path: root/camel/tests/mime-filter/test-stripheader.c

/*
  test-stripheader.c

  Test the CamelMimeFilterStripHeader class
*/

#include <stdio.h>
#include <string.h>

#include "camel-test.h"

#include <camel/camel-stream-fs.h>
#include <camel/camel-stream-mem.h>
#include <camel/camel-stream-filter.h>
#include <camel/camel-mime-filter-stripheader.h>

#define d(x) x

#define NUM_CASES 6
#define CHUNK_SIZE 32

int 
main(int argc, char **argv)
{
    CamelStream *source;
    CamelStream *correct;
    CamelStreamFilter *filter;
    CamelMimeFilter *sh;
    gchar *work;
    int i;
    ssize_t comp_progress, comp_correct_chunk, comp_filter_chunk;
    int comp_i;
    char comp_correct[CHUNK_SIZE], comp_filter[CHUNK_SIZE];

    camel_test_init(argc, argv);

    for (i = 0; i < NUM_CASES; i++) {
        work = g_strdup_printf ("Header stripping filter, test case %d", i);
        camel_test_start (work);
        g_free (work);

        camel_test_push ("Initializing objects");
        work = g_strdup_printf ("%s/stripheader-%d.in", SOURCEDIR, i + 1);
        source = camel_stream_fs_new_with_name (work, 0, O_RDONLY);
        if (!source) {
            camel_test_fail ("Failed to open input case in \"%s\"", work);
            g_free (work);
            continue;
        }
        g_free (work);

        work = g_strdup_printf ("%s/stripheader-%d.out", SOURCEDIR, i + 1);
        correct = camel_stream_fs_new_with_name (work, 0, O_RDONLY);
        if (!correct) {
            camel_test_fail ("Failed to open correct output in \"%s\"", work);
            g_free (work);
            continue;
        }
        g_free (work);

        filter = camel_stream_filter_new_with_stream (CAMEL_STREAM (source));
        if (!filter) {
            camel_test_fail ("Couldn't create CamelStreamFilter??");
            continue;
        }

        sh = camel_mime_filter_stripheader_new ("Stripped");
        if (!sh) {
            camel_test_fail ("Couldn't create CamelMimeFilterStripHeader??");
            continue;
        }

        camel_stream_filter_add (filter, sh);
        camel_test_pull ();

        camel_test_push ("Running filter and comparing to correct result");

        comp_progress = 0;

        while (1) {
            comp_correct_chunk = camel_stream_read (correct, comp_correct, CHUNK_SIZE);
            comp_filter_chunk = 0;

            if (comp_correct_chunk == 0)
                break;

            while (comp_filter_chunk < comp_correct_chunk) {
                ssize_t delta;

                delta = camel_stream_read (CAMEL_STREAM (filter), 
                               comp_filter + comp_filter_chunk, 
                               CHUNK_SIZE - comp_filter_chunk);

                if (delta == 0) {
                    camel_test_fail ("Chunks are different sizes: correct is %d, filter is %d, %d bytes into stream",
                             comp_correct_chunk, comp_filter_chunk, comp_progress);
                }

                comp_filter_chunk += delta;
            }

            d(printf ("\n\nCORRECT: >>%.*s<<", comp_correct_chunk, comp_correct);)
            d(printf ("\nFILTER : >>%.*s<<\n", comp_filter_chunk, comp_filter);)

            for (comp_i = 0; comp_i < comp_filter_chunk; comp_i++) {
                if (comp_correct[comp_i] != comp_filter[comp_i]) {
                    camel_test_fail ("Difference: correct is %c, filter is %c, %d bytes into stream",
                             comp_correct[comp_i], 
                             comp_filter[comp_i],
                             comp_progress + comp_i);
                }
            }

            comp_progress += comp_filter_chunk;
        }

        camel_test_pull ();

        /* inefficient */
        camel_test_push ("Cleaning up");
        camel_object_unref (CAMEL_OBJECT (filter));
        camel_object_unref (CAMEL_OBJECT (correct));
        camel_object_unref (CAMEL_OBJECT (source));
        camel_object_unref (CAMEL_OBJECT (sh));
        camel_test_pull ();

        camel_test_end();
    }

    return 0;
}