[Tarantool-patches] [PATCH 11/19] Fix luacheck warnings in test/sql

[sergeyb@tarantool.org]

From: Sergey Bronnikov <sergeyb@tarantool.org>

Part of #4681

Reviewed-by: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Reviewed-by: Igor Munkin <imun@tarantool.org>
---
 .luacheckrc                    | 36 +++++++++++++++++++++++++++++++++-
 test/sql/lua/sql_tokenizer.lua |  2 +-
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/.luacheckrc b/.luacheckrc
index 789958fc8..646c844d6 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -45,7 +45,7 @@ exclude_files = {
     "test/engine_long/*.test.lua",
     "test/replication/*.test.lua",
     "test/sql-tap/**/*.lua",
-    "test/sql/**/*.lua",
+    "test/sql/*.test.lua",
     "test/swim/**/*.lua",
     "test/var/**/*.lua",
     "test/vinyl/**/*.lua",
@@ -202,3 +202,37 @@ files["test/replication/lua/fast_replica.lua"] = {
         "wait_all",
     },
 }
+files["test/sql-tap/*.lua"] = {
+    ignore = {
+        -- Setting an undefined global variable.
+        -- https://github.com/tarantool/tarantool/issues/5173
+        "111",
+        -- Accessing an undefined global variable.
+        -- https://github.com/tarantool/tarantool/issues/5174
+        "113",
+        -- Unused local variable.
+        -- https://github.com/tarantool/tarantool/issues/5175
+        "211",
+        -- A line consists of nothing but whitespace.
+        -- https://github.com/tarantool/tarantool/issues/5176
+        "611",
+        -- A line contains trailing whitespace.
+        -- https://github.com/tarantool/tarantool/issues/5177
+        "612",
+        -- Trailing whitespace in a string.
+        -- https://github.com/tarantool/tarantool/issues/5178
+        "613",
+        -- Trailing whitespace in a comment.
+        -- https://github.com/tarantool/tarantool/issues/5179
+        "614",
+        -- Inconsistent indentation (SPACE followed by TAB).
+        -- https://github.com/tarantool/tarantool/issues/5180
+        "621",
+        -- Line is too long.
+        -- https://github.com/tarantool/tarantool/issues/5181
+        "631"
+    }
+}
+files["test/sql-tap/lua/sqltester.lua"] = {
+    globals = {"table_match_regex_p"}
+}
diff --git a/test/sql/lua/sql_tokenizer.lua b/test/sql/lua/sql_tokenizer.lua
index 9922d792d..ffe4fb4e8 100644
--- a/test/sql/lua/sql_tokenizer.lua
+++ b/test/sql/lua/sql_tokenizer.lua
@@ -134,7 +134,7 @@ end
 -- @retval Token type. If the rest of the SQL request consists of
 --         spaces and comments, then return TK_EMPTY.
 local function get_next_token(context)
-    local c = ''
+    local c
     repeat
         local i = context.offset
         c = context.sql:sub(i, i)
-- 
2.26.2