3 files changed, 83 insertions, 0 deletions

diff --git a/test/command.c b/test/command.c
new file mode 100644
index 0000000..738f5f9
--- /dev/null
+++ b/test/command.c
@@ -0,0 +1,79 @@
+#include "assert.h"
+#include "test.h"
+
+#include "command.h"
+
+void test_command_registry_create() {
+  struct commands cmds = command_registry_create(10);
+
+  ASSERT(cmds.capacity == 10, "Expected capacity to be the specified value");
+  ASSERT(cmds.ncommands == 0,
+         "Expected number of commands to initially be empty");
+
+  command_registry_destroy(&cmds);
+}
+
+int32_t fake_command(struct command_ctx ctx, int argc, const char *argv[]) {
+  return 0;
+}
+
+struct commands single_fake_command(const char *name) {
+  struct commands cmds = command_registry_create(10);
+
+  struct command cmd = {
+      .fn = fake_command,
+      .name = name,
+      .userdata = NULL,
+  };
+  register_command(&cmds, cmd);
+
+  return cmds;
+}
+
+void test_register_command() {
+  struct commands cmds = command_registry_create(1);
+
+  struct command cmd = {
+      .fn = fake_command,
+      .name = "fake",
+      .userdata = NULL,
+  };
+  register_command(&cmds, cmd);
+
+  ASSERT(cmds.ncommands == 1,
+         "Expected number of commands to be 1 after inserting one");
+
+  struct command multi[] = {
+      {.fn = fake_command, .name = "fake1", .userdata = NULL},
+      {.fn = fake_command, .name = "fake2", .userdata = NULL},
+  };
+
+  register_commands(&cmds, multi, 2);
+  ASSERT(cmds.ncommands == 3,
+         "Expected number of commands to be 3 after inserting two more");
+  ASSERT(cmds.capacity > 1,
+         "Expected capacity to have increased to accommodate new commands");
+}
+
+void test_lookup_command() {
+  struct commands cmds = single_fake_command("fake");
+  struct command *cmd = lookup_command(&cmds, "fake");
+
+  ASSERT(cmd != NULL,
+         "Expected to be able to look up inserted command by name");
+  ASSERT_STR_EQ(cmd->name, "fake",
+                "Expected the found function to have the correct name");
+
+  struct command *also_cmd =
+      lookup_command_by_hash(&cmds, hash_command_name("fake"));
+  ASSERT(cmd != NULL,
+         "Expected to be able to look up inserted command by hash");
+  ASSERT_STR_EQ(cmd->name, "fake",
+                "Expected the found function to have the correct name");
+}
+
+void run_command_tests() {
+  run_test(test_command_registry_create);
+  run_test(test_register_command);
+  run_test(test_lookup_command);
+}
diff --git a/test/main.c b/test/main.c
index f124f0c..8102a58 100644
--- a/test/main.c
+++ b/test/main.c
@@ -19,6 +19,9 @@ int main() {
   printf("\n🕴️ \x1b[1;36mRunning buffer tests...\x1b[0m\n");
   run_buffer_tests();
 
+  printf("\n🐒 \x1b[1;36mRunning command tests...\x1b[0m\n");
+  run_command_tests();
+
   printf("\n🎉 \x1b[1;32mDone! All tests successful!\x1b[0m\n");
   return 0;
 }
diff --git a/test/test.h b/test/test.h
index ae6f22d..3fdcd0d 100644
--- a/test/test.h
+++ b/test/test.h
@@ -9,3 +9,4 @@
 void run_buffer_tests();
 void run_utf8_tests();
 void run_text_tests();
+void run_command_tests();