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# frozen_string_literal: true
require "helper"
require "simplecov/lines_classifier"
describe SimpleCov::LinesClassifier do
describe "#classify" do
describe "relevant lines" do
it "determines code as relevant" do
classified_lines = subject.classify [
"module Foo",
" class Baz",
" def Bar",
" puts 'hi'",
" end",
" end",
"end"
]
expect(classified_lines.length).to eq 7
expect(classified_lines).to all be_relevant
end
it "determines invalid UTF-8 byte sequences as relevant" do
classified_lines = subject.classify [
"bytes = \"\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\""
]
expect(classified_lines.length).to eq 1
expect(classified_lines).to all be_relevant
end
end
describe "not-relevant lines" do
it "determines whitespace is not-relevant" do
classified_lines = subject.classify [
"",
" ",
"\t\t"
]
expect(classified_lines.length).to eq 3
expect(classified_lines).to all be_irrelevant
end
describe "comments" do
it "determines comments are not-relevant" do
classified_lines = subject.classify [
"#Comment",
" # Leading space comment",
"\t# Leading tab comment"
]
expect(classified_lines.length).to eq 3
expect(classified_lines).to all be_irrelevant
end
it "doesn't mistake interpolation as a comment" do
classified_lines = subject.classify [
'puts "#{var}"' # rubocop:disable Lint/InterpolationCheck
]
expect(classified_lines.length).to eq 1
expect(classified_lines).to all be_relevant
end
end
describe ":nocov: blocks" do
it "determines :nocov: blocks are not-relevant" do
classified_lines = subject.classify [
"# :nocov:",
"def hi",
"end",
"# :nocov:"
]
expect(classified_lines.length).to eq 4
expect(classified_lines).to all be_irrelevant
end
it "determines all lines after a non-closing :nocov: as not-relevant" do
classified_lines = subject.classify [
"# :nocov:",
"puts 'Not relevant'",
"# :nocov:",
"puts 'Relevant again'",
"puts 'Still relevant'",
"# :nocov:",
"puts 'Not relevant till the end'",
"puts 'Ditto'"
]
expect(classified_lines.length).to eq 8
expect(classified_lines[0..2]).to all be_irrelevant
expect(classified_lines[3..4]).to all be_relevant
expect(classified_lines[5..7]).to all be_irrelevant
end
end
end
end
RSpec::Matchers.define :be_relevant do
match do |actual|
actual == SimpleCov::LinesClassifier::RELEVANT
end
end
RSpec::Matchers.define :be_irrelevant do
match do |actual|
actual == SimpleCov::LinesClassifier::NOT_RELEVANT
end
end
end
|
