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tokenizer_test.c
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "tokenizer.h"
#include "token.h"
#include "utils.h"
static void run_tokenizer_tokenize_testcase(const char *str, struct tokenize_data *expected_data, struct tokenize_error *expected_error)
{
int i;
struct tokenize_data *t_data = NULL;
struct tokenize_error *t_error = NULL;
struct dynamic_array *tokens;
struct token **actual_tokens;
struct token **expected_tokens;
struct tokenizer *t;
printf("Tokenize command: %s\n", str);
t = tokenizer_create();
tokenizer_tokenize(t, str, &t_data, &t_error);
tokenizer_destroy(t);
if (t_error) {
char *actual_message = t_error->message;
tokens_destroy(t_data->tokens);
free(t_data);
free(t_error);
if (expected_error) {
char *expected_message = expected_error->message;
if (strcmp(actual_message, expected_message)) {
printf("errors missmatch: expected \"%s\", actual \"%s\"\n", expected_message, actual_message);
}
}
if (expected_error == NULL) {
printf("error is not expected, but get error with message: %s\n", actual_message);
}
return;
}
if (expected_error) {
printf("no errors, but expected error with message: \"%s\"\n", expected_error->message);
}
tokens = t_data->tokens;
free(t_data);
free(t_error);
actual_tokens = tokens->ptr;
expected_tokens = expected_data->tokens->ptr;
if (tokens->len != expected_data->tokens->len) {
printf("tokens array len missmatch: expected \"%ld\", actual \"%ld\"\n", expected_data->tokens->len, tokens->len);
tokens_destroy(tokens);
return;
}
for (i = 0; i < tokens->len; i++) {
printf("{type: %d, text: \"%s\"} ", actual_tokens[i]->type, actual_tokens[i]->text);
if (actual_tokens[i]->type != expected_tokens[i]->type) {
printf("expected type: %d, actual type: %d", expected_tokens[i]->type, actual_tokens[i]->type);
}
if (strcmp(actual_tokens[i]->text, expected_tokens[i]->text)) {
printf("expected text: %s, actual text: %s", expected_tokens[i]->text, actual_tokens[i]->text);
}
printf("\n");
}
tokens_destroy(tokens);
}
static struct dynamic_array *tokens_dynamic_array_create(struct token **tokens_array, size_t tokens_array_len)
{
struct dynamic_array *tokens;
int i;
tokens = dynamic_array_create(tokens_array_len, sizeof(*tokens_array));
for (i = 0; i < tokens_array_len; i++) {
dynamic_array_append(tokens, &tokens_array[i]);
}
return tokens;
}
void test_tokenizer_tokenize()
{
struct tokenize_data expected_data;
struct tokenize_error expected_error;
struct token *tokens_array1[26];
struct token *tokens_array2[3];
struct token *tokens_array3[1];
struct token *tokens_array4[1];
tokens_array1[0] = token_create(TOKEN_TYPE_WORD, dupstr("ls"));
tokens_array1[1] = token_create(TOKEN_TYPE_WORD, dupstr("-al"));
tokens_array1[2] = token_create(TOKEN_TYPE_PIPE, dupstr("|"));
tokens_array1[3] = token_create(TOKEN_TYPE_WORD, dupstr("cat"));
tokens_array1[4] = token_create(TOKEN_TYPE_REDIRECT_OUTPUT, dupstr(">"));
tokens_array1[5] = token_create(TOKEN_TYPE_WORD, dupstr("file.txt"));
tokens_array1[6] = token_create(TOKEN_TYPE_EXPRESSION_SEPARATOR_1, dupstr(";"));
tokens_array1[7] = token_create(TOKEN_TYPE_SUBSHELL_START, dupstr("("));
tokens_array1[8] = token_create(TOKEN_TYPE_WORD, dupstr("true"));
tokens_array1[9] = token_create(TOKEN_TYPE_AND, dupstr("&&"));
tokens_array1[10] = token_create(TOKEN_TYPE_WORD, dupstr("false"));
tokens_array1[11] = token_create(TOKEN_TYPE_OR, dupstr("||"));
tokens_array1[12] = token_create(TOKEN_TYPE_WORD, dupstr("ps"));
tokens_array1[13] = token_create(TOKEN_TYPE_WORD, dupstr("axu"));
tokens_array1[14] = token_create(TOKEN_TYPE_REDIRECT_OUTPUT_APPEND, dupstr(">>"));
tokens_array1[15] = token_create(TOKEN_TYPE_WORD, dupstr("file2.txt"));
tokens_array1[16] = token_create(TOKEN_TYPE_REDIRECT_INPUT, dupstr("<"));
tokens_array1[17] = token_create(TOKEN_TYPE_WORD, dupstr("input.txt"));
tokens_array1[18] = token_create(TOKEN_TYPE_SUBSHELL_END, dupstr(")"));
tokens_array1[19] = token_create(TOKEN_TYPE_REDIRECT_OUTPUT, dupstr(">"));
tokens_array1[20] = token_create(TOKEN_TYPE_WORD, dupstr("file3.txt"));
tokens_array1[21] = token_create(TOKEN_TYPE_ASYNC, dupstr("&"));
tokens_array1[22] = token_create(TOKEN_TYPE_WORD, dupstr("&"));
tokens_array1[23] = token_create(TOKEN_TYPE_WORD, dupstr("echo"));
tokens_array1[24] = token_create(TOKEN_TYPE_WORD, dupstr("hello"));
tokens_array1[25] = token_create(TOKEN_TYPE_EXPRESSION_SEPARATOR_2, dupstr("\n"));
expected_data.tokens = tokens_dynamic_array_create(tokens_array1, sizeof(tokens_array1) / sizeof(*tokens_array1));
run_tokenizer_tokenize_testcase(" ls -al | cat > fil\"e.t\"xt; "
"(true && false || ps axu >> file2.txt < input.txt) > file3.txt& \"&\" echo \"hello\"\n", &expected_data, NULL);
tokens_destroy(expected_data.tokens);
tokens_array2[0] = token_create(TOKEN_TYPE_WORD, dupstr("ps"));
tokens_array2[1] = token_create(TOKEN_TYPE_WORD, dupstr("axu"));
tokens_array2[2] = token_create(TOKEN_TYPE_EXPRESSION_SEPARATOR_2, dupstr("\n"));
expected_data.tokens = tokens_dynamic_array_create(tokens_array2, sizeof(tokens_array2) / sizeof(*tokens_array2));
run_tokenizer_tokenize_testcase(" ps axu\n", &expected_data, NULL);
tokens_destroy(expected_data.tokens);
tokens_array3[0] = token_create(TOKEN_TYPE_WORD, dupstr("ps"));
expected_data.tokens = tokens_dynamic_array_create(tokens_array3, sizeof(tokens_array3) / sizeof(*tokens_array3));
run_tokenizer_tokenize_testcase("ps\\", &expected_data, NULL);
tokens_destroy(expected_data.tokens);
tokens_array4[0] = token_create(TOKEN_TYPE_WORD, dupstr("ps"));
expected_data.tokens = tokens_dynamic_array_create(tokens_array4, sizeof(tokens_array4) / sizeof(*tokens_array4));
run_tokenizer_tokenize_testcase("ps", &expected_data, NULL);
tokens_destroy(expected_data.tokens);
expected_error.message = "unmatched quotes";
run_tokenizer_tokenize_testcase("\"ps ", NULL, &expected_error);
}
int main()
{
test_tokenizer_tokenize();
return 0;
}