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tests/test_devicestate: Add additional tests for the device state API
This patch adds more tests that exercise the device state API. This includes: * Tests that cover adding a device state provider, as well as deleting a device state provider. This also verifies that you cannot add an already added device state provider, and cannot delete an already deleted device state provider. * A test that covers changing device state and receiving said updates from a device state subscriber. This also covers hitting both the device state cache as well as a custom device state provider. * A test that covers converting device state to channel state and device state values to a string representation and back. * A test that covers obtaining device state from an active channel and a channel driver that provides its own device state. Change-Id: I2adca67ffb405cd8625a5d6df1e3f9b3d945c08d
This commit is contained in:
Matt Jordan
@@ -40,9 +40,21 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/devicestate.h"
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#include "asterisk/pbx.h"
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#include "asterisk/stasis_message_router.h"
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#include "asterisk/vector.h"
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#define UNIT_TEST_DEVICE_IDENTIFIER "unit_test_device_identifier"
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#define DEVICE_STATE_CHANNEL_TYPE "TestDeviceState"
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#define DEVSTATE_PROVIDER "TestDevState"
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#define DEVSTATE_PROVIDER_LC "testdevstate"
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#define DEVSTATE_PROVIDER_LEN 12
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/*! \brief Used to assign an increasing integer to channel name */
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static unsigned int chan_idx;
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/* These arrays are the result of the 'core show device2extenstate' output. */
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static int combined_results[] = {
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AST_DEVICE_UNKNOWN,
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@@ -212,6 +224,93 @@ static int exten_results[] = {
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AST_EXTENSION_ONHOLD,
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};
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/*! \brief Mutex for \c update_cond */
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AST_MUTEX_DEFINE_STATIC(update_lock);
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/*! \brief Condition wait variable for device state updates */
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static ast_cond_t update_cond;
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/*! \brief Mutext for \c channel_cb_cond */
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AST_MUTEX_DEFINE_STATIC(channel_cb_lock);
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/*! \brief Condition wait variable for channel tech device state cb */
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static ast_cond_t channel_cb_cond;
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/*! \brief The resulting device state updates caused by some function call */
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static AST_VECTOR(, enum ast_device_state) result_states;
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/*! \brief The current device state for our device state provider */
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static enum ast_device_state current_device_state;
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/*! \brief Clear out all recorded device states in \ref result_states */
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static void clear_result_states(void)
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{
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ast_mutex_lock(&update_lock);
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while (AST_VECTOR_SIZE(&result_states) > 0) {
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AST_VECTOR_REMOVE_UNORDERED(&result_states, 0);
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}
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ast_mutex_unlock(&update_lock);
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}
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/*! \brief Stasis subscription callback for device state updates */
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static void device_state_cb(void *data, struct stasis_subscription *sub, struct stasis_message *message)
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{
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struct ast_device_state_message *payload;
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enum ast_device_state state;
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const char *device;
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if (stasis_message_type(message) != ast_device_state_message_type()) {
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return;
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}
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payload = stasis_message_data(message);
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state = payload->state;
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device = payload->device;
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if (ast_strlen_zero(device)) {
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return;
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}
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/* Ignore aggregate events */
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if (!payload->eid) {
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return;
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}
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if (strncasecmp(device, DEVSTATE_PROVIDER, DEVSTATE_PROVIDER_LEN)) {
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return;
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}
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ast_mutex_lock(&update_lock);
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AST_VECTOR_APPEND(&result_states, state);
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ast_cond_signal(&update_cond);
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ast_mutex_unlock(&update_lock);
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}
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static enum ast_device_state devstate_prov_cb(const char *data)
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{
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return current_device_state;
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}
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static int wait_for_device_state_updates(struct ast_test *test, int expected_updates)
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{
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int error;
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struct timeval wait_now = ast_tvnow();
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struct timespec wait_time = { .tv_sec = wait_now.tv_sec + 1, .tv_nsec = wait_now.tv_usec * 1000 };
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ast_mutex_lock(&update_lock);
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while (AST_VECTOR_SIZE(&result_states) != expected_updates) {
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error = ast_cond_timedwait(&update_cond, &update_lock, &wait_time);
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if (error == ETIMEDOUT) {
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ast_test_status_update(test, "Test timed out while waiting for %d expected updates\n", expected_updates);
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break;
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}
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}
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ast_mutex_unlock(&update_lock);
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ast_test_status_update(test, "Received %zu of %d updates\n", AST_VECTOR_SIZE(&result_states), expected_updates);
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return !(AST_VECTOR_SIZE(&result_states) == expected_updates);
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}
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AST_TEST_DEFINE(device2extenstate_test)
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{
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int res = AST_TEST_PASS;
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@@ -522,17 +621,350 @@ AST_TEST_DEFINE(device_state_aggregation_test)
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return AST_TEST_PASS;
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}
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AST_TEST_DEFINE(devstate_prov_add)
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{
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->category = "/main/devicestate/";
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info->summary = "Test adding a device state provider";
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info->description =
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"Test that a custom device state provider can be added, and that\n"
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"it cannot be added if already added.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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ast_test_validate(test, ast_devstate_prov_add(DEVSTATE_PROVIDER, devstate_prov_cb) == 0);
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ast_test_validate(test, ast_devstate_prov_add(DEVSTATE_PROVIDER, devstate_prov_cb) != 0);
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ast_test_validate(test, ast_devstate_prov_del(DEVSTATE_PROVIDER) == 0);
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return AST_TEST_PASS;
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}
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AST_TEST_DEFINE(devstate_prov_del)
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{
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->category = "/main/devicestate/";
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info->summary = "Test removing a device state provider";
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info->description =
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"Test that a custom device state provider can be removed, and that\n"
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"it cannot be removed if already removed.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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ast_test_validate(test, ast_devstate_prov_add(DEVSTATE_PROVIDER, devstate_prov_cb) == 0);
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ast_test_validate(test, ast_devstate_prov_del(DEVSTATE_PROVIDER) == 0);
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ast_test_validate(test, ast_devstate_prov_del(DEVSTATE_PROVIDER) != 0);
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return AST_TEST_PASS;
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}
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AST_TEST_DEFINE(devstate_changed)
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{
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RAII_VAR(struct stasis_subscription *, sub, NULL, ao2_cleanup);
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int i;
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enum ast_device_state expected_results[] = {
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AST_DEVICE_NOT_INUSE,
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AST_DEVICE_INUSE,
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AST_DEVICE_BUSY,
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AST_DEVICE_INVALID,
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AST_DEVICE_UNAVAILABLE,
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AST_DEVICE_RINGING,
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AST_DEVICE_RINGINUSE,
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AST_DEVICE_ONHOLD,
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};
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->category = "/main/devicestate/";
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info->summary = "Test updates coming from a device state provider";
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info->description =
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"This unit test checks that a custom device state provider can\n"
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"have updates published for it. This includes both cacheable and\n"
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"non-cacheable events. In the case of non-cacheable events, the\n"
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"device state provider's callback function is queried for the\n"
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"device state when AST_DEVICE_UNKNOWN is published.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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ast_test_validate(test, (sub = stasis_subscribe(ast_device_state_topic_all(), device_state_cb, NULL)) != NULL);
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clear_result_states();
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current_device_state = AST_DEVICE_BUSY;
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ast_test_validate(test, ast_devstate_prov_add(DEVSTATE_PROVIDER, devstate_prov_cb) == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_NOT_INUSE, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_INUSE, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_BUSY, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_INVALID, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_UNAVAILABLE, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_RINGING, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_RINGINUSE, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_ONHOLD, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, wait_for_device_state_updates(test, 8) == 0);
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for (i = 0; i < AST_VECTOR_SIZE(&result_states); i++) {
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ast_test_status_update(test, "Testing update %d: actual is %d; expected is %d\n",
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i,
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AST_VECTOR_GET(&result_states, i),
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expected_results[i]);
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ast_test_validate(test, AST_VECTOR_GET(&result_states, i) == expected_results[i]);
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}
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sub = stasis_unsubscribe_and_join(sub);
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clear_result_states();
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/*
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* Since an update of AST_DEVICE_UNKNOWN will cause a different thread to retrieve
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* the update from the custom device state provider, check it separately from the
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* updates above.
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*/
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ast_test_validate(test, (sub = stasis_subscribe(ast_device_state_topic_all(), device_state_cb, NULL)) != NULL);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, AST_DEVSTATE_NOT_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, wait_for_device_state_updates(test, 1) == 0);
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ast_test_validate(test, AST_VECTOR_GET(&result_states, 0) == AST_DEVICE_BUSY);
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ast_test_validate(test, ast_device_state(DEVSTATE_PROVIDER ":foo") == AST_DEVICE_BUSY);
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ast_test_validate(test, ast_device_state(DEVSTATE_PROVIDER_LC ":foo") == AST_DEVICE_BUSY);
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sub = stasis_unsubscribe_and_join(sub);
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clear_result_states();
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ast_test_validate(test, (sub = stasis_subscribe(ast_device_state_topic_all(), device_state_cb, NULL)) != NULL);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_NOT_INUSE, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_INUSE, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_BUSY, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_INVALID, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_UNAVAILABLE, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_RINGING, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_RINGINUSE, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, ast_devstate_changed_literal(AST_DEVICE_ONHOLD, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo") == 0);
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ast_test_validate(test, wait_for_device_state_updates(test, 8) == 0);
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for (i = 0; i < AST_VECTOR_SIZE(&result_states); i++) {
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ast_test_status_update(test, "Testing update %d: actual is %d; expected is %d\n",
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i,
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AST_VECTOR_GET(&result_states, i),
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expected_results[i]);
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ast_test_validate(test, AST_VECTOR_GET(&result_states, i) == expected_results[i]);
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}
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/*
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* Check the last value in the cache. Note that this should not hit
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* the value of current_device_state.
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*/
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ast_test_validate(test, ast_device_state(DEVSTATE_PROVIDER ":foo") == AST_DEVICE_ONHOLD);
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/*
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* This will miss on the cache, as it is case sensitive. It should go
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* hit our device state callback however.
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*/
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ast_test_validate(test, ast_device_state(DEVSTATE_PROVIDER_LC ":foo") == AST_DEVICE_BUSY);
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/* Generally, this test can't be run twice in a row, as you can't remove an
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* item from the cache. Hence, subsequent runs won't hit the device state provider,
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* and will merely return the cached value.
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*
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* To avoid annoying errors, set the last state to BUSY here.
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*/
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ast_devstate_changed_literal(AST_DEVICE_BUSY, AST_DEVSTATE_CACHABLE, DEVSTATE_PROVIDER ":foo");
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ast_test_validate(test, ast_devstate_prov_del(DEVSTATE_PROVIDER) == 0);
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sub = stasis_unsubscribe_and_join(sub);
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clear_result_states();
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return AST_TEST_PASS;
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}
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AST_TEST_DEFINE(devstate_conversions)
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{
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->category = "/main/devicestate/";
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info->summary = "Test ast_device_state conversions";
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info->description =
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"Test various transformations of ast_device_state values.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_UNKNOWN), "UNKNOWN"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_NOT_INUSE), "NOT_INUSE"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_INUSE), "INUSE"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_BUSY), "BUSY"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_INVALID), "INVALID"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_UNAVAILABLE), "UNAVAILABLE"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_RINGING), "RINGING"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_RINGINUSE), "RINGINUSE"));
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ast_test_validate(test, !strcmp(ast_devstate_str(AST_DEVICE_ONHOLD), "ONHOLD"));
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ast_test_validate(test, ast_devstate_val("UNKNOWN") == AST_DEVICE_UNKNOWN);
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ast_test_validate(test, ast_devstate_val("NOT_INUSE") == AST_DEVICE_NOT_INUSE);
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ast_test_validate(test, ast_devstate_val("INUSE") == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_devstate_val("BUSY") == AST_DEVICE_BUSY);
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ast_test_validate(test, ast_devstate_val("INVALID") == AST_DEVICE_INVALID);
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ast_test_validate(test, ast_devstate_val("UNAVAILABLE") == AST_DEVICE_UNAVAILABLE);
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ast_test_validate(test, ast_devstate_val("RINGING") == AST_DEVICE_RINGING);
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ast_test_validate(test, ast_devstate_val("RINGINUSE") == AST_DEVICE_RINGINUSE);
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ast_test_validate(test, ast_devstate_val("ONHOLD") == AST_DEVICE_ONHOLD);
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ast_test_validate(test, ast_devstate_val("onhold") == AST_DEVICE_ONHOLD);
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ast_test_validate(test, ast_devstate_val("FOO") == AST_DEVICE_UNKNOWN);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_DOWN) == AST_DEVICE_NOT_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_RESERVED) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_OFFHOOK) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_DIALING) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_RING) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_RINGING) == AST_DEVICE_RINGING);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_UP) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_BUSY) == AST_DEVICE_BUSY);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_DIALING_OFFHOOK) == AST_DEVICE_INUSE);
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ast_test_validate(test, ast_state_chan2dev(AST_STATE_PRERING) == AST_DEVICE_RINGING);
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return AST_TEST_PASS;
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}
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/*! \brief Whether or not the channel device state callback was called */
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static int chan_callback_called;
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/*! \brief Wait until the test channel driver's devicestate callback is called */
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static int wait_for_channel_callback(struct ast_test *test)
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{
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int error;
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struct timeval wait_now = ast_tvnow();
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struct timespec wait_time = { .tv_sec = wait_now.tv_sec + 1, .tv_nsec = wait_now.tv_usec * 1000 };
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ast_mutex_lock(&channel_cb_lock);
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while (!chan_callback_called) {
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error = ast_cond_timedwait(&channel_cb_cond, &channel_cb_lock, &wait_time);
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if (error == ETIMEDOUT) {
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ast_test_status_update(test, "Test timed out while waiting channel callback\n");
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break;
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}
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}
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ast_mutex_unlock(&channel_cb_lock);
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return chan_callback_called;
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}
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static void safe_hangup(void *object)
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{
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struct ast_channel *chan = object;
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if (!chan) {
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return;
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}
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ast_hangup(chan);
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}
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AST_TEST_DEFINE(devstate_channels)
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{
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RAII_VAR(struct ast_channel *, chan, NULL, safe_hangup);
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switch (cmd) {
|
||||
case TEST_INIT:
|
||||
info->name = __func__;
|
||||
info->category = "/main/devicestate/";
|
||||
info->summary = "Test deriving device state from a channel's state";
|
||||
info->description =
|
||||
"Test querying a channel's state to derive a device state.";
|
||||
return AST_TEST_NOT_RUN;
|
||||
case TEST_EXECUTE:
|
||||
break;
|
||||
}
|
||||
|
||||
chan_callback_called = 0;
|
||||
|
||||
chan = ast_channel_alloc(0, AST_STATE_RINGING, "", "", "", "s", "default",
|
||||
NULL, NULL, 0, DEVICE_STATE_CHANNEL_TYPE "/foo-%08x",
|
||||
(unsigned) ast_atomic_fetchadd_int((int *) &chan_idx, +1));
|
||||
ast_test_validate(test, chan != NULL);
|
||||
|
||||
ast_test_validate(test, ast_parse_device_state(DEVICE_STATE_CHANNEL_TYPE "/foo") == AST_DEVICE_RINGING);
|
||||
ast_test_validate(test, ast_parse_device_state(DEVICE_STATE_CHANNEL_TYPE "/bad") == AST_DEVICE_UNKNOWN);
|
||||
|
||||
ast_setstate(chan, AST_STATE_UP);
|
||||
|
||||
ast_test_validate(test, wait_for_channel_callback(test) == 1);
|
||||
ast_test_validate(test, ast_parse_device_state(DEVICE_STATE_CHANNEL_TYPE "/foo") == AST_DEVICE_INUSE);
|
||||
|
||||
chan_callback_called = 0;
|
||||
|
||||
return AST_TEST_PASS;
|
||||
}
|
||||
|
||||
static int chan_test_devicestate_cb(const char *device_number)
|
||||
{
|
||||
/* Simply record that we were called when expected */
|
||||
chan_callback_called = 1;
|
||||
|
||||
ast_mutex_lock(&channel_cb_lock);
|
||||
ast_cond_signal(&channel_cb_cond);
|
||||
ast_mutex_unlock(&channel_cb_lock);
|
||||
|
||||
return AST_DEVICE_INUSE;
|
||||
}
|
||||
|
||||
struct ast_channel_tech chan_test_devicestate = {
|
||||
.type = DEVICE_STATE_CHANNEL_TYPE,
|
||||
.description = "Device State Unit Test Channel Driver",
|
||||
.devicestate = chan_test_devicestate_cb,
|
||||
};
|
||||
|
||||
static int unload_module(void)
|
||||
{
|
||||
AST_VECTOR_FREE(&result_states);
|
||||
ast_channel_unregister(&chan_test_devicestate);
|
||||
|
||||
AST_TEST_UNREGISTER(device2extenstate_test);
|
||||
AST_TEST_UNREGISTER(device_state_aggregation_test);
|
||||
|
||||
AST_TEST_UNREGISTER(devstate_prov_add);
|
||||
AST_TEST_UNREGISTER(devstate_prov_del);
|
||||
|
||||
AST_TEST_UNREGISTER(devstate_changed);
|
||||
AST_TEST_UNREGISTER(devstate_conversions);
|
||||
|
||||
AST_TEST_UNREGISTER(devstate_channels);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int load_module(void)
|
||||
{
|
||||
if (AST_VECTOR_INIT(&result_states, 8) == -1) {
|
||||
return AST_MODULE_LOAD_DECLINE;
|
||||
}
|
||||
|
||||
if (ast_channel_register(&chan_test_devicestate)) {
|
||||
AST_VECTOR_FREE(&result_states);
|
||||
return AST_MODULE_LOAD_DECLINE;
|
||||
}
|
||||
|
||||
AST_TEST_REGISTER(device_state_aggregation_test);
|
||||
AST_TEST_REGISTER(device2extenstate_test);
|
||||
|
||||
AST_TEST_REGISTER(devstate_prov_add);
|
||||
AST_TEST_REGISTER(devstate_prov_del);
|
||||
|
||||
AST_TEST_REGISTER(devstate_changed);
|
||||
AST_TEST_REGISTER(devstate_conversions);
|
||||
|
||||
AST_TEST_REGISTER(devstate_channels);
|
||||
|
||||
return AST_MODULE_LOAD_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user