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170 lines
5.9 KiB
Crystal
170 lines
5.9 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Lint
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describe AmbiguousAssignment do
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subject = AmbiguousAssignment.new
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context "when using `-`" do
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it "registers an offense with `x`" do
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source = Source.new("x =- y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `-=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "registers an offense with `@x`" do
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source = Source.new("@x =- y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `-=`?"
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issue.location.to_s.should eq "source.cr:1:4"
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issue.end_location.to_s.should eq "source.cr:1:5"
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end
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it "registers an offense with `@@x`" do
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source = Source.new("@@x =- y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `-=`?"
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issue.location.to_s.should eq "source.cr:1:5"
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issue.end_location.to_s.should eq "source.cr:1:6"
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end
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it "registers an offense with `X`" do
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source = Source.new("X =- y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `-=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "does not register an offense when no mistype assignments" do
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subject.catch(Source.new(<<-CRYSTAL)).should be_valid
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x = 1
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x -= y
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x = -y
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CRYSTAL
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end
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end
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context "when using `+`" do
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it "registers an offense with `x`" do
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source = Source.new("x =+ y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `+=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "registers an offense with `@x`" do
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source = Source.new("@x =+ y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `+=`?"
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issue.location.to_s.should eq "source.cr:1:4"
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issue.end_location.to_s.should eq "source.cr:1:5"
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end
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it "registers an offense with `@@x`" do
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source = Source.new("@@x =+ y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `+=`?"
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issue.location.to_s.should eq "source.cr:1:5"
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issue.end_location.to_s.should eq "source.cr:1:6"
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end
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it "registers an offense with `X`" do
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source = Source.new("X =+ y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `+=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "does not register an offense when no mistype assignments" do
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subject.catch(Source.new(<<-CRYSTAL)).should be_valid
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x = 1
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x += y
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x = +y
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CRYSTAL
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end
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end
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context "when using `!`" do
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it "registers an offense with `x`" do
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source = Source.new("x =! y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `!=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "registers an offense with `@x`" do
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source = Source.new("@x =! y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `!=`?"
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issue.location.to_s.should eq "source.cr:1:4"
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issue.end_location.to_s.should eq "source.cr:1:5"
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end
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it "registers an offense with `@@x`" do
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source = Source.new("@@x =! y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `!=`?"
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issue.location.to_s.should eq "source.cr:1:5"
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issue.end_location.to_s.should eq "source.cr:1:6"
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end
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it "registers an offense with `X`" do
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source = Source.new("X =! y", "source.cr")
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subject.catch(source).should_not be_valid
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source.issues.size.should eq 1
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issue = source.issues.first
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issue.message.should eq "Suspicious assignment detected. Did you mean `!=`?"
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issue.location.to_s.should eq "source.cr:1:3"
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issue.end_location.to_s.should eq "source.cr:1:4"
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end
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it "does not register an offense when no mistype assignments" do
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subject.catch(Source.new(<<-CRYSTAL)).should be_valid
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x = false
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x != y
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x = !y
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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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