tests/qtest/qos-test.c

7  * modify it under the terms of the GNU Lesser General Public
8  * License version 2.1 as published by the Free Software Foundation.
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * You should have received a copy of the GNU Lesser General Public
41  * and then executes the QMP protocol asking for the list of devices
44  * for each of these items, it looks up the corresponding qgraph node,
45  * setting it as available. The list currently returns all devices that
94     /* compares the current command line with the  in restart_qemu_or_continue()
95      * one previously executed: if they are the same,  in restart_qemu_or_continue()
98      * the new command line  in restart_qemu_or_continue()
105     } else { /* if cmd line is the same, reset the guest */  in restart_qemu_or_continue()
117 /* The argument to run_one_test, which is the test function that is registered
118  * with GTest, is a vector of strings.  The first item is the initial command
119  * line (before it is modified by the test's "before" function), the remaining
120  * items are node names forming the path to the test node.
136  * walks the path invoking all constructors and
137  * passing the corresponding parameter in order to
138  * continue the objects allocation.
139  * Once the test is reached, its function is executed.
141  * Since the machine and QEDGE_CONSUMED_BY nodes allocate
142  * memory in the constructor, g_test_queue_destroy is used so
143  * that after execution they can be safely free'd.  The test's
147  * char *, where arg[0] is a pointer to the command line
149  * the test, and the remaining elements represent the actual objects
152  * The order of execution is the following:
153  * 1) @before test function as defined in the given QOSGraphTestOptions
156  *    start the hardware (*_device_enable functions)
203  * path_str will be only used to build the test name, and won't need the
206  * path_vec is used to allocate all constructors of the path nodes.
209  * Position 0 is special, initially contains just the <machine> name of
210  * the node, (ex for "x86_64/pc" it will be "pc"), used to build the test
211  * path (see below). After it will contain the command line used to start
214  * Note that the machine node name must be with format <arch>/<machine>
215  * (ex "x86_64/pc"), because it will identify the node "x86_64/pc"
218  * initially contains the <machine> at position 0 ("pc"),
219  * and the node name at position 1 (<arch>/<machine>)
220  * ("x86_64/pc"), followed by the rest of the nodes.
227     /* etype set to QEDGE_CONSUMED_BY so that machine can add to the command line */  in walk_path()
289      * The path must not have the <arch>, qtest_add_data_func adds it.  in walk_path()
294      * and add the command line at position 0.  in walk_path()
317  * main(): heart of the qgraph framework.
319  * - Initializes the glib test framework
320  * - Creates the graph by invoking the various _init constructors
321  * - Starts QEMU to mark the available devices
322  * - Walks the graph, and each path is added to
323  *   the glib test framework (walk_path)
324  * - Runs the tests, calling allocate_object() and allocating the