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-rw-r--r--spec/util_uuid_spec.lua25
1 files changed, 25 insertions, 0 deletions
diff --git a/spec/util_uuid_spec.lua b/spec/util_uuid_spec.lua
new file mode 100644
index 00000000..95ae0a20
--- /dev/null
+++ b/spec/util_uuid_spec.lua
@@ -0,0 +1,25 @@
+-- This tests the format, not the randomness
+
+local uuid = require "util.uuid";
+
+describe("util.uuid", function()
+ describe("#generate()", function()
+ it("should work follow the UUID pattern", function()
+ -- https://tools.ietf.org/html/rfc4122#section-4.4
+
+ local pattern = "^" .. table.concat({
+ string.rep("%x", 8),
+ string.rep("%x", 4),
+ "4" .. -- version
+ string.rep("%x", 3),
+ "[89ab]" .. -- reserved bits of 1 and 0
+ string.rep("%x", 3),
+ string.rep("%x", 12),
+ }, "%-") .. "$";
+
+ for _ = 1, 100 do
+ assert.is_string(uuid.generate():match(pattern));
+ end
+ end);
+ end);
+end);