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39 lines
1 KiB
Crystal
39 lines
1 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Performance
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subject = AnyInsteadOfEmpty.new
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describe AnyInsteadOfEmpty do
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it "passes if there is no potential performance improvements" do
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expect_no_issues subject, <<-CRYSTAL
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[1, 2, 3].any?(&.zero?)
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[1, 2, 3].any?(String)
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[1, 2, 3].any?(1..3)
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[1, 2, 3].any? { |e| e > 1 }
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CRYSTAL
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end
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it "reports if there is any? call without a block nor argument" do
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expect_issue subject, <<-CRYSTAL
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[1, 2, 3].any?
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# ^^^^ error: Use `!{...}.empty?` instead of `{...}.any?`
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CRYSTAL
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end
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it "does not report if source is a spec" do
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expect_no_issues subject, <<-CRYSTAL, "source_spec.cr"
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[1, 2, 3].any?
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CRYSTAL
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end
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context "macro" do
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it "reports in macro scope" do
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expect_issue subject, <<-CRYSTAL
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{{ [1, 2, 3].any? }}
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# ^^^^ error: Use `!{...}.empty?` instead of `{...}.any?`
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CRYSTAL
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end
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end
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end
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end
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