mirror of
https://gitea.invidious.io/iv-org/shard-ameba.git
synced 2024-08-15 00:53:29 +00:00
40 lines
1.1 KiB
Crystal
40 lines
1.1 KiB
Crystal
require "../../../spec_helper"
|
|
|
|
module Ameba::Rule::Performance
|
|
subject = CompactAfterMap.new
|
|
|
|
describe CompactAfterMap do
|
|
it "passes if there is no potential performance improvements" do
|
|
expect_no_issues subject, <<-CRYSTAL
|
|
(1..3).compact_map(&.itself)
|
|
CRYSTAL
|
|
end
|
|
|
|
it "passes if there is map followed by a bang call" do
|
|
expect_no_issues subject, <<-CRYSTAL
|
|
(1..3).map(&.itself).compact!
|
|
CRYSTAL
|
|
end
|
|
|
|
it "reports if there is map followed by compact call" do
|
|
expect_issue subject, <<-CRYSTAL
|
|
(1..3).map(&.itself).compact
|
|
# ^^^^^^^^^^^^^^^^^^^^^ error: Use `compact_map {...}` instead of `map {...}.compact`
|
|
CRYSTAL
|
|
end
|
|
|
|
it "does not report if source is a spec" do
|
|
expect_no_issues subject, path: "source_spec.cr", code: <<-CRYSTAL
|
|
(1..3).map(&.itself).compact
|
|
CRYSTAL
|
|
end
|
|
|
|
context "macro" do
|
|
it "doesn't report in macro scope" do
|
|
expect_no_issues subject, <<-CRYSTAL
|
|
{{ [1, 2, 3].map(&.to_s).compact }}
|
|
CRYSTAL
|
|
end
|
|
end
|
|
end
|
|
end
|