loader: implemented pagination filter

3 files changed, 508 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index d79fc47..409d880 100644
--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,8 @@ AM_CONDITIONAL([USE_CMOCKA], [test "x$have_cmocka" = "xyes"])
 
 AC_CHECK_HEADERS([sys/types.h sys/stat.h time.h])
 
+AC_SEARCH_LIBS([ceilf], [m])
+
 AC_CONFIG_FILES([
     Makefile
 ])
diff --git a/src/loader.c b/src/loader.c
index a48c9dc..2d8ebf5 100644
--- a/src/loader.c
+++ b/src/loader.c
@@ -10,6 +10,7 @@
 #include <config.h>
 #endif /* HAVE_CONFIG_H */
 
+#include <math.h>
 #include <stdio.h>
 #include <string.h>
 #include "utils/utils.h"
@@ -102,6 +103,21 @@ blogc_source_parse_from_files(b_trie_t *conf, b_slist_t *l, blogc_error_t **err)
     unsigned int with_date = 0;
 
     const char *filter_tag = b_trie_lookup(conf, "FILTER_TAG");
+    const char *filter_page = b_trie_lookup(conf, "FILTER_PAGE");
+    const char *filter_per_page = b_trie_lookup(conf, "FILTER_PER_PAGE");
+
+    long page = strtol(filter_page != NULL ? filter_page : "", NULL, 10);
+    if (page <= 0)
+        page = 1;
+    long per_page = strtol(filter_per_page != NULL ? filter_per_page : "10",
+        NULL, 10);
+    if (per_page <= 0)
+        per_page = 10;
+
+    // poor man's pagination
+    unsigned int start = (page - 1) * per_page;
+    unsigned int end = start + per_page;
+    unsigned int counter = 0;
 
     for (b_slist_t *tmp = l; tmp != NULL; tmp = tmp->next) {
         char *f = tmp->data;
@@ -134,6 +150,14 @@ blogc_source_parse_from_files(b_trie_t *conf, b_slist_t *l, blogc_error_t **err)
                 continue;
             }
         }
+        if (filter_page != NULL) {
+            if (counter < start || counter >= end) {
+                counter++;
+                b_trie_free(s);
+                continue;
+            }
+            counter++;
+        }
         if (b_trie_lookup(s, "DATE") != NULL)
             with_date++;
         rv = b_slist_append(rv, s);
@@ -168,5 +192,18 @@ blogc_source_parse_from_files(b_trie_t *conf, b_slist_t *l, blogc_error_t **err)
         }
     }
 
+    if (filter_page != NULL) {
+        unsigned int last_page = ceilf(((float) counter) / per_page);
+        b_trie_insert(conf, "CURRENT_PAGE", b_strdup_printf("%ld", page));
+        if (page > 1)
+            b_trie_insert(conf, "PREVIOUS_PAGE", b_strdup_printf("%ld", page - 1));
+        if (page < last_page)
+            b_trie_insert(conf, "NEXT_PAGE", b_strdup_printf("%ld", page + 1));
+        if (b_slist_length(rv) > 0)
+            b_trie_insert(conf, "FIRST_PAGE", b_strdup("1"));
+        if (last_page > 0)
+            b_trie_insert(conf, "LAST_PAGE", b_strdup_printf("%d", last_page));
+    }
+
     return rv;
 }
diff --git a/tests/check_loader.c b/tests/check_loader.c
index f570297..865d598 100644
--- a/tests/check_loader.c
+++ b/tests/check_loader.c
@@ -223,6 +223,469 @@ test_source_parse_from_files_filter_by_tag(void **state)
 
 
 static void
+test_source_parse_from_files_filter_by_page(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("1"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_non_null(t);
+    assert_int_equal(b_slist_length(t), 2);  // it is enough, no need to look at the items
+    assert_int_equal(b_trie_size(c), 10);
+    assert_string_equal(b_trie_lookup(c, "FILENAME_FIRST"), "bola1");
+    assert_string_equal(b_trie_lookup(c, "FILENAME_LAST"), "bola2");
+    assert_string_equal(b_trie_lookup(c, "DATE_FIRST"), "2001-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "DATE_LAST"), "2002-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "CURRENT_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "NEXT_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "FIRST_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "LAST_PAGE"), "4");
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+    b_slist_free_full(t, (b_free_func_t) b_trie_free);
+}
+
+
+static void
+test_source_parse_from_files_filter_by_page2(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("3"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_non_null(t);
+    assert_int_equal(b_slist_length(t), 2);  // it is enough, no need to look at the items
+    assert_int_equal(b_trie_size(c), 11);
+    assert_string_equal(b_trie_lookup(c, "FILENAME_FIRST"), "bola5");
+    assert_string_equal(b_trie_lookup(c, "FILENAME_LAST"), "bola6");
+    assert_string_equal(b_trie_lookup(c, "DATE_FIRST"), "2005-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "DATE_LAST"), "2006-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PAGE"), "3");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "CURRENT_PAGE"), "3");
+    assert_string_equal(b_trie_lookup(c, "PREVIOUS_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "NEXT_PAGE"), "4");
+    assert_string_equal(b_trie_lookup(c, "FIRST_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "LAST_PAGE"), "4");
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+    b_slist_free_full(t, (b_free_func_t) b_trie_free);
+}
+
+
+static void
+test_source_parse_from_files_filter_by_page3(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("1"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_non_null(t);
+    assert_int_equal(b_slist_length(t), 2);  // it is enough, no need to look at the items
+    assert_int_equal(b_trie_size(c), 10);
+    assert_string_equal(b_trie_lookup(c, "FILENAME_FIRST"), "bola1");
+    assert_string_equal(b_trie_lookup(c, "FILENAME_LAST"), "bola2");
+    assert_string_equal(b_trie_lookup(c, "DATE_FIRST"), "2001-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "DATE_LAST"), "2002-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "CURRENT_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "NEXT_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "FIRST_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "LAST_PAGE"), "4");
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+    b_slist_free_full(t, (b_free_func_t) b_trie_free);
+}
+
+
+static void
+test_source_parse_from_files_filter_by_page_and_tag(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "TAGS: chunda\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "TAGS: chunda, bola\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "TAGS: bola\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "TAGS: chunda\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "TAGS: yay, chunda\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_TAG", b_strdup("chunda"));
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("2"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_non_null(t);
+    assert_int_equal(b_slist_length(t), 2);  // it is enough, no need to look at the items
+    assert_int_equal(b_trie_size(c), 11);
+    assert_string_equal(b_trie_lookup(c, "FILENAME_FIRST"), "bola5");
+    assert_string_equal(b_trie_lookup(c, "FILENAME_LAST"), "bola7");
+    assert_string_equal(b_trie_lookup(c, "DATE_FIRST"), "2005-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "DATE_LAST"), "2007-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "FILTER_TAG"), "chunda");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "CURRENT_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "PREVIOUS_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "FIRST_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "LAST_PAGE"), "2");
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+    b_slist_free_full(t, (b_free_func_t) b_trie_free);
+}
+
+
+static void
+test_source_parse_from_files_filter_by_page_invalid(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("-1"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_non_null(t);
+    assert_int_equal(b_slist_length(t), 2);  // it is enough, no need to look at the items
+    assert_int_equal(b_trie_size(c), 10);
+    assert_string_equal(b_trie_lookup(c, "FILENAME_FIRST"), "bola1");
+    assert_string_equal(b_trie_lookup(c, "FILENAME_LAST"), "bola2");
+    assert_string_equal(b_trie_lookup(c, "DATE_FIRST"), "2001-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "DATE_LAST"), "2002-02-03 04:05:06");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PAGE"), "-1");
+    assert_string_equal(b_trie_lookup(c, "FILTER_PER_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "CURRENT_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "NEXT_PAGE"), "2");
+    assert_string_equal(b_trie_lookup(c, "FIRST_PAGE"), "1");
+    assert_string_equal(b_trie_lookup(c, "LAST_PAGE"), "4");
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+    b_slist_free_full(t, (b_free_func_t) b_trie_free);
+}
+
+
+static void
+test_source_parse_from_files_filter_by_page_invalid2(void **state)
+{
+    will_return(__wrap_blogc_file_get_contents, "bola1.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 123\n"
+        "DATE: 2001-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola2.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 456\n"
+        "DATE: 2002-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola3.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 789\n"
+        "DATE: 2003-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola4.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7891\n"
+        "DATE: 2004-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola5.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7892\n"
+        "DATE: 2005-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola6.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7893\n"
+        "DATE: 2006-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    will_return(__wrap_blogc_file_get_contents, "bola7.txt");
+    will_return(__wrap_blogc_file_get_contents, b_strdup(
+        "ASD: 7894\n"
+        "DATE: 2007-02-03 04:05:06\n"
+        "--------\n"
+        "bola"));
+    blogc_error_t *err = NULL;
+    b_slist_t *s = NULL;
+    s = b_slist_append(s, b_strdup("bola1.txt"));
+    s = b_slist_append(s, b_strdup("bola2.txt"));
+    s = b_slist_append(s, b_strdup("bola3.txt"));
+    s = b_slist_append(s, b_strdup("bola4.txt"));
+    s = b_slist_append(s, b_strdup("bola5.txt"));
+    s = b_slist_append(s, b_strdup("bola6.txt"));
+    s = b_slist_append(s, b_strdup("bola7.txt"));
+    b_trie_t *c = b_trie_new(free);
+    b_trie_insert(c, "FILTER_PAGE", b_strdup("5"));
+    b_trie_insert(c, "FILTER_PER_PAGE", b_strdup("2"));
+    b_slist_t *t = blogc_source_parse_from_files(c, s, &err);
+    assert_null(err);
+    assert_null(t);
+    b_trie_free(c);
+    b_slist_free_full(s, free);
+}
+
+
+static void
 test_source_parse_from_files_without_all_dates(void **state)
 {
     will_return(__wrap_blogc_fprintf, stderr);
@@ -295,6 +758,12 @@ main(void)
         unit_test(test_source_parse_from_file_null),
         unit_test(test_source_parse_from_files),
         unit_test(test_source_parse_from_files_filter_by_tag),
+        unit_test(test_source_parse_from_files_filter_by_page),
+        unit_test(test_source_parse_from_files_filter_by_page2),
+        unit_test(test_source_parse_from_files_filter_by_page3),
+        unit_test(test_source_parse_from_files_filter_by_page_and_tag),
+        unit_test(test_source_parse_from_files_filter_by_page_invalid),
+        unit_test(test_source_parse_from_files_filter_by_page_invalid2),
         unit_test(test_source_parse_from_files_without_all_dates),
         unit_test(test_source_parse_from_files_null),
     };