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49 lines
1.3 KiB
Crystal
49 lines
1.3 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Lint
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subject = NotNil.new
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describe NotNil do
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it "passes for valid cases" do
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expect_no_issues subject, <<-CRYSTAL
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(1..3).first?.not_nil!(:foo)
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not_nil!
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CRYSTAL
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end
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it "reports if there is a `not_nil!` call" do
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expect_issue subject, <<-CRYSTAL
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(1..3).first?.not_nil!
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# ^^^^^^^^ error: Avoid using `not_nil!`
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CRYSTAL
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end
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it "reports if there is a `not_nil!` call in the middle of the call-chain" do
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expect_issue subject, <<-CRYSTAL
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(1..3).first?.not_nil!.to_s
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# ^^^^^^^^ error: Avoid using `not_nil!`
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CRYSTAL
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end
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context "macro" do
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it "doesn't report in macro scope" do
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expect_no_issues subject, <<-CRYSTAL
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{{ [1, 2, 3].first.not_nil! }}
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CRYSTAL
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end
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end
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it "reports rule, pos and message" do
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s = Source.new %(
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(1..3).first?.not_nil!
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), "source.cr"
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subject.catch(s).should_not be_valid
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issue = s.issues.first
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issue.rule.should_not be_nil
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issue.location.to_s.should eq "source.cr:1:15"
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issue.end_location.to_s.should eq "source.cr:1:22"
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issue.message.should eq "Avoid using `not_nil!`"
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end
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end
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end
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