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Merge pull request #323 from crystal-ameba/Sija/lint-not-nil-after-no-bang-reports-rindex-calls

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Make `Lint/NotNilAfterNoBang` report calls to `#rindex`
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Sijawusz Pur Rahnama 2023-05-01 11:16:42 +02:00 • committed by GitHub
commit 14f6ba0c0b
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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!