Add extensible logging API

2 files changed, 147 insertions, 0 deletions

diff --git a/test/meson.build b/test/meson.build
index 222ec1bc..4d9d2b43 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -10,6 +10,7 @@ unit_tests = [
   'caret',
   'env',
   'free_null',
+  'log',
   'node',
   'nodes',
   'overflow',
@@ -102,6 +103,24 @@ if get_option('utils')
          suite: ['serdi', 'options'])
   endforeach
 
+  test('ansi_clicolor_force',
+       serdi,
+       args: files('bad/bad-lang.ttl'),
+       env: test_env + ['CLICOLOR_FORCE=1'],
+       should_fail: true)
+
+  test('ansi_clicolor_off',
+       serdi,
+       args: files('bad/bad-lang.ttl'),
+       env: test_env + ['CLICOLOR=0'],
+       should_fail: true)
+
+  test('ansi_no_color',
+       serdi,
+       args: files('bad/bad-lang.ttl'),
+       env: test_env + ['NO_COLOR=1'],
+       should_fail: true)
+
   test('none',
        serdi,
        env: test_env,
diff --git a/test/test_log.c b/test/test_log.c
new file mode 100644
index 00000000..88d14dc6
--- /dev/null
+++ b/test/test_log.c
@@ -0,0 +1,128 @@
+/*
+  Copyright 2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "serd/serd.h"
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+
+static SerdStatus
+custom_log_func(void* const               handle,
+                const SerdLogLevel        level,
+                const size_t              n_fields,
+                const SerdLogField* const fields,
+                const SerdStringView      message)
+{
+  (void)message;
+
+  bool* const called = (bool*)handle;
+
+  assert(level == SERD_LOG_LEVEL_NOTICE);
+  assert(n_fields == 1);
+  assert(!strcmp(fields[0].key, "TEST_KEY"));
+  assert(!strcmp(fields[0].value, "TEST VALUE"));
+  assert(!strcmp(message.buf, "test message 42"));
+  assert(message.len == strlen("test message 42"));
+
+  *called = true;
+  return SERD_SUCCESS;
+}
+
+static void
+test_bad_arg(void)
+{
+  SerdWorld* const world  = serd_world_new();
+  bool             called = false;
+
+  serd_set_log_func(world, custom_log_func, &called);
+
+  assert(serd_logf(world, SERD_LOG_LEVEL_ERROR, "%s", "") == SERD_ERR_BAD_ARG);
+
+  serd_world_free(world);
+}
+
+static void
+test_default_log(void)
+{
+  SerdWorld* const world = serd_world_new();
+
+  for (unsigned i = 0; i <= SERD_LOG_LEVEL_DEBUG; ++i) {
+    const SerdLogLevel level = (SerdLogLevel)i;
+
+    assert(!serd_logf(world, level, "test"));
+  }
+
+  serd_world_free(world);
+}
+
+static void
+test_custom_log(void)
+{
+  SerdWorld* const world  = serd_world_new();
+  bool             called = false;
+
+  serd_set_log_func(world, custom_log_func, &called);
+
+  const SerdLogField fields[1] = {{"TEST_KEY", "TEST VALUE"}};
+  assert(!serd_xlogf(
+    world, SERD_LOG_LEVEL_NOTICE, 1, fields, "test message %d", 42));
+
+  assert(called);
+  serd_world_free(world);
+}
+
+static void
+test_caret(void)
+{
+  SerdWorld* const world = serd_world_new();
+  SerdNode* const  name  = serd_new_string(SERD_STRING("filename"));
+  SerdCaret* const caret = serd_caret_new(name, 46, 2);
+
+  serd_logf_at(world, SERD_LOG_LEVEL_NOTICE, caret, "is just ahead of me");
+  serd_logf_at(world, SERD_LOG_LEVEL_NOTICE, NULL, "isn't");
+
+  serd_caret_free(caret);
+  serd_node_free(name);
+  serd_world_free(world);
+}
+
+static void
+test_filename_only(void)
+{
+  SerdWorld* const world = serd_world_new();
+
+  const SerdLogField fields[2] = {{"TEST_KEY", "TEST VALUE"},
+                                  {"SERD_FILE", "somename"}};
+
+  assert(!serd_xlogf(world, SERD_LOG_LEVEL_INFO, 2, fields, "no numbers here"));
+
+  serd_world_free(world);
+}
+
+int
+main(void)
+{
+  test_bad_arg();
+  test_default_log();
+  test_custom_log();
+  test_caret();
+  test_filename_only();
+
+  return 0;
+}