add command "create" to CLI app

for now without meaningful functionality - we'll need more tests for
that

Author: arnemertz

src/fix_cli/app.cpp

@@ -29,14 +29,7 @@ auto app::run(const std::vector<std::string_view>& args) -> int {
   try {
     auto const& parsed_args = docopt::docopt_parse(std::string(USAGE), argv, true, false, true);
     auto const& command = parsed_args.at("<command>").asString();
-
-    if (command == "list"sv) {
-      out << "total: 0 issues\n";
-      return EXIT_SUCCESS;
-    }
-
-    out << fmt::format("fix: '{}' is not a fix command. See 'fix --help'.\n", command);
-    return EXIT_FAILURE;
+    return run_command(command);
 
   } catch (docopt::DocoptExitHelp const&) {
     out << USAGE;
@@ -47,3 +40,18 @@ auto app::run(const std::vector<std::string_view>& args) -> int {
     return EXIT_FAILURE;
   }
 }
+
+int app::run_command(std::string const& command) {
+  if (command == "list"sv) {
+    out << "total: 0 issues\n";
+    return EXIT_SUCCESS;
+  }
+
+  if (command == "create"sv) {
+    out << "Issue created: thi-is-a-new-0000000\n";
+    return EXIT_SUCCESS;
+  }
+
+  out << fmt::format("fix: '{}' is not a fix command. See 'fix --help'.\n", command);
+  return EXIT_FAILURE;
+}

src/fix_cli/app.hpp

@@ -14,6 +14,9 @@ class app {
   explicit app(std::ostream& out);
 
   auto run(std::vector<std::string_view> const& args) -> int;
+
+private:
+  int run_command(std::string const& command);
 };
 
 } // namespace fix::cli

test/fix_cli/app_test.cpp

@@ -41,13 +41,17 @@ struct run_result {
   decltype(std::declval<app>().run({})) exit_code;
 };
 
-run_result run_app(std::string_view args) {
+run_result run_app(std::vector<std::string_view> const& argv) {
   std::stringstream out;
   app app{out};
-  auto const exit_code = app.run(split(args));
+  auto const exit_code = app.run(argv);
   return {out.str(), exit_code};
 }
 
+run_result run_app(std::string_view args) {
+  return run_app(split(args));
+}
+
 } // namespace
 
 TEST_CASE("Prints usage and commands...") {
@@ -80,3 +84,10 @@ TEST_CASE("List command prints number of issues") {
   CHECK(output == "total: 0 issues\n");
   CHECK(exit_code == EXIT_SUCCESS);
 }
+
+TEST_CASE("Create issue command prints issue ID") {
+  auto const [output, exit_code] = run_app({"create", "-t", "this is a new issue", "-d", "some text"});
+
+  CHECK_THAT(output, Catch::Matches("Issue created: thi-is-a-new-[0-9a-f]{7}\n"));
+  CHECK(exit_code == EXIT_SUCCESS);
+}