From 456bdeef35ffbfbdad7609e8b8a4ef71372786fd Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 13 Jan 2021 20:00:25 +0100
Subject: [WIP] Add extensible logging API

---
 test/test_log.c | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 test/test_log.c

(limited to 'test/test_log.c')

diff --git a/test/test_log.c b/test/test_log.c
new file mode 100644
index 00000000..3ab2008f
--- /dev/null
+++ b/test/test_log.c
@@ -0,0 +1,121 @@
+// Copyright 2021 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#undef NDEBUG
+
+#include "serd/caret.h"
+#include "serd/log.h"
+#include "serd/node.h"
+#include "serd/status.h"
+#include "serd/string_view.h"
+#include "serd/world.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.data, "test message 42"));
+  assert(message.length == 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_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[3] = {{"TEST_KEY", "TEST VALUE"},
+                                  {"SERD_FILE", "somename"},
+                                  {"SERD_CHECK", "somecheck"}};
+
+  assert(!serd_xlogf(world, SERD_LOG_LEVEL_INFO, 3, 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;
+}
-- 
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