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utils_test_case global
global_body() {
    atf_check -s exit:0 -o save:stdout -e empty kyua help
    grep '^Usage: kyua' stdout || atf_fail 'No usage line printed'
    grep -- '--loglevel' stdout || atf_fail 'Generic options not printed'
    if grep -- '--show' stdout; then
        atf_fail 'One option of the about subcommand appeared in the output'
    fi
    grep 'about  *Shows general' stdout || atf_fail 'Commands not printed'
}


utils_test_case one_command
one_command_body() {
    atf_check -s exit:0 -o save:stdout -e empty kyua help test
    grep '^Usage: kyua' stdout || atf_fail 'No usage line printed'
    grep '^Run tests' stdout || atf_fail 'No description printed'
    grep -- '--loglevel' stdout || atf_fail 'Generic options not printed'
    grep -- '--kyuafile' stdout || atf_fail 'Command options not printed'
    if grep 'about: Shows general' stdout; then
        atf_fail 'Printed table of commands, but should not have done so'
    fi
}


utils_test_case ignore_bad_config
ignore_bad_config_body() {
    echo 'this is an invalid configuration file' >bad-config
    atf_check -s exit:0 -o save:stdout -e empty kyua -c bad-config help
    grep '^Usage: kyua' stdout || atf_fail 'No usage line printed'
    grep -- '--loglevel' stdout || atf_fail 'Generic options not printed'
}


utils_test_case unknown_command
unknown_command_body() {
    cat >stderr <<EOF
Usage error for command help: The command abc does not exist.
Type 'kyua help help' for usage information.
EOF
    atf_check -s exit:3 -o empty -e file:stderr kyua help abc
}


utils_test_case too_many_arguments
too_many_arguments_body() {
    cat >stderr <<EOF
Usage error for command help: Too many arguments.
Type 'kyua help help' for usage information.
EOF
    atf_check -s exit:3 -o empty -e file:stderr kyua help about cde
}


atf_init_test_cases() {
    atf_add_test_case global
    atf_add_test_case one_command

    atf_add_test_case ignore_bad_config
    atf_add_test_case unknown_command
    atf_add_test_case too_many_arguments
}