iv-org-mirror/shard-ameba
1
0
Fork 0
mirror of https://gitea.invidious.io/iv-org/shard-ameba.git synced 2024-08-15 00:53:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

Make Lint/NotNilAfterNoBang report calls to #rindex

Browse source
This commit is contained in:
Sijawusz Pur Rahnama 2022-12-18 20:17:06 +01:00
parent e58f90009f
commit ce4dd7236a
2 changed files with 29 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
spec/ameba/rule/lint/not_nil_after_no_bang_spec.cr
View file

@ -7,7 +7,9 @@ module Ameba::Rule::Lint
it "passes for valid cases" do
expect_no_issues subject, <<-CRYSTAL
(1..3).index(1).not_nil!(:foo)
(1..3).rindex(1).not_nil!(:foo)
(1..3).index { |i| i > 2 }.not_nil!(:foo)
(1..3).rindex { |i| i > 2 }.not_nil!(:foo)
(1..3).find { |i| i > 2 }.not_nil!(:foo)
CRYSTAL
end
@ -23,6 +25,17 @@ module Ameba::Rule::Lint
CRYSTAL
end
it "reports if there is an `rindex` call followed by `not_nil!`" do
source = expect_issue subject, <<-CRYSTAL
(1..3).rindex(1).not_nil!
# ^^^^^^^^^^^^^^^^^^ error: Use `rindex! {...}` instead of `rindex {...}.not_nil!`
CRYSTAL
expect_correction source, <<-CRYSTAL
(1..3).rindex!(1)
CRYSTAL
end
it "reports if there is an `index` call with block followed by `not_nil!`" do
source = expect_issue subject, <<-CRYSTAL
(1..3).index { |i| i > 2 }.not_nil!
@ -34,6 +47,17 @@ module Ameba::Rule::Lint
CRYSTAL
end
it "reports if there is an `rindex` call with block followed by `not_nil!`" do
source = expect_issue subject, <<-CRYSTAL
(1..3).rindex { |i| i > 2 }.not_nil!
# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: Use `rindex! {...}` instead of `rindex {...}.not_nil!`
CRYSTAL
expect_correction source, <<-CRYSTAL
(1..3).rindex! { |i| i > 2 }
CRYSTAL
end
it "reports if there is a `find` call with block followed by `not_nil!`" do
source = expect_issue subject, <<-CRYSTAL
(1..3).find { |i| i > 2 }.not_nil!

9
src/ameba/rule/lint/not_nil_after_no_bang.cr
View file

@ -1,5 +1,6 @@
module Ameba::Rule::Lint
# This rule is used to identify usage of `index/find` calls followed by `not_nil!`.
# This rule is used to identify usage of `index/rindex/find` calls
# followed by a call to `not_nil!`.
#
# For example, this is considered a code smell:
#
@ -23,11 +24,11 @@ module Ameba::Rule::Lint
include AST::Util
properties do
description "Identifies usage of `index/find` calls followed by `not_nil!`"
description "Identifies usage of `index/rindex/find` calls followed by `not_nil!`"
end
BLOCK_CALL_NAMES = %w(index find)
CALL_NAMES = %w(index)
BLOCK_CALL_NAMES = %w(index rindex find)
CALL_NAMES = %w(index rindex)
NOT_NIL_NAME = "not_nil!"
MSG = "Use `%s! {...}` instead of `%s {...}.not_nil!`"