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Automated test for init
This commit is contained in:
Norman Feske
Christian Helmuth
parent
84fddafda7
commit
641fb08b5f
129
repos/os/run/init.run
Normal file
129
repos/os/run/init.run
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@ -0,0 +1,129 @@
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#
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# Build
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#
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set build_components { core init drivers/timer app/dummy test/init }
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build $build_components
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create_boot_directory
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#
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# Generate config
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#
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append config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>
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<start name="report_rom">
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<resource name="RAM" quantum="2M"/>
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<provides> <service name="ROM"/> <service name="Report"/> </provides>
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<config verbose="no">
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<policy label="init -> init.config" report="test-init -> init.config"/>
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<policy label="test-init -> state" report="init -> state"/>
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</config>
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</start>
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<start name="test-init">
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<resource name="RAM" quantum="4M"/>
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<provides> <service name="LOG"/> </provides>
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<config>
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<!-- let init settle, processing the initially invalid config -->
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<sleep ms="250"/>
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<message string="test state reporting"/>
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<init_config version="initial">
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<report init_ram="yes" ids="yes" child_ram="yes" requested="yes"/>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="application">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1G"/>
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<config>
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<log string="started"/>
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</config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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</init_config>
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<expect_log string="[init -> application] started"/>
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<sleep ms="200"/>
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<expect_init_state>
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<attribute name="version" value="initial"/>
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<node name="child">
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<attribute name="name" value="application"/>
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<attribute name="binary" value="dummy"/>
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<node name="requested">
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<node name="session">
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<attribute name="service" value="PD"/>
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<attribute name="label" value="application"/>
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<attribute name="state" value="CAP_HANDED_OUT"/>
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</node>
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</node>
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</node>
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</expect_init_state>
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</config>
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<route>
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<service name="Report"> <child name="report_rom"/> </service>
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<service name="ROM" label="state"> <child name="report_rom"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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<start name="init">
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<binary name="init"/>
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<resource name="RAM" quantum="16M"/>
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<configfile name="init.config"/>
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<route>
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<service name="ROM" label="init.config"> <child name="report_rom"/> </service>
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<service name="Report"> <child name="report_rom"/> </service>
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<service name="LOG"> <child name="test-init"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</config>}
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install_config $config
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#
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# Boot modules
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#
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set boot_modules { core ld.lib.so init timer report_rom test-init dummy }
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build_boot_image $boot_modules
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append qemu_args " -nographic "
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run_genode_until {.*child "test-init" exited with exit value 0.*} 60
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98
repos/os/src/app/dummy/main.cc
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98
repos/os/src/app/dummy/main.cc
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/*
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* \brief Dummy component used for automated component-composition tests
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* \author Norman Feske
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* \date 2017-02-16
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*/
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/*
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* Copyright (C) 2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/heap.h>
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#include <base/registry.h>
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#include <base/component.h>
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#include <base/attached_rom_dataspace.h>
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#include <timer_session/connection.h>
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#include <log_session/connection.h>
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namespace Dummy {
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struct Log_connections;
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struct Main;
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using namespace Genode;
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}
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struct Dummy::Log_connections
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{
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Env &_env;
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Heap _heap { _env.ram(), _env.rm() };
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typedef Registered<Log_connection> Connection;
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Registry<Connection> _connections;
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Log_connections(Env &env, Xml_node node) : _env(env)
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{
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unsigned const count = node.attribute_value("count", 0UL);
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log("going to create ", count, " LOG connections");
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for (unsigned i = 0; i < count; i++)
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new (_heap) Connection(_connections, _env, Session_label { i });
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log("created all LOG connections");
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}
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~Log_connections()
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{
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_connections.for_each([&] (Connection &c) { destroy(_heap, &c); });
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log("destroyed all LOG connections");
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}
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};
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struct Dummy::Main
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{
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Env &_env;
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Constructible<Timer::Connection> _timer;
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Attached_rom_dataspace _config { _env, "config" };
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Constructible<Log_connections> _log_connections;
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Main(Env &env) : _env(env)
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{
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_config.xml().for_each_sub_node([&] (Xml_node node) {
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if (node.type() == "create_log_connections")
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_log_connections.construct(_env, node);
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if (node.type() == "destroy_log_connections")
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_log_connections.destruct();
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if (node.type() == "sleep") {
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if (!_timer.constructed())
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_timer.construct(_env);
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_timer->msleep(node.attribute_value("ms", 100UL));
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}
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if (node.type() == "log")
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log(node.attribute_value("string", String<50>()));
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});
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}
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};
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void Component::construct(Genode::Env &env) { static Dummy::Main main(env); }
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3
repos/os/src/app/dummy/target.mk
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3
repos/os/src/app/dummy/target.mk
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TARGET = dummy
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SRC_CC = main.cc
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LIBS += base
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329
repos/os/src/test/init/main.cc
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329
repos/os/src/test/init/main.cc
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@ -0,0 +1,329 @@
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/*
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* \brief Test for the init component
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* \author Norman Feske
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* \date 2017-02-16
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*/
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/*
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* Copyright (C) 2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <base/heap.h>
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#include <base/component.h>
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#include <base/session_label.h>
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#include <base/attached_rom_dataspace.h>
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#include <timer_session/connection.h>
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#include <log_session/log_session.h>
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#include <root/component.h>
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#include <os/reporter.h>
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#include <base/sleep.h>
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namespace Test {
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struct Log_message_handler;
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class Log_session_component;
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class Log_root;
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struct Main;
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using namespace Genode;
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static bool xml_attribute_matches(Xml_node, Xml_node);
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static bool xml_matches(Xml_node, Xml_node);
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}
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/***************
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** Utilities **
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***************/
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static inline bool Test::xml_attribute_matches(Xml_node condition, Xml_node node)
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{
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typedef String<32> Name;
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typedef String<64> Value;
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Name const name = condition.attribute_value("name", Name());
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Value const value = condition.attribute_value("value", Value());
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return node.attribute_value(name.string(), Value()) == value;
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}
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/**
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* Return true if 'node' has expected content
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*
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* \expected description of the XML content expected in 'node'
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*/
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static inline bool Test::xml_matches(Xml_node expected, Xml_node node)
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{
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bool matches = true;
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expected.for_each_sub_node([&] (Xml_node condition) {
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if (condition.type() == "attribute")
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matches = matches && xml_attribute_matches(condition, node);
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if (condition.type() == "node") {
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typedef String<32> Name;
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Name const name = condition.attribute_value("name", Name());
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bool at_least_one_sub_node_matches = false;
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node.for_each_sub_node(name.string(), [&] (Xml_node sub_node) {
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if (xml_matches(condition, sub_node))
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at_least_one_sub_node_matches = true; });
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matches = matches && at_least_one_sub_node_matches;
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}
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});
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return matches;
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}
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struct Test::Log_message_handler
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{
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typedef String<Log_session::MAX_STRING_LEN> Message;
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enum Result { EXPECTED, UNEXPECTED, IGNORED };
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virtual Result handle_log_message(Message const &message) = 0;
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};
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namespace Genode
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{
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static inline void print(Output &output, Test::Log_message_handler::Result result)
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{
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using Genode::print;
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switch (result) {
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case Test::Log_message_handler::EXPECTED: print(output, "expected"); break;
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case Test::Log_message_handler::UNEXPECTED: print(output, "expected"); break;
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case Test::Log_message_handler::IGNORED: print(output, "ignored"); break;
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}
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}
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}
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class Test::Log_session_component : public Rpc_object<Log_session>
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{
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private:
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Session_label const _label;
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Log_message_handler &_handler;
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public:
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Log_session_component(Session_label const &label, Log_message_handler &handler)
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:
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_label(label), _handler(handler)
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{ }
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size_t write(String const &string)
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{
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/* strip known line delimiter from incoming message */
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unsigned n = 0;
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Genode::String<16> const pattern("\033[0m\n");
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for (char const *s = string.string(); s[n] && pattern != s + n; n++);
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Log_message_handler::Message const
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message("[", _label, "] ", Cstring(string.string(), n));
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Log_message_handler::Result const result =
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_handler.handle_log_message(message);
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log(message, " (", result, ")");
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return strlen(string.string());
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}
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};
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class Test::Log_root : public Root_component<Log_session_component>
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{
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private:
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Log_message_handler &_handler;
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public:
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Log_root(Entrypoint &ep, Allocator &md_alloc, Log_message_handler &handler)
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:
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Root_component(ep, md_alloc), _handler(handler)
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{ }
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Log_session_component *_create_session(const char *args, Affinity const &)
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{
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Session_label const label = label_from_args(args);
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return new (md_alloc()) Log_session_component(label, _handler);
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}
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};
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struct Test::Main : Log_message_handler
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{
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Env &_env;
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Timer::Connection _timer { _env };
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Reporter _init_config_reporter { _env, "config", "init.config" };
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Attached_rom_dataspace _config { _env, "config" };
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void _publish_report(Reporter &reporter, Xml_node node)
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{
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typedef String<64> Version;
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Version const version = node.attribute_value("version", Version());
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Reporter::Xml_generator xml(reporter, [&] () {
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if (version.valid())
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xml.attribute("version", version);
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xml.append(node.content_base(), node.content_size());
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});
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}
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Log_message_handler::Message _expected_log_message;
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unsigned const _num_steps = _config.xml().num_sub_nodes();
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unsigned _curr_step = 0;
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Xml_node _curr_step_xml() const { return _config.xml().sub_node(_curr_step); }
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/*
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* Handling of state reports generated by init
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*/
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Attached_rom_dataspace _init_state { _env, "state" };
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Signal_handler<Main> _init_state_handler {
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_env.ep(), *this, &Main::_handle_init_state };
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void _handle_init_state()
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{
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_init_state.update();
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_execute_curr_step();
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}
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void _advance_step()
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{
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_curr_step++;
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/* exit when reaching the end of the sequence */
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if (_curr_step == _num_steps) {
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_env.parent().exit(0);
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sleep_forever();
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}
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};
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void _execute_curr_step()
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{
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for (;;) {
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Xml_node const step = _curr_step_xml();
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log("step ", _curr_step, " (", step.type(), ")");
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if (step.type() == "expect_log")
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return;
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if (step.type() == "expect_init_state") {
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if (xml_matches(step, _init_state.xml())) {
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_advance_step();
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continue;
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} else {
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warning("init state does not match: ", _init_state.xml());
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warning("expected condition: ", step);
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}
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return;
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}
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if (step.type() == "init_config") {
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_publish_report(_init_config_reporter, step);
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_advance_step();
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continue;
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}
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if (step.type() == "message") {
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typedef String<80> Message;
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Message const message = step.attribute_value("string", Message());
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log("\n--- ", message, " ---");
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_advance_step();
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continue;
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}
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if (step.type() == "nop") {
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_advance_step();
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continue;
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}
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if (step.type() == "sleep") {
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unsigned long const timeout_ms = step.attribute_value("ms", 250UL);
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_timer.trigger_once(timeout_ms*1000);
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return;
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}
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error("unexpected step: ", step);
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throw Exception();
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}
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}
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/**
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* Log_message_handler interface
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*/
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Result handle_log_message(Log_message_handler::Message const &message) override
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{
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typedef Log_message_handler::Message Message;
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if (_curr_step_xml().type() != "expect_log")
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return IGNORED;
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Message const expected = _curr_step_xml().attribute_value("string", Message());
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if (message != expected)
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return IGNORED;
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_advance_step();
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_execute_curr_step();
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return EXPECTED;
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}
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/*
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* Timer handling
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*/
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Signal_handler<Main> _timer_handler { _env.ep(), *this, &Main::_handle_timer };
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void _handle_timer()
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{
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if (_curr_step_xml().type() != "sleep") {
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error("got spurious timeout signal");
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throw Exception();
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}
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_advance_step();
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_execute_curr_step();
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}
|
||||
|
||||
/*
|
||||
* LOG service provided to init
|
||||
*/
|
||||
Sliced_heap _sliced_heap { _env.ram(), _env.rm() };
|
||||
|
||||
Log_root _log_root { _env.ep(), _sliced_heap, *this };
|
||||
|
||||
|
||||
Main(Env &env) : _env(env)
|
||||
{
|
||||
_timer.sigh(_timer_handler);
|
||||
_init_config_reporter.enabled(true);
|
||||
_init_state.sigh(_init_state_handler);
|
||||
_execute_curr_step();
|
||||
|
||||
_env.parent().announce(_env.ep().manage(_log_root));
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
void Component::construct(Genode::Env &env) { static Test::Main main(env); }
|
||||
|
||||
3
repos/os/src/test/init/target.mk
Normal file
3
repos/os/src/test/init/target.mk
Normal file
@ -0,0 +1,3 @@
|
||||
TARGET = test-init
|
||||
SRC_CC = main.cc
|
||||
LIBS += base
|
||||
Loading…
Reference in New Issue
Block a user