Major refactoring: changing Network inheritance from CellularNetwork to new class CellularContext

UNITTESTS/CMakeLists.txt

@@ -117,6 +117,7 @@ set(unittest-includes-base
   "${PROJECT_SOURCE_DIR}/../features/filesystem/littlefs/littlefs"
   "${PROJECT_SOURCE_DIR}/../features/cellular/framework/API"
   "${PROJECT_SOURCE_DIR}/../features/cellular/framework/AT"
+  "${PROJECT_SOURCE_DIR}/../features/cellular/framework/device"
   "${PROJECT_SOURCE_DIR}/../features/cellular/framework"
   "${PROJECT_SOURCE_DIR}/../features/cellular/framework/common"
   "${PROJECT_SOURCE_DIR}/../features/lorawan"

UNITTESTS/features/cellular/framework/AT/at_cellularcontext/at_cellularcontexttest.cpp

@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2018, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "gtest/gtest.h"
+#include <string.h>
+#include "AT_CellularContext.h"
+#include "EventQueue.h"
+#include "ATHandler.h"
+#include "AT_CellularDevice.h"
+#include "FileHandle_stub.h"
+#include "CellularLog.h"
+#include "ATHandler_stub.h"
+#include "AT_CellularStack.h"
+
+using namespace mbed;
+using namespace events;
+
+// AStyle ignored as the definition is not clear due to preprocessor usage
+// *INDENT-OFF*
+class TestAT_CellularContext : public testing::Test {
+protected:
+
+    void SetUp()
+    {
+        ATHandler_stub::int_count = kRead_int_table_size;
+        ATHandler_stub::read_string_index = kRead_string_table_size;
+        ATHandler_stub::resp_stop_success_count = kResp_stop_count_default;
+        ATHandler_stub::nsapi_error_value = NSAPI_ERROR_OK;
+        ATHandler_stub::int_value = -1;
+    }
+
+    void TearDown()
+    {
+    }
+};
+// *INDENT-ON*
+class my_stack : public AT_CellularStack {
+public:
+    my_stack(ATHandler &atHandler) : AT_CellularStack(atHandler, 1, IPV4_STACK) {}
+    virtual int get_max_socket_count()
+    {
+        return 1;
+    }
+    virtual int get_max_packet_size()
+    {
+        return 200;
+    }
+    virtual bool is_protocol_supported(nsapi_protocol_t protocol)
+    {
+        return true;
+    }
+    virtual nsapi_error_t socket_close_impl(int sock_id)
+    {
+        return NSAPI_ERROR_OK;
+    }
+    virtual nsapi_error_t create_socket_impl(CellularSocket *socket)
+    {
+        return NSAPI_ERROR_OK;
+    }
+    virtual nsapi_size_or_error_t socket_sendto_impl(CellularSocket *socket, const SocketAddress &address,
+                                                     const void *data, nsapi_size_t size)
+    {
+        return 100;
+    }
+    virtual nsapi_size_or_error_t socket_recvfrom_impl(CellularSocket *socket, SocketAddress *address,
+                                                       void *buffer, nsapi_size_t size)
+    {
+        return 100;
+    }
+};
+
+class my_AT_CTX : public AT_CellularContext {
+public:
+    my_AT_CTX(ATHandler &at, CellularDevice *device, const char *apn = MBED_CONF_NSAPI_DEFAULT_CELLULAR_APN) :
+        AT_CellularContext(at, device, apn) {}
+    virtual ~my_AT_CTX() {}
+};
+
+class my_AT_CTXIPV6 : public AT_CellularContext {
+public:
+    my_AT_CTXIPV6(ATHandler &at, CellularDevice *device, const char *apn = MBED_CONF_NSAPI_DEFAULT_CELLULAR_APN) :
+        AT_CellularContext(at, device, apn) {}
+    virtual ~my_AT_CTXIPV6() {}
+};
+
+static int network_cb_count;
+static void network_cb(nsapi_event_t ev, intptr_t intptr)
+{
+    network_cb_count++;
+}
+
+TEST_F(TestAT_CellularContext, Create)
+{
+    EventQueue que;
+    FileHandle_stub fh1;
+    ATHandler at(&fh1, que, 0, ",");
+
+    AT_CellularContext *ctx = new AT_CellularContext(at, NULL);
+    EXPECT_TRUE(ctx != NULL);
+    delete ctx;
+}

UNITTESTS/features/cellular/framework/AT/at_cellularcontext/unittest.cmake

@@ -0,0 +1,35 @@
+
+####################
+# UNIT TESTS
+####################
+
+# Add test specific include paths
+set(unittest-includes ${unittest-includes}
+  features/cellular/framework/common/util
+  ../features/cellular/framework/common
+  ../features/cellular/framework/AT
+  ../features/cellular/framework/device
+)
+
+# Source files
+set(unittest-sources
+  ../features/cellular/framework/AT/AT_CellularContext.cpp
+)
+
+# Test files
+set(unittest-test-sources
+  features/cellular/framework/AT/at_cellularcontext/at_cellularcontexttest.cpp
+  stubs/ATHandler_stub.cpp
+  stubs/AT_CellularBase_stub.cpp
+  stubs/EventQueue_stub.cpp
+  stubs/FileHandle_stub.cpp
+  stubs/NetworkInterface_stub.cpp
+  stubs/NetworkStack_stub.cpp
+  stubs/us_ticker_stub.cpp
+  stubs/mbed_assert_stub.c
+  stubs/CellularDevice_stub.cpp
+  stubs/CellularStateMachine_stub.cpp
+  stubs/Semaphore_stub.cpp
+  stubs/CellularUtil_stub.cpp
+  stubs/equeue_stub.c
+)

UNITTESTS/features/cellular/framework/AT/at_cellulardevice/at_cellulardevicetest.cpp

@@ -37,22 +37,21 @@ class TestAT_CellularDevice : public testing::Test {
 
 TEST_F(TestAT_CellularDevice, Create)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
+    FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    CellularDevice *dev2 = new AT_CellularDevice(que);
+    CellularDevice *dev2 = new AT_CellularDevice(&fh1);
 
     EXPECT_TRUE(dev2 != NULL);
     delete dev2;
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_get_at_handler)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
     FileHandle_stub fh2;
     FileHandle_stub fh3;
+    AT_CellularDevice dev(&fh1);
 
     EXPECT_TRUE(dev.open_network(&fh1));
     EXPECT_TRUE(dev.open_sms(&fh2));
@@ -66,59 +65,73 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_get_at_handler)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_open_network)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    EXPECT_TRUE(!dev.open_network(NULL));
-    EXPECT_TRUE(dev.open_network(&fh1));
+    CellularNetwork *nw = dev.open_network(NULL);
+    CellularNetwork *nw1 = dev.open_network(&fh1);
+
+    EXPECT_TRUE(nw);
+    EXPECT_TRUE(nw1);
+    EXPECT_TRUE(nw1 == nw);
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_open_sms)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    EXPECT_TRUE(!dev.open_sms(NULL));
-    EXPECT_TRUE(dev.open_sms(&fh1));
+    CellularSMS *sms = dev.open_sms(NULL);
+    CellularSMS *sms1 = dev.open_sms(&fh1);
+
+    EXPECT_TRUE(sms);
+    EXPECT_TRUE(sms1);
+    EXPECT_TRUE(sms1 == sms);
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_open_power)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    EXPECT_TRUE(!dev.open_power(NULL));
-    EXPECT_TRUE(dev.open_power(&fh1));
+    CellularPower *pwr = dev.open_power(NULL);
+    CellularPower *pwr1 = dev.open_power(&fh1);
+
+    EXPECT_TRUE(pwr);
+    EXPECT_TRUE(pwr1);
+    EXPECT_TRUE(pwr1 == pwr);
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_open_sim)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    EXPECT_TRUE(! dev.open_sim(NULL));
-    EXPECT_TRUE(dev.open_sim(&fh1));
+    CellularSIM *sim =  dev.open_sim(NULL);
+    CellularSIM *sim1 =  dev.open_sim(&fh1);
+
+    EXPECT_TRUE(sim);
+    EXPECT_TRUE(sim1);
+    EXPECT_TRUE(sim1 == sim);
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_open_information)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
 
-    EXPECT_TRUE(!dev.open_information(NULL));
-    EXPECT_TRUE(dev.open_information(&fh1));
+    CellularInformation *info = dev.open_information(NULL);
+    CellularInformation *info1 = dev.open_information(&fh1);
+
+    EXPECT_TRUE(info);
+    EXPECT_TRUE(info1);
+    EXPECT_TRUE(info1 == info);
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_network)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::ref_count = 0;
 
     EXPECT_TRUE(dev.open_network(&fh1));
@@ -131,9 +144,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_network)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_sms)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::ref_count = 0;
 
     EXPECT_TRUE(dev.open_sms(&fh1));
@@ -146,9 +158,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_sms)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_power)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::ref_count = 0;
 
     EXPECT_TRUE(dev.open_power(&fh1));
@@ -161,9 +172,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_power)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_sim)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::ref_count = 0;
     int ana = 0;
 
@@ -182,9 +192,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_sim)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_information)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::int_value = 0;
 
     EXPECT_TRUE(dev.open_information(&fh1));
@@ -193,6 +202,7 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_information)
     AT_CellularBase_stub::handler_value = NULL;
     dev.close_information();
 
+    EventQueue que;
     ATHandler_stub::fh_value = &fh1;
     ATHandler at(&fh1, que, 0, ",");
     AT_CellularBase_stub::handler_value = &at;
@@ -208,9 +218,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_close_information)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_set_timeout)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::timeout = 0;
     ATHandler_stub::default_timeout = false;
 
@@ -231,9 +240,8 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_set_timeout)
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_modem_debug_on)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
     FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     ATHandler_stub::debug_on = false;
 
     // no interfaces open so debug toggling should not affect
@@ -249,31 +257,16 @@ TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_modem_debug_on)
     dev.close_sim();
 }
 
-TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_get_stack)
-{
-    EventQueue que;
-    AT_CellularDevice dev(que);
-    FileHandle_stub fh1;
-
-    NetworkStack *stack = dev.get_stack();
-    EXPECT_TRUE(stack == NULL);
-
-    EXPECT_TRUE(dev.open_network(&fh1));
-
-    stack = dev.get_stack();
-    EXPECT_TRUE(stack == NULL); // Not in PPP so also null but this is got from the network class
-}
-
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_get_send_delay)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
+    FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
     EXPECT_TRUE(0 == dev.get_send_delay());
 }
 
 TEST_F(TestAT_CellularDevice, test_AT_CellularDevice_init_module)
 {
-    EventQueue que;
-    AT_CellularDevice dev(que);
-    EXPECT_TRUE(NSAPI_ERROR_OK == dev.init_module(NULL));
+    FileHandle_stub fh1;
+    AT_CellularDevice dev(&fh1);
+    EXPECT_TRUE(NSAPI_ERROR_OK == dev.init_module());
 }