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/*
 * blogc: A blog compiler.
 * Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
 *
 * This program can be distributed under the terms of the BSD License.
 * See the file COPYING.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */

#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <string.h>
#include "../src/source-parser.h"
#include "../src/error.h"
#include "../src/utils/utils.h"


static void
test_source_parse(void **state)
{
    const char *a =
        "VAR1: asd asd\n"
        "VAR2: 123chunda\n"
        "----------\n"
        "# This is a test\n"
        "\n"
        "bola\n";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(err);
    assert_non_null(source);
    assert_int_equal(b_trie_size(source), 4);
    assert_string_equal(b_trie_lookup(source, "VAR1"), "asd asd");
    assert_string_equal(b_trie_lookup(source, "VAR2"), "123chunda");
    assert_string_equal(b_trie_lookup(source, "CONTENT"),
        "<h1>This is a test</h1>\n"
        "<p>bola</p>\n");
    assert_string_equal(b_trie_lookup(source, "RAW_CONTENT"),
        "# This is a test\n"
        "\n"
        "bola\n");
    b_trie_free(source);
}


static void
test_source_parse_with_spaces(void **state)
{
    const char *a =
        "\n  \n"
        "VAR1: chunda     \t   \n"
        "\n\n"
        "BOLA: guda\n"
        "----------\n"
        "# This is a test\n"
        "\n"
        "bola\n";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(err);
    assert_non_null(source);
    assert_int_equal(b_trie_size(source), 4);
    assert_string_equal(b_trie_lookup(source, "VAR1"), "chunda");
    assert_string_equal(b_trie_lookup(source, "BOLA"), "guda");
    assert_string_equal(b_trie_lookup(source, "CONTENT"),
        "<h1>This is a test</h1>\n"
        "<p>bola</p>\n");
    assert_string_equal(b_trie_lookup(source, "RAW_CONTENT"),
        "# This is a test\n"
        "\n"
        "bola\n");
    b_trie_free(source);
}


static void
test_source_parse_config_empty(void **state)
{
    const char *a = "";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg, "Your config file is empty.");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_invalid_key(void **state)
{
    const char *a = "bola: guda";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Can't find a configuration key or the content separator.\n"
        "Error occurred near to 'bola: guda'");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_no_key(void **state)
{
    const char *a = "BOLa";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Invalid configuration key.\n"
        "Error occurred near to 'a'");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_no_key2(void **state)
{
    const char *a = "BOLA";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Your last configuration key is missing ':' and the value");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_no_value(void **state)
{
    const char *a = "BOLA:\r\n";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Configuration value not provided for 'BOLA'.");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_no_value2(void **state)
{
    const char *a = "BOLA:";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Configuration value not provided for 'BOLA'.");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_reserved_name(void **state)
{
    const char *a = "FILENAME: asd\r\n";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "'FILENAME' variable is forbidden in source files. It will be set "
        "for you by the compiler.");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_config_value_no_line_ending(void **state)
{
    const char *a = "BOLA: asd";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "No line ending after the configuration value for 'BOLA'.");
    blogc_error_free(err);
    b_trie_free(source);
}


static void
test_source_parse_invalid_separator(void **state)
{
    const char *a = "BOLA: asd\n---#";
    blogc_error_t *err = NULL;
    b_trie_t *source = blogc_source_parse(a, strlen(a), &err);
    assert_null(source);
    assert_non_null(err);
    assert_int_equal(err->type, BLOGC_ERROR_SOURCE_PARSER);
    assert_string_equal(err->msg,
        "Invalid content separator. Must be more than one '-' characters.\n"
        "Error occurred near to '#'");
    blogc_error_free(err);
    b_trie_free(source);
}


int
main(void)
{
    const UnitTest tests[] = {
        unit_test(test_source_parse),
        unit_test(test_source_parse_with_spaces),
        unit_test(test_source_parse_config_empty),
        unit_test(test_source_parse_config_invalid_key),
        unit_test(test_source_parse_config_no_key),
        unit_test(test_source_parse_config_no_key2),
        unit_test(test_source_parse_config_no_value),
        unit_test(test_source_parse_config_no_value2),
        unit_test(test_source_parse_config_reserved_name),
        unit_test(test_source_parse_config_value_no_line_ending),
        unit_test(test_source_parse_invalid_separator),
    };
    return run_tests(tests);
}