shard-ameba/spec/ameba/rule/lint/ambiguous_assignment_spec.cr

121 lines
3.2 KiB
Crystal

require "../../../spec_helper"
module Ameba::Rule::Lint
describe AmbiguousAssignment do
subject = AmbiguousAssignment.new
context "when using `-`" do
it "registers an offense with `x`" do
expect_issue subject, <<-CRYSTAL
x =- y
# ^^ error: Suspicious assignment detected. Did you mean `-=`?
CRYSTAL
end
it "registers an offense with `@x`" do
expect_issue subject, <<-CRYSTAL
@x =- y
# ^^ error: Suspicious assignment detected. Did you mean `-=`?
CRYSTAL
end
it "registers an offense with `@@x`" do
expect_issue subject, <<-CRYSTAL
@@x =- y
# ^^ error: Suspicious assignment detected. Did you mean `-=`?
CRYSTAL
end
it "registers an offense with `X`" do
expect_issue subject, <<-CRYSTAL
X =- y
# ^^ error: Suspicious assignment detected. Did you mean `-=`?
CRYSTAL
end
it "does not register an offense when no mistype assignments" do
expect_no_issues subject, <<-CRYSTAL
x = 1
x -= y
x = -y
CRYSTAL
end
end
context "when using `+`" do
it "registers an offense with `x`" do
expect_issue subject, <<-CRYSTAL
x =+ y
# ^^ error: Suspicious assignment detected. Did you mean `+=`?
CRYSTAL
end
it "registers an offense with `@x`" do
expect_issue subject, <<-CRYSTAL
@x =+ y
# ^^ error: Suspicious assignment detected. Did you mean `+=`?
CRYSTAL
end
it "registers an offense with `@@x`" do
expect_issue subject, <<-CRYSTAL
@@x =+ y
# ^^ error: Suspicious assignment detected. Did you mean `+=`?
CRYSTAL
end
it "registers an offense with `X`" do
expect_issue subject, <<-CRYSTAL
X =+ y
# ^^ error: Suspicious assignment detected. Did you mean `+=`?
CRYSTAL
end
it "does not register an offense when no mistype assignments" do
expect_no_issues subject, <<-CRYSTAL
x = 1
x += y
x = +y
CRYSTAL
end
end
context "when using `!`" do
it "registers an offense with `x`" do
expect_issue subject, <<-CRYSTAL
x =! y
# ^^ error: Suspicious assignment detected. Did you mean `!=`?
CRYSTAL
end
it "registers an offense with `@x`" do
expect_issue subject, <<-CRYSTAL
@x =! y
# ^^ error: Suspicious assignment detected. Did you mean `!=`?
CRYSTAL
end
it "registers an offense with `@@x`" do
expect_issue subject, <<-CRYSTAL
@@x =! y
# ^^ error: Suspicious assignment detected. Did you mean `!=`?
CRYSTAL
end
it "registers an offense with `X`" do
expect_issue subject, <<-CRYSTAL
X =! y
# ^^ error: Suspicious assignment detected. Did you mean `!=`?
CRYSTAL
end
it "does not register an offense when no mistype assignments" do
expect_no_issues subject, <<-CRYSTAL
x = false
x != y
x = !y
CRYSTAL
end
end
end
end