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components/api/lib/cAT/tests/test_read.c

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+/*
+MIT License
+
+Copyright (c) 2019 Marcin Borowicz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <assert.h>
+
+#include "../src/cat.h"
+
+static char run_results[256];
+static char read_results[256];
+static char ack_results[256];
+
+static char const *input_text;
+static size_t input_index;
+
+static int a_run(const struct cat_command *cmd)
+{
+        strcat(run_results, " A_");
+        strcat(run_results, cmd->name);
+        return 0;
+}
+
+static int a_read(const struct cat_command *cmd, uint8_t *data, size_t *data_size, const size_t max_data_size)
+{
+        strcat(read_results, " A:");
+        strcat(read_results, cmd->name);
+
+        snprintf(data, max_data_size, "%s=A-val", cmd->name);
+        *data_size = strlen(data);
+
+        return 0;
+}
+
+static int ap_read(const struct cat_command *cmd, uint8_t *data, size_t *data_size, const size_t max_data_size)
+{
+        strcat(read_results, " AP:");
+        strcat(read_results, cmd->name);
+
+        *data_size = 0;
+
+        return 0;
+}
+
+static int test_read(const struct cat_command *cmd, uint8_t *data, size_t *data_size, const size_t max_data_size)
+{
+        strcat(read_results, " +TEST:");
+        strcat(read_results, cmd->name);
+
+        return -1;
+}
+
+static struct cat_command cmds[] = {
+        {
+                .name = "A",
+                .read = a_read,
+                .run = a_run
+        },
+        {
+                .name = "AP",
+                .read = ap_read
+        },
+        {
+                .name = "+TEST",
+                .read = test_read
+        },
+        {
+                .name = "+EMPTY"
+        }
+};
+
+static char buf[128];
+
+static struct cat_command_group cmd_group = {
+        .cmd = cmds,
+        .cmd_num = sizeof(cmds) / sizeof(cmds[0]),
+};
+
+static struct cat_command_group *cmd_desc[] = {
+        &cmd_group
+};
+
+static struct cat_descriptor desc = {
+        .cmd_group = cmd_desc,
+        .cmd_group_num = sizeof(cmd_desc) / sizeof(cmd_desc[0]),
+
+        .buf = buf,
+        .buf_size = sizeof(buf)
+};
+
+static int write_char(char ch)
+{
+        char str[2];
+        str[0] = ch;
+        str[1] = 0;
+        strcat(ack_results, str);
+        return 1;
+}
+
+static int read_char(char *ch)
+{
+        if (input_index >= strlen(input_text))
+                return 0;
+
+        *ch = input_text[input_index];
+        input_index++;
+        return 1;
+}
+
+static struct cat_io_interface iface = {
+        .read = read_char,
+        .write = write_char
+};
+
+static void prepare_input(const char *text)
+{
+        input_text = text;
+        input_index = 0;
+
+        memset(run_results, 0, sizeof(run_results));
+        memset(ack_results, 0, sizeof(ack_results));
+        memset(read_results, 0, sizeof(read_results));
+}
+
+static const char test_case_1[] = "\nAT\r\nAT+\nAT+?\nATA?\r\nATAP\nATAP?\nATAPA?\nAT+TEST?\nAT+te?\nAT+e?\nAT+empTY?\r\nATA\r\n";
+
+int main(int argc, char **argv)
+{
+	struct cat_object at;
+
+	cat_init(&at, &desc, &iface, NULL);
+
+        prepare_input(test_case_1);
+        while (cat_service(&at) != 0) {};
+
+        assert(strcmp(ack_results, "\r\nOK\r\n\nERROR\n\nERROR\n\r\nA=A-val\r\n\r\nOK\r\n\nERROR\n\nAP=\n\nOK\n\nERROR\n\nERROR\n\nERROR\n\nERROR\n\r\nERROR\r\n\r\nOK\r\n") == 0);
+        assert(strcmp(run_results, " A_A") == 0);
+        assert(strcmp(read_results, " A:A AP:AP +TEST:+TEST +TEST:+TEST") == 0);
+
+	return 0;
+}