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Make Lint/NotNilAfterNoBang report calls to #rindex

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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
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24
spec/ameba/rule/lint/not_nil_after_no_bang_spec.cr
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@ -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!