->set_callback([]() { throw CLI::Success(); });
run();
app.reset();
args = {"start"};
EXPECT_THROW(run(), CLI::Success);
}