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check_command.c
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check_command.c
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/* vi:set ts=4 sw=4 expandtab:
*
* Copyright 2016, Chris Leishman (http://github.com/cleishm)
*
* 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 "../config.h"
#include "../src/lib/cypher-parser.h"
#include "memstream.h"
#include <check.h>
#include <errno.h>
#include <unistd.h>
static cypher_parse_result_t *result;
static char *memstream_buffer;
static size_t memstream_size;
static FILE *memstream;
static void setup(void)
{
result = NULL;
memstream = open_memstream(&memstream_buffer, &memstream_size);
fputc('\n', memstream);
}
static void teardown(void)
{
cypher_parse_result_free(result);
fclose(memstream);
free(memstream_buffer);
}
START_TEST (parse_single_command_with_no_args)
{
struct cypher_input_position last = cypher_input_position_zero;
result = cypher_parse(":hunter\n", &last, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert_int_eq(last.offset, 8);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..7 command name=@1, args=[]\n"
"@1 1..7 > string \"hunter\"\n";
ck_assert_str_eq(memstream_buffer, expected);
ck_assert_int_eq(cypher_parse_result_ndirectives(result), 1);
const cypher_astnode_t *ast = cypher_parse_result_get_directive(result, 0);
ck_assert_int_eq(cypher_astnode_type(ast), CYPHER_AST_COMMAND);
ck_assert_int_eq(cypher_astnode_range(ast).start.offset, 0);
ck_assert_int_eq(cypher_astnode_range(ast).end.offset, 7);
const cypher_astnode_t *name = cypher_ast_command_get_name(ast);
ck_assert_int_eq(cypher_astnode_type(name), CYPHER_AST_STRING);
ck_assert_int_eq(cypher_astnode_range(name).start.offset, 1);
ck_assert_int_eq(cypher_astnode_range(name).end.offset, 7);
ck_assert_str_eq(cypher_ast_string_get_value(name), "hunter");
ck_assert_int_eq(cypher_ast_command_narguments(ast), 0);
ck_assert_ptr_eq(cypher_ast_command_get_argument(ast, 0), NULL);
}
END_TEST
START_TEST (parse_single_command_with_args)
{
struct cypher_input_position last = cypher_input_position_zero;
result = cypher_parse(":hunter s thompson\n", &last, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert_int_eq(last.offset, 19);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..18 command name=@1, args=[@2, @3]\n"
"@1 1..7 > string \"hunter\"\n"
"@2 8..9 > string \"s\"\n"
"@3 10..18 > string \"thompson\"\n";
ck_assert_str_eq(memstream_buffer, expected);
ck_assert_int_eq(cypher_parse_result_ndirectives(result), 1);
const cypher_astnode_t *ast = cypher_parse_result_get_directive(result, 0);
ck_assert_int_eq(cypher_astnode_type(ast), CYPHER_AST_COMMAND);
ck_assert_int_eq(cypher_astnode_range(ast).start.offset, 0);
ck_assert_int_eq(cypher_astnode_range(ast).end.offset, 18);
const cypher_astnode_t *name = cypher_ast_command_get_name(ast);
ck_assert_int_eq(cypher_astnode_type(name), CYPHER_AST_STRING);
ck_assert_int_eq(cypher_astnode_range(name).start.offset, 1);
ck_assert_int_eq(cypher_astnode_range(name).end.offset, 7);
ck_assert_str_eq(cypher_ast_string_get_value(name), "hunter");
ck_assert_int_eq(cypher_ast_command_narguments(ast), 2);
const cypher_astnode_t *arg = cypher_ast_command_get_argument(ast, 0);
ck_assert_int_eq(cypher_astnode_type(arg), CYPHER_AST_STRING);
ck_assert_int_eq(cypher_astnode_range(arg).start.offset, 8);
ck_assert_int_eq(cypher_astnode_range(arg).end.offset, 9);
ck_assert_str_eq(cypher_ast_string_get_value(arg), "s");
arg = cypher_ast_command_get_argument(ast, 1);
ck_assert_int_eq(cypher_astnode_type(arg), CYPHER_AST_STRING);
ck_assert_int_eq(cypher_astnode_range(arg).start.offset, 10);
ck_assert_int_eq(cypher_astnode_range(arg).end.offset, 18);
ck_assert_str_eq(cypher_ast_string_get_value(arg), "thompson");
ck_assert_ptr_eq(cypher_ast_command_get_argument(ast, 2), NULL);
}
END_TEST
START_TEST (parse_single_command_with_quoted_args)
{
struct cypher_input_position last = cypher_input_position_zero;
result = cypher_parse(":thompson 'hunter s'\n", &last, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert_int_eq(last.offset, 21);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..20 command name=@1, args=[@2]\n"
"@1 1..9 > string \"thompson\"\n"
"@2 10..20 > string \"hunter s\"\n";
ck_assert_str_eq(memstream_buffer, expected);
ck_assert_int_eq(cypher_parse_result_ndirectives(result), 1);
const cypher_astnode_t *ast = cypher_parse_result_get_directive(result, 0);
ck_assert_int_eq(cypher_astnode_type(ast), CYPHER_AST_COMMAND);
ck_assert_int_eq(cypher_astnode_range(ast).start.offset, 0);
ck_assert_int_eq(cypher_astnode_range(ast).end.offset, 20);
ck_assert_int_eq(cypher_ast_command_narguments(ast), 1);
const cypher_astnode_t *name = cypher_ast_command_get_name(ast);
ck_assert_str_eq(cypher_ast_string_get_value(name), "thompson");
const cypher_astnode_t *arg = cypher_ast_command_get_argument(ast, 0);
ck_assert_str_eq(cypher_ast_string_get_value(arg), "hunter s");
}
END_TEST
START_TEST (parse_single_command_with_partial_quoted_args)
{
struct cypher_input_position last = cypher_input_position_zero;
result = cypher_parse(":thompson lastname='hunter s'\n", &last, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert_int_eq(last.offset, 30);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..29 command name=@1, args=[@2]\n"
"@1 1..9 > string \"thompson\"\n"
"@2 10..29 > string \"lastname=hunter s\"\n";
ck_assert_str_eq(memstream_buffer, expected);
ck_assert_int_eq(cypher_parse_result_ndirectives(result), 1);
const cypher_astnode_t *ast = cypher_parse_result_get_directive(result, 0);
ck_assert_int_eq(cypher_astnode_type(ast), CYPHER_AST_COMMAND);
ck_assert_int_eq(cypher_astnode_range(ast).start.offset, 0);
ck_assert_int_eq(cypher_astnode_range(ast).end.offset, 29);
ck_assert_int_eq(cypher_ast_command_narguments(ast), 1);
const cypher_astnode_t *name = cypher_ast_command_get_name(ast);
ck_assert_str_eq(cypher_ast_string_get_value(name), "thompson");
const cypher_astnode_t *arg = cypher_ast_command_get_argument(ast, 0);
ck_assert_int_eq(cypher_astnode_range(arg).start.offset, 10);
ck_assert_int_eq(cypher_astnode_range(arg).end.offset, 29);
ck_assert_str_eq(cypher_ast_string_get_value(arg), "lastname=hunter s");
}
END_TEST
START_TEST (parse_multiple_commands)
{
result = cypher_parse(":hunter\n:s;:thompson // loathing", NULL, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..7 command name=@1, args=[]\n"
"@1 1..7 > string \"hunter\"\n"
"@2 8..10 command name=@3, args=[]\n"
"@3 9..10 > string \"s\"\n"
"@4 11..21 command name=@5, args=[]\n"
"@5 12..20 > string \"thompson\"\n"
"@6 23..32 line_comment // loathing\n";
ck_assert_str_eq(memstream_buffer, expected);
}
END_TEST
START_TEST (parse_multiline_command)
{
result = cypher_parse(
":hunter \\ //firstname\ns \\\n \\\n thompson //lastname\n",
NULL, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..40 command name=@1, args=[@3, @4]\n"
"@1 1..7 > string \"hunter\"\n"
"@2 12..21 > line_comment //firstname\n"
"@3 22..23 > string \"s\"\n"
"@4 31..39 > string \"thompson\"\n"
"@5 42..50 line_comment //lastname\n";
ck_assert_str_eq(memstream_buffer, expected);
}
END_TEST
START_TEST (parse_command_with_escape_chars)
{
result = cypher_parse(
":hunter\\;s\\\"thom\\\\\"pson;\"\n", NULL, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..25 command name=@1, args=[]\n"
"@1 1..25 > string \"hunter;s\"thom\\pson;\"\n";
ck_assert_str_eq(memstream_buffer, expected);
}
END_TEST
START_TEST (parse_command_with_block_comment)
{
result = cypher_parse(
":hunter /*;s\n*/thompson\n", NULL, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..23 command name=@1, args=[@3]\n"
"@1 1..7 > string \"hunter\"\n"
"@2 10..13 > block_comment /*;s\\n*/\n"
"@3 15..23 > string \"thompson\"\n";
ck_assert_str_eq(memstream_buffer, expected);
}
END_TEST
START_TEST (parse_command_with_line_comment)
{
result = cypher_parse(
":hunter //;s\n:thompson \"fear /*\"\n:and \"*/loathing\"",
NULL, NULL, 0);
ck_assert_ptr_ne(result, NULL);
ck_assert(cypher_parse_result_fprint_ast(result, memstream, 0, NULL, 0) == 0);
fflush(memstream);
const char *expected = "\n"
"@0 0..8 command name=@1, args=[]\n"
"@1 1..7 > string \"hunter\"\n"
"@2 10..12 line_comment //;s\n"
"@3 13..32 command name=@4, args=[@5]\n"
"@4 14..22 > string \"thompson\"\n"
"@5 23..32 > string \"fear /*\"\n"
"@6 33..50 command name=@7, args=[@8]\n"
"@7 34..37 > string \"and\"\n"
"@8 38..50 > string \"*/loathing\"\n";
ck_assert_str_eq(memstream_buffer, expected);
}
END_TEST
TCase* command_tcase(void)
{
TCase *tc = tcase_create("command");
tcase_add_checked_fixture(tc, setup, teardown);
tcase_add_test(tc, parse_single_command_with_no_args);
tcase_add_test(tc, parse_single_command_with_args);
tcase_add_test(tc, parse_single_command_with_quoted_args);
tcase_add_test(tc, parse_single_command_with_partial_quoted_args);
tcase_add_test(tc, parse_multiple_commands);
tcase_add_test(tc, parse_multiline_command);
tcase_add_test(tc, parse_command_with_escape_chars);
tcase_add_test(tc, parse_command_with_block_comment);
tcase_add_test(tc, parse_command_with_line_comment);
return tc;
}