2015-12-16 00:07:31 -05:00
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# frozen_string_literal: false
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2010-08-14 07:59:35 -04:00
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require "test/unit"
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require "coverage"
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2011-06-13 12:12:52 -04:00
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require "tmpdir"
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2010-08-14 07:59:35 -04:00
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class TestCoverage < Test::Unit::TestCase
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def test_result_without_start
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assert_raise(RuntimeError) {Coverage.result}
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end
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2015-11-25 19:48:56 -05:00
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def test_peek_result_without_start
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assert_raise(RuntimeError) {Coverage.peek_result}
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end
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2010-08-14 07:59:35 -04:00
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def test_result_with_nothing
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Coverage.start
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result = Coverage.result
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assert_kind_of(Hash, result)
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result.each do |key, val|
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assert_kind_of(String, key)
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assert_kind_of(Array, val)
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end
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end
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2011-07-04 11:55:06 -04:00
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2015-02-13 10:53:47 -05:00
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def test_coverage_snapshot
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loaded_features = $".dup
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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f.puts <<-EOS
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2016-04-11 01:13:31 -04:00
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def TestCoverage.coverage_test_snapshot
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2015-02-13 10:53:47 -05:00
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:ok
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end
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EOS
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end
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Coverage.start
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require tmp + '/test.rb'
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cov = Coverage.peek_result[tmp + '/test.rb']
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2016-04-11 01:13:31 -04:00
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TestCoverage.coverage_test_snapshot
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2015-02-13 10:53:47 -05:00
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cov2 = Coverage.peek_result[tmp + '/test.rb']
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assert_equal cov[1] + 1, cov2[1]
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assert_equal cov2, Coverage.result[tmp + '/test.rb']
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}
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}
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ensure
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$".replace loaded_features
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end
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2011-07-04 11:55:06 -04:00
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def test_restarting_coverage
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loaded_features = $".dup
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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f.puts <<-EOS
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2016-04-11 01:13:31 -04:00
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def TestCoverage.coverage_test_restarting
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2011-07-04 11:55:06 -04:00
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:ok
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end
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EOS
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end
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2015-11-25 19:51:03 -05:00
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File.open("test2.rb", "w") do |f|
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f.puts <<-EOS
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2016-04-11 01:13:31 -04:00
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itself
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2015-11-25 19:51:03 -05:00
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EOS
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end
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2011-07-04 11:55:06 -04:00
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Coverage.start
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require tmp + '/test.rb'
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2016-04-06 10:29:17 -04:00
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cov = { "#{tmp}/test.rb" => [1, 0, nil] }
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assert_equal cov, Coverage.result
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2015-11-25 19:51:03 -05:00
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# Restart coverage but '/test.rb' is required before restart,
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# so coverage is not recorded.
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2011-07-04 11:55:06 -04:00
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Coverage.start
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2016-04-11 01:13:31 -04:00
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TestCoverage.coverage_test_restarting
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2016-04-06 10:29:17 -04:00
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assert_equal({}, Coverage.result)
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2015-11-25 19:51:03 -05:00
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# Restart coverage and '/test2.rb' is required after restart,
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# so coverage is recorded.
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Coverage.start
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require tmp + '/test2.rb'
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2016-04-06 10:29:17 -04:00
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cov = { "#{tmp}/test2.rb" => [1] }
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assert_equal cov, Coverage.result
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2011-08-23 11:44:26 -04:00
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}
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}
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ensure
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$".replace loaded_features
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end
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def test_big_code
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loaded_features = $".dup
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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2013-08-08 12:27:08 -04:00
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f.puts "__id__\n" * 10000
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2011-08-23 11:44:26 -04:00
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f.puts "def ignore(x); end"
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f.puts "ignore([1"
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f.puts "])"
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end
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Coverage.start
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require tmp + '/test.rb'
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assert_equal 10003, Coverage.result[tmp + '/test.rb'].size
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2011-07-04 11:55:06 -04:00
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}
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}
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ensure
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$".replace loaded_features
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end
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2016-06-26 19:56:57 -04:00
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def test_nonpositive_linenumber
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bug12517 = '[ruby-core:76141] [Bug #12517]'
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Coverage.start
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assert_nothing_raised(ArgumentError, bug12517) do
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RubyVM::InstructionSequence.compile(":ok", nil, "<compiled>", 0)
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end
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assert_include Coverage.result, "<compiled>"
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end
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2016-01-03 20:14:45 -05:00
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end unless ENV['COVERAGE']
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