From bf852b419f28f03db788d7ba8c131d9d53592eb7 Mon Sep 17 00:00:00 2001
From: Serge Petrenko <sergepetrenko@tarantool.org>
Date: Mon, 8 Aug 2022 15:49:30 +0300
Subject: [PATCH] core: add a test for recursive trigger invocation
Our triggers support recursive invocation: for example, an on_replace
trigger on a space may do a replace in the same space.
However, this is not tested and might get broken easily. Let's add a
corresponding test.
In-scope-of #4264
NO_DOC=testing
NO_CHANGELOG=testing
---
.../gh_4264_recursive_trigger_test.lua | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 test/box-luatest/gh_4264_recursive_trigger_test.lua
diff --git a/test/box-luatest/gh_4264_recursive_trigger_test.lua b/test/box-luatest/gh_4264_recursive_trigger_test.lua
new file mode 100644
index 0000000000..888b9b3135
--- /dev/null
+++ b/test/box-luatest/gh_4264_recursive_trigger_test.lua
@@ -0,0 +1,43 @@
+local t = require('luatest')
+local server = require('test.luatest_helpers.server')
+
+local g = t.group('gh-4264')
+
+g.before_all(function(cg)
+ cg.server = server:new{alias = 'server'}
+ cg.server:start()
+ cg.server:exec(function()
+ local s = box.schema.space.create('test')
+ s:create_index('pk')
+ end)
+end)
+
+g.after_all(function(cg)
+ cg.server:drop()
+end)
+
+g.test_recursive_trigger_invocation = function(cg)
+ local order = cg.server:exec(function()
+ local order = {}
+ local level = 0
+ local s = box.space.test
+ local f1 = function()
+ level = level + 1
+ table.insert(order, level * 10 + 1)
+ if level >= 3 then
+ return
+ end
+ s:replace{1}
+ level = level - 1
+ end
+ local f2 = function()
+ table.insert(order, level * 10 + 2)
+ end
+ s:on_replace(f2)
+ s:on_replace(f1)
+ s:replace{1}
+ return order
+ end)
+ t.assert_equals(order, {11, 21, 31, 32, 22, 12},
+ "Correct recursive trigger invocation")
+end
--
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