*: big code reorganization.

- source and tests are now splitted by target
- utils lib is now called common

still pending move error.c from blogc to common

1 files changed, 1158 insertions, 0 deletions

diff --git a/tests/blogc/check_renderer.c b/tests/blogc/check_renderer.c
new file mode 100644
index 0000000..c058788
--- /dev/null
+++ b/tests/blogc/check_renderer.c
@@ -0,0 +1,1158 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2015-2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../../src/blogc/error.h"
+#include "../../src/blogc/renderer.h"
+#include "../../src/blogc/source-parser.h"
+#include "../../src/blogc/template-parser.h"
+#include "../../src/common/utils.h"
+
+
+static sb_slist_t*
+create_sources(unsigned int count)
+{
+    const char *s[] = {
+        "BOLA: asd\n"
+        "GUDA: zxc\n"
+        "GUDA2: zxc\n"
+        "DATE: 2015-01-02 03:04:05\n"
+        "DATE_FORMAT: %R\n"
+        "TAGS: foo   bar baz\n"
+        "-----\n"
+        "ahahahahahahahaha",
+        "BOLA: asd2\n"
+        "GUDA: zxc2\n"
+        "DATE: 2014-02-03 04:05:06\n"
+        "-----\n"
+        "ahahahahahahahaha2",
+        "BOLA: asd3\n"
+        "GUDA: zxc3\n"
+        "DATE: 2013-01-02 03:04:05\n"
+        "-----\n"
+        "ahahahahahahahaha3",
+    };
+    assert_false(count > 3);
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = NULL;
+    for (unsigned int i = 0; i < count; i++) {
+        l = sb_slist_append(l, blogc_source_parse(s[i], strlen(s[i]), &err));
+        assert_null(err);
+    }
+    assert_int_equal(sb_slist_length(l), count);
+    return l;
+}
+
+
+static void
+test_render_entry(void **state)
+{
+    const char *str =
+        "foo\n"
+        "{% block listing_once %}fuuu{% endblock %}\n"
+        "{% block entry %}\n"
+        "{{ DATE }}\n"
+        "{% ifdef DATE_FORMATTED %}{{ DATE_FORMATTED }}{% endif %}\n"
+        "{% ifdef GUDA %}{{ GUDA }}{% endif %}\n"
+        "{% ifdef CHUNDA %}{{ CHUNDA }}{% endif %}\n"
+        "{% endblock %}\n"
+        "{% block listing %}lol{% endblock %}\n"
+        "{% if GUDA == GUDA2 %}gudabola{% endif %}\n"
+        "{% if GUDA == \"zxc\" %}LOL{% endif %}\n"
+        "{% if GUDA != \"bola\" %}HEHE{% endif %}\n"
+        "{% if GUDA < \"zxd\" %}LOL2{% endif %}\n"
+        "{% if GUDA > \"zxd\" %}LOL3{% else %}ELSE{% endif %}\n"
+        "{% if GUDA <= \"zxc\" %}LOL4{% endif %}\n"
+        "{% foreach TAGS %}lol {{ FOREACH_ITEM }} haha {% endforeach %}\n"
+        "{% foreach TAGS_ASD %}yay{% endforeach %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "foo\n"
+        "\n"
+        "\n"
+        "2015-01-02 03:04:05\n"
+        "03:04\n"
+        "zxc\n"
+        "\n"
+        "\n"
+        "\n"
+        "gudabola\n"
+        "LOL\n"
+        "HEHE\n"
+        "LOL2\n"
+        "ELSE\n"
+        "LOL4\n"
+        "lol foo haha lol bar haha lol baz haha \n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_listing(void **state)
+{
+    const char *str =
+        "foo\n"
+        "{% block listing_once %}fuuu{% endblock %}\n"
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}{{ GUDA }}{% endif %}\n"
+        "{% ifdef CHUNDA %}{{ CHUNDA }}{% endif %}\n"
+        "{% endblock %}\n"
+        "{% block listing %}\n"
+        "{% ifdef DATE_FORMATTED %}{{ DATE_FORMATTED }}{% endif %}\n"
+        "bola: {% ifdef BOLA %}{{ BOLA }}{% endif %}\n"
+        "{% foreach TAGS %}lol {{ FOREACH_ITEM }} haha {% endforeach %}\n"
+        "{% foreach TAGS_ASD %}yay{% endforeach %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(3);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, true);
+    assert_string_equal(out,
+        "foo\n"
+        "fuuu\n"
+        "\n"
+        "\n"
+        "03:04\n"
+        "bola: asd\n"
+        "lol foo haha lol bar haha lol baz haha \n"
+        "\n"
+        "\n"
+        "2014-02-03 04:05:06\n"
+        "bola: asd2\n"
+        "\n"
+        "\n"
+        "\n"
+        "2013-01-02 03:04:05\n"
+        "bola: asd3\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_listing_empty(void **state)
+{
+    const char *str =
+        "foo\n"
+        "{% block listing_once %}fuuu{% endblock %}\n"
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}{{ GUDA }}{% endif %}\n"
+        "{% ifdef CHUNDA %}{{ CHUNDA }}{% endif %}\n"
+        "{% endblock %}\n"
+        "{% block listing %}\n"
+        "{% ifdef DATE_FORMATTED %}{{ DATE_FORMATTED }}{% endif %}\n"
+        "bola: {% ifdef BOLA %}{{ BOLA }}{% endif %}\n"
+        "{% foreach TAGS %}lol {{ FOREACH_ITEM }} haha {% endforeach %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    char *out = blogc_render(l, NULL, NULL, true);
+    assert_string_equal(out,
+        "foo\n"
+        "fuuu\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    free(out);
+}
+
+
+static void
+test_render_ifdef(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef2(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "guda\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef3(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "guda\n"
+        "bola\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef4(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% else %}lol\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "guda\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef5(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% endif %}\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% else %}lol\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "guda\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef6(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% endif %}\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% else %}lol\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "lol\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifdef7(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% ifdef CHUNDA %}chunda\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% ifdef CHUNDA %}ch\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "guda\n"
+        "bola\n"
+        "\n"
+        "\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifndef(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifndef CHUNDA %}chunda\n"
+        "{% ifdef GUDA %}guda\n"
+        "{% ifndef BOLA %}bola\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "chunda\n"
+        "guda\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_eq(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if GUDA == GUDA2 %}gudabola{% endif %}\n"
+        "{% if GUDA == \"zxc\" %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_neq(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if GUDA != BOLA %}gudabola{% endif %}\n"
+        "{% if GUDA != \"zxa\" %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_lt(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if BOLA < GUDA %}gudabola{% endif %}\n"
+        "{% if GUDA < \"zxe\" %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_gt(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if GUDA > BOLA %}gudabola{% endif %}\n"
+        "{% if GUDA > \"zxa\" %}guda\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_lt_eq(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if BOLA <= GUDA %}gudabola{% endif %}\n"
+        "{% if GUDA <= \"zxc\" %}guda\n"
+        "{% if GUDA <= \"zxe\" %}guda2\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "guda2\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_if_gt_eq(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% if GUDA >= BOLA %}gudabola{% endif %}\n"
+        "{% if GUDA >= \"zxc\" %}guda\n"
+        "{% if GUDA >= \"zxa\" %}guda2\n"
+        "{% ifdef BOLA %}bola\n"
+        "{% if GUDA > \"zxc\" %}asd\n"
+        "{% else %}else\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "gudabola\n"
+        "guda\n"
+        "guda2\n"
+        "bola\n"
+        "else\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_foreach(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% foreach TAGS %} {{ FOREACH_ITEM }} {% endforeach %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        " foo  bar  baz \n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_foreach_if(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% foreach TAGS %} {% if FOREACH_ITEM == \"bar\" %}{{ FOREACH_ITEM }}"
+        "{% endif %} {% endforeach %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "   bar   \n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_foreach_if_else(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% foreach TAGS %}{% if FOREACH_ITEM == \"bar\" %}yay"
+        "{% else %}{{ FOREACH_ITEM }}"
+        "{% endif %} {% endforeach %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    char *out = blogc_render(l, s, NULL, false);
+    assert_string_equal(out,
+        "\n"
+        "foo yay baz \n"
+        "\n");
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_null(void **state)
+{
+    assert_null(blogc_render(NULL, NULL, NULL, false));
+}
+
+
+static void
+test_render_outside_block(void **state)
+{
+    const char *str =
+        "{% ifdef GUDA %}bola{% endif %}\n"
+        "{{ BOLA }}\n"
+        "{% ifndef CHUNDA %}lol{% endif %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    sb_trie_t *c = sb_trie_new(free);
+    sb_trie_insert(c, "GUDA", sb_strdup("asd"));
+    char *out = blogc_render(l, s, c, false);
+    assert_string_equal(out,
+        "bola\n"
+        "\n"
+        "lol\n");
+    sb_trie_free(c);
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_prefer_local_variable(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef LOL %}{{ LOL }}{% endif %}\n"
+        "{% ifndef CHUNDA %}chunda\n"
+        "{% ifdef GUDA %}{{ GUDA }}\n"
+        "{% ifndef BOLA %}bola\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    sb_trie_t *c = sb_trie_new(free);
+    sb_trie_insert(c, "GUDA", sb_strdup("hehe"));
+    sb_trie_insert(c, "LOL", sb_strdup("hmm"));
+    char *out = blogc_render(l, s, c, false);
+    assert_string_equal(out,
+        "\n"
+        "hmm\n"
+        "chunda\n"
+        "zxc\n"
+        "\n"
+        "\n"
+        "\n"
+        "\n");
+    sb_trie_free(c);
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_respect_variable_scope(void **state)
+{
+    const char *str =
+        "{{ LOL }}\n"
+        "{{ BOLA }}\n"
+        "{% block entry %}\n"
+        "{% ifdef LOL %}{{ LOL }}{% endif %}\n"
+        "{% ifdef BOLA %}{{ BOLA }}{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = create_sources(1);
+    assert_non_null(s);
+    sb_trie_t *c = sb_trie_new(free);
+    char *out = blogc_render(l, s, c, false);
+    assert_string_equal(out,
+        "\n"
+        "\n"
+        "\n"
+        "\n"
+        "asd\n"
+        "\n");
+    sb_trie_free(c);
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_render_ifcount_bug(void **state)
+{
+    const char *str =
+        "{% block entry %}\n"
+        "{% ifdef TITLE %}<h3>{{ TITLE }}</h3>{% endif %}\n"
+        "{% ifdef IS_POST %}\n"
+        "{% ifdef ASD %}ASD{% endif %}\n"
+        "{% endif %}\n"
+        "{% endblock %}\n";
+    blogc_error_t *err = NULL;
+    sb_slist_t *l = blogc_template_parse(str, strlen(str), &err);
+    assert_non_null(l);
+    assert_null(err);
+    sb_slist_t *s = NULL;
+    s = sb_slist_append(s, sb_trie_new(free));
+    sb_trie_insert(s->data, "TITLE", sb_strdup("bola"));
+    sb_trie_t *c = sb_trie_new(free);
+    char *out = blogc_render(l, s, c, false);
+    assert_string_equal(out,
+        "\n"
+        "<h3>bola</h3>\n"
+        "\n"
+        "\n");
+    sb_trie_free(c);
+    blogc_template_free_stmts(l);
+    sb_slist_free_full(s, (sb_free_func_t) sb_trie_free);
+    free(out);
+}
+
+
+static void
+test_get_variable(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "NAME", sb_strdup("bola"));
+    sb_trie_insert(g, "TITLE", sb_strdup("bola2"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "NAME", sb_strdup("chunda"));
+    sb_trie_insert(l, "TITLE", sb_strdup("chunda2"));
+    assert_string_equal(blogc_get_variable("NAME", g, l), "chunda");
+    assert_string_equal(blogc_get_variable("TITLE", g, l), "chunda2");
+    assert_null(blogc_get_variable("BOLA", g, l));
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_get_variable_only_local(void **state)
+{
+    sb_trie_t *g = NULL;
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "NAME", sb_strdup("chunda"));
+    sb_trie_insert(l, "TITLE", sb_strdup("chunda2"));
+    assert_string_equal(blogc_get_variable("NAME", g, l), "chunda");
+    assert_string_equal(blogc_get_variable("TITLE", g, l), "chunda2");
+    assert_null(blogc_get_variable("BOLA", g, l));
+    sb_trie_free(l);
+}
+
+
+static void
+test_get_variable_only_global(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "NAME", sb_strdup("bola"));
+    sb_trie_insert(g, "TITLE", sb_strdup("bola2"));
+    sb_trie_t *l = NULL;
+    assert_string_equal(blogc_get_variable("NAME", g, l), "bola");
+    assert_string_equal(blogc_get_variable("TITLE", g, l), "bola2");
+    assert_null(blogc_get_variable("BOLA", g, l));
+    sb_trie_free(g);
+}
+
+
+static void
+test_format_date(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "DATE_FORMAT", sb_strdup("%H -- %M"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "DATE_FORMAT", sb_strdup("%R"));
+    char *date = blogc_format_date("2015-01-02 03:04:05", g, l);
+    assert_string_equal(date, "03:04");
+    free(date);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_date_with_global_format(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "DATE_FORMAT", sb_strdup("%H -- %M"));
+    sb_trie_t *l = sb_trie_new(free);
+    char *date = blogc_format_date("2015-01-02 03:04:05", g, l);
+    assert_string_equal(date, "03 -- 04");
+    free(date);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_date_without_format(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_t *l = sb_trie_new(free);
+    char *date = blogc_format_date("2015-01-02 03:04:05", g, l);
+    assert_string_equal(date, "2015-01-02 03:04:05");
+    free(date);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_date_without_date(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_t *l = sb_trie_new(free);
+    char *date = blogc_format_date(NULL, g, l);
+    assert_null(date);
+    free(date);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_variable(void **state)
+{
+    // FIXME: test warnings
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "NAME", sb_strdup("bola"));
+    sb_trie_insert(g, "TITLE", sb_strdup("bola2"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "NAME", sb_strdup("chunda"));
+    sb_trie_insert(l, "TITLE", sb_strdup("chunda2"));
+    sb_trie_insert(l, "SIZE", sb_strdup("1234567890987654321"));
+    char *tmp = blogc_format_variable("NAME", g, l, NULL);
+    assert_string_equal(tmp, "chunda");
+    free(tmp);
+    tmp = blogc_format_variable("TITLE", g, l, NULL);
+    assert_string_equal(tmp, "chunda2");
+    free(tmp);
+    tmp = blogc_format_variable("TITLE_2", g, l, NULL);
+    assert_string_equal(tmp, "ch");
+    free(tmp);
+    tmp = blogc_format_variable("SIZE_12", g, l, NULL);
+    assert_string_equal(tmp, "123456789098");
+    free(tmp);
+    tmp = blogc_format_variable("SIZE_200", g, l, NULL);
+    assert_string_equal(tmp, "1234567890987654321");
+    free(tmp);
+    assert_null(blogc_format_variable("SIZE_", g, l, NULL));
+    assert_null(blogc_format_variable("BOLA", g, l, NULL));
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_variable_with_date(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "DATE", sb_strdup("2010-11-12 13:14:15"));
+    sb_trie_insert(g, "DATE_FORMAT", sb_strdup("%R"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "DATE", sb_strdup("2011-12-13 14:15:16"));
+    char *tmp = blogc_format_variable("DATE_FORMATTED", g, l, NULL);
+    assert_string_equal(tmp, "14:15");
+    free(tmp);
+    tmp = blogc_format_variable("DATE_FORMATTED_3", g, l, NULL);
+    assert_string_equal(tmp, "14:");
+    free(tmp);
+    tmp = blogc_format_variable("DATE_FORMATTED_10", g, l, NULL);
+    assert_string_equal(tmp, "14:15");
+    free(tmp);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_format_variable_foreach(void **state)
+{
+    sb_slist_t *l = NULL;
+    l = sb_slist_append(l, sb_strdup("asd"));
+    l = sb_slist_append(l, sb_strdup("qwe"));
+    l = sb_slist_append(l, sb_strdup("zxcvbn"));
+    char *tmp = blogc_format_variable("FOREACH_ITEM", NULL, NULL, l->next);
+    assert_string_equal(tmp, "qwe");
+    free(tmp);
+    tmp = blogc_format_variable("FOREACH_ITEM_4", NULL, NULL,
+        l->next->next);
+    assert_string_equal(tmp, "zxcv");
+    free(tmp);
+    tmp = blogc_format_variable("FOREACH_ITEM_10", NULL, NULL,
+        l->next->next);
+    assert_string_equal(tmp, "zxcvbn");
+    free(tmp);
+    sb_slist_free_full(l, free);
+}
+
+
+static void
+test_format_variable_foreach_empty(void **state)
+{
+    assert_null(blogc_format_variable("FOREACH_ITEM", NULL, NULL, NULL));
+    assert_null(blogc_format_variable("FOREACH_ITEM_4", NULL, NULL, NULL));
+}
+
+
+static void
+test_split_list_variable(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "TAGS", sb_strdup("asd  lol hehe"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "TAGS", sb_strdup("asd  lol XD"));
+    sb_slist_t *tmp = blogc_split_list_variable("TAGS", g, l);
+    assert_string_equal(tmp->data, "asd");
+    assert_string_equal(tmp->next->data, "lol");
+    assert_string_equal(tmp->next->next->data, "XD");
+    sb_slist_free_full(tmp, free);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+static void
+test_split_list_variable_not_found(void **state)
+{
+    sb_trie_t *g = sb_trie_new(free);
+    sb_trie_insert(g, "TAGS", sb_strdup("asd  lol hehe"));
+    sb_trie_t *l = sb_trie_new(free);
+    sb_trie_insert(l, "TAGS", sb_strdup("asd  lol XD"));
+    sb_slist_t *tmp = blogc_split_list_variable("TAG", g, l);
+    assert_null(tmp);
+    sb_trie_free(g);
+    sb_trie_free(l);
+}
+
+
+int
+main(void)
+{
+    const UnitTest tests[] = {
+        unit_test(test_render_entry),
+        unit_test(test_render_listing),
+        unit_test(test_render_listing_empty),
+        unit_test(test_render_ifdef),
+        unit_test(test_render_ifdef2),
+        unit_test(test_render_ifdef3),
+        unit_test(test_render_ifdef4),
+        unit_test(test_render_ifdef5),
+        unit_test(test_render_ifdef6),
+        unit_test(test_render_ifdef7),
+        unit_test(test_render_ifndef),
+        unit_test(test_render_if_eq),
+        unit_test(test_render_if_neq),
+        unit_test(test_render_if_lt),
+        unit_test(test_render_if_gt),
+        unit_test(test_render_if_lt_eq),
+        unit_test(test_render_if_gt_eq),
+        unit_test(test_render_foreach),
+        unit_test(test_render_foreach_if),
+        unit_test(test_render_foreach_if_else),
+        unit_test(test_render_null),
+        unit_test(test_render_outside_block),
+        unit_test(test_render_prefer_local_variable),
+        unit_test(test_render_respect_variable_scope),
+        unit_test(test_render_ifcount_bug),
+        unit_test(test_get_variable),
+        unit_test(test_get_variable_only_local),
+        unit_test(test_get_variable_only_global),
+        unit_test(test_format_date),
+        unit_test(test_format_date_with_global_format),
+        unit_test(test_format_date_without_format),
+        unit_test(test_format_date_without_date),
+        unit_test(test_format_variable),
+        unit_test(test_format_variable_with_date),
+        unit_test(test_format_variable_foreach),
+        unit_test(test_format_variable_foreach_empty),
+        unit_test(test_split_list_variable),
+        unit_test(test_split_list_variable_not_found),
+    };
+    return run_tests(tests);
+}