Sha256: 0eb712418d0b53ee6c730e1c8b19d59b8746113a57373b8d129657c738c47196
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Versions: 14
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Contents
module DeepCover
module Tools::BuiltinCoverage
require 'coverage'
def builtin_coverage(source, fn, lineno)
fn = File.absolute_path(File.expand_path(fn))
::Coverage.start
Tools.silence_warnings do
execute_sample ->{ run_with_line_coverage(source, fn, lineno)}
end
unshift_coverage(::Coverage.result.fetch(fn), lineno)
end
if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby'
# Executes the source as if it was in the specified file while
# builtin coverage information is still captured
def run_with_line_coverage(source, fn=nil, lineno=1)
source = shift_source(source, lineno)
Object.to_java.getRuntime.executeScript(source, fn)
end
else
# In ruby 2.0 and 2.1, using 2, 3 or 4 as lineno with RubyVM::InstructionSequence.compile
# will cause the coverage result to be truncated.
# 1: [1,2,nil,1]
# 2: [nil,1,2,nil]
# 3: [nil,nil,1,2]
# 4: [nil,nil,nil,1]
# 5: [nil,nil,nil,nil,1,2,nil,1]
# Using 1 and 5 or more do not seem to show this issue.
# The workaround is to create the fake lines manually and always use the default lineno
# Executes the source as if it was in the specified file while
# builtin coverage information is still captured
def run_with_line_coverage(source, fn=nil, lineno=1)
source = shift_source(source, lineno)
RubyVM::InstructionSequence.compile(source, fn).eval
end
end
private
def shift_source(source, lineno)
"\n" * (lineno - 1) + source
end
def unshift_coverage(coverage, lineno)
coverage[(lineno-1)..-1]
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems