Adding examples to tests

examples/CMakeLists.txt

@@ -15,11 +15,71 @@ function(add_cli_exe T)
 endfunction()
 
 add_cli_exe(simple simple.cpp)
+add_test(NAME simple_basic COMMAND simple)
+add_test(NAME simple_all COMMAND simple -f filename.txt -c 12 --flag --flag -d 1.2)
+set_property(TEST simple_all PROPERTY PASS_REGULAR_EXPRESSION
+    "Working on file: filename.txt, direct count: 1, opt count: 1"
+    "Working on count: 12, direct count: 1, opt count: 1"
+    "Received flag: 2 (2) times"
+    "Some value: 1.2")
+
+
 add_cli_exe(subcommands subcommands.cpp)
+add_test(NAME subcommands_none COMMAND subcommands)
+set_property(TEST subcommands_none PROPERTY
+    PASS_REGULAR_EXPRESSION "A subcommand is required")
+add_test(NAME subcommands_all COMMAND subcommands --random start --file name stop --count)
+set_property(TEST subcommands_all PROPERTY PASS_REGULAR_EXPRESSION
+    "Working on --file from start: name"
+    "Working on --count from stop: 1, direct count: 1"
+    "Count of --random flag: 1"
+    "Subcommand: start"
+    "Subcommand: stop")
+
 add_cli_exe(groups groups.cpp)
+add_test(NAME groups_none COMMAND groups)
+set_property(TEST groups_none PROPERTY PASS_REGULAR_EXPRESSION
+    "This is a timer:"
+    "--file is required"
+    "Run with --help for more information.")
+add_test(NAME groups_all COMMAND groups --file this --count --count -d 1.2)
+set_property(TEST groups_all PROPERTY PASS_REGULAR_EXPRESSION
+    "This is a timer:"
+    "Working on file: this, direct count: 1, opt count: 1"
+    "Working on count: 2, direct count: 2, opt count: 2"
+    "Some value: 1.2")
+
 add_cli_exe(inter_argument_order inter_argument_order.cpp)
+add_test(NAME inter_argument_order COMMAND inter_argument_order --foo 1 2 3 --x --bar 4 5 6 --z --foo 7 8)
+set_property(TEST inter_argument_order PROPERTY PASS_REGULAR_EXPRESSION
+    [=[foo : 1
+foo : 2
+foo : 3
+bar : 4
+bar : 5
+bar : 6
+foo : 7
+foo : 8]=])
+
 add_cli_exe(prefix_command prefix_command.cpp)
+add_test(NAME prefix_command COMMAND prefix_command -v 3 2 1 -- other one two 3)
+set_property(TEST prefix_command PROPERTY PASS_REGULAR_EXPRESSION
+    "Prefix: 3 : 2 : 1"
+    "Remaining commands: -- other one two 3")
+
 add_cli_exe(enum enum.cpp)
+add_test(NAME enum_pass COMMAND enum -l 1)
+add_test(NAME enum_fail COMMAND enum -l 4)
+set_property(TEST enum_fail PROPERTY PASS_REGULAR_EXPRESSION
+    "Could not convert: -l,--level = 4")
+
 add_cli_exe(modhelp modhelp.cpp)
+add_test(NAME modhelp COMMAND modhelp -a test -h)
+set_property(TEST modhelp PROPERTY PASS_REGULAR_EXPRESSION
+    "Option -a string in help: test")
 
 add_subdirectory(subcom_in_files)
+add_test(NAME subcom_in_files COMMAND subcommand_main subcommand_a -f this.txt --with-foo)
+set_property(TEST subcom_in_files PROPERTY PASS_REGULAR_EXPRESSION
+    "Working on file: this\.txt"
+    "Using foo!")

examples/inter_argument_order.cpp

@@ -5,15 +5,15 @@
 #include <algorithm>
 
 int main(int argc, char **argv) {
-    CLI::App app;
+    CLI::App app{"An app to practice mixing unlimited arguments, but still recover the original order."};
 
     std::vector<int> foos;
-    auto foo = app.add_option("--foo,-f", foos);
+    auto foo = app.add_option("--foo,-f", foos, "Some unlimited argument");
 
     std::vector<int> bars;
-    auto bar = app.add_option("--bar", bars);
+    auto bar = app.add_option("--bar", bars, "Some unlimited arggument");
 
-    app.add_flag("--z,--x"); // Random other flags
+    app.add_flag("--z,--x", "Random other flags");
 
     // Standard parsing lines (copy and paste in, or use CLI11_PARSE)
     try {
@@ -22,7 +22,7 @@ int main(int argc, char **argv) {
         return app.exit(e);
     }
 
-    // I perfer using the back and popping
+    // I prefer using the back and popping
     std::reverse(std::begin(foos), std::end(foos));
     std::reverse(std::begin(bars), std::end(bars));
 

examples/modhelp.cpp

@@ -1,12 +1,11 @@
-// Modify the help print so that argument values are accessible
-// Note that this will not shortcut `->required` and other similar options
 
 #include "CLI/CLI.hpp"
 
 #include <iostream>
 
 int main(int argc, char **argv) {
-    CLI::App test;
+    CLI::App test{R"raw(Modify the help print so that argument values are accessible.
+Note that this will not shortcut `->required` and other similar options.)raw"};
 
     // Remove help flag because it shortcuts all processing
     test.set_help_flag();
@@ -22,10 +21,10 @@ int main(int argc, char **argv) {
         if(*help)
             throw CLI::CallForHelp();
     } catch(const CLI::Error &e) {
-        std::cout << "Option string:" << some_option << std::endl;
+        std::cout << "Option -a string in help: " << some_option << std::endl;
         return test.exit(e);
     }
 
-    std::cout << "Option string:" << some_option << std::endl;
+    std::cout << "Option -a string: " << some_option << std::endl;
     return 0;
 }

examples/prefix_command.cpp

@@ -6,20 +6,18 @@ int main(int argc, char **argv) {
     app.prefix_command();
 
     std::vector<int> vals;
-    app.add_option("--vals,-v", vals)->expected(1);
+    app.add_option("--vals,-v", vals)->expected(-1);
 
     CLI11_PARSE(app, argc, argv);
 
     std::vector<std::string> more_comms = app.remaining();
 
-    std::cout << "Prefix:";
+    std::cout << "Prefix";
     for(int v : vals)
-        std::cout << v << ":";
+        std::cout << ": " << v << " ";
 
     std::cout << std::endl << "Remaining commands: ";
 
-    // Perfer to loop over from beginning, not "pop" order
-    std::reverse(std::begin(more_comms), std::end(more_comms));
     for(auto com : more_comms)
         std::cout << com << " ";
     std::cout << std::endl;

examples/simple.cpp

@@ -22,7 +22,7 @@ int main(int argc, char **argv) {
               << ", opt count: " << opt->count() << std::endl;
     std::cout << "Working on count: " << count << ", direct count: " << app.count("--count")
               << ", opt count: " << copt->count() << std::endl;
-    std::cout << "Recieved flag: " << v << " (" << flag->count() << ") times\n";
+    std::cout << "Received flag: " << v << " (" << flag->count() << ") times\n";
     std::cout << "Some value: " << value << std::endl;
 
     return 0;

examples/subcom_in_files/CMakeLists.txt

@@ -1 +1 @@
-add_cli_exe(main main.cpp subcommand_a.cpp subcommand_a.hpp)
+add_cli_exe(subcommand_main subcommand_main.cpp subcommand_a.cpp subcommand_a.hpp)

examples/subcommands.cpp

@@ -6,6 +6,7 @@ int main(int argc, char **argv) {
     app.add_flag("--random", "Some random flag");
     CLI::App *start = app.add_subcommand("start", "A great subcommand");
     CLI::App *stop = app.add_subcommand("stop", "Do you really want to stop?");
+    app.require_subcommand(); // 1 or more
 
     std::string file;
     start->add_option("-f,--file", file, "File name");
@@ -14,10 +15,12 @@ int main(int argc, char **argv) {
 
     CLI11_PARSE(app, argc, argv);
 
-    std::cout << "Working on file: " << file << ", direct count: " << start->count("--file") << std::endl;
+    std::cout << "Working on --file from start: " << file << std::endl;
-    std::cout << "Working on count: " << s->count() << ", direct count: " << stop->count("--count") << std::endl;
+    std::cout << "Working on --count from stop: " << s->count() << ", direct count: " << stop->count("--count")
+              << std::endl;
+    std::cout << "Count of --random flag: " << app.count("--random") << std::endl;
     for(auto subcom : app.get_subcommands())
-        std::cout << "Subcommand:" << subcom->get_name() << std::endl;
+        std::cout << "Subcommand: " << subcom->get_name() << std::endl;
 
     return 0;
 }