Class: Cornucopia::Util::LogCapture
- Inherits:
-
Object
- Object
- Cornucopia::Util::LogCapture
- Defined in:
- lib/cornucopia/util/log_capture.rb
Constant Summary collapse
- TAIL_BUF_LENGTH =
1 << 16
Class Method Summary collapse
- .backup_log_files(backup_folder) ⇒ Object
-
.capture_logs(report_table) ⇒ Object
This function will capture the logs and output them to the report.
- .copy_log_file(dest_folder, source_file) ⇒ Object
- .highlight_log_output(log_text) ⇒ Object
-
.output_log_file(report_table, log_file_name, options = {}) ⇒ Object
A cheap and sleazy tail function, but it should work…
Class Method Details
.backup_log_files(backup_folder) ⇒ Object
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# File 'lib/cornucopia/util/log_capture.rb', line 12 def backup_log_files(backup_folder) if Object.const_defined?("Rails") log_folder = Rails.root.to_s if (log_folder =~ /\/features\/?$/ || log_folder =~ /\/spec\/?$/) log_folder = File.join(log_folder, "../") end default_log_file = "log/#{Rails.env.to_s}.log" copy_log_file backup_folder, File.join(log_folder, default_log_file) else log_folder = FileUtils.pwd end Cornucopia::Util::Configuration.user_log_files.each do |relative_log_file, | copy_log_file backup_folder, File.join(log_folder, relative_log_file) end end |
.capture_logs(report_table) ⇒ Object
This function will capture the logs and output them to the report
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# File 'lib/cornucopia/util/log_capture.rb', line 49 def capture_logs(report_table) if report_table if Object.const_defined?("Rails") log_folder = Rails.root.to_s if (log_folder =~ /\/features\/?$/ || log_folder =~ /\/spec\/?$/) log_folder = File.join(log_folder, "../") end default_log_file = "log/#{Rails.env.to_s}.log" output_log_file(report_table, File.join(log_folder, default_log_file)) else log_folder = FileUtils.pwd end Cornucopia::Util::Configuration.user_log_files.each do |relative_log_file, | output_log_file(report_table, File.join(log_folder, relative_log_file), ) end else Cornucopia::Util::ReportBuilder.current_report.within_section("Log Dump:") do |report| report.within_table do |new_report_table| Cornucopia::Util::LogCapture.capture_logs new_report_table end end end end |
.copy_log_file(dest_folder, source_file) ⇒ Object
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# File 'lib/cornucopia/util/log_capture.rb', line 31 def copy_log_file(dest_folder, source_file) extension = File.extname(source_file) file_name = File.basename(source_file, extension) dest_name = File.join(dest_folder, "#{file_name}#{extension}") index = 0 while File.exist?(dest_name) index += 1 dest_name = File.join(dest_folder, "#{file_name}_#{index}#{extension}") end if File.exist?(source_file) FileUtils.mkdir_p File.dirname(dest_name) FileUtils.cp source_file, dest_name end end |
.highlight_log_output(log_text) ⇒ Object
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# File 'lib/cornucopia/util/log_capture.rb', line 76 def highlight_log_output(log_text) output_text = Cornucopia::Util::ReportBuilder.format_code_refs(log_text) output_text = output_text.gsub(/^(Completed [^23].*)$/, "<span class=\"completed-error\">\\1<\/span>") output_text = output_text.gsub(/^(Completed [23].*)$/, "<span class=\"completed-other\">\\1<\/span>") output_text.html_safe end |
.output_log_file(report_table, log_file_name, options = {}) ⇒ Object
A cheap and sleazy tail function, but it should work…
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# File 'lib/cornucopia/util/log_capture.rb', line 85 def output_log_file(report_table, log_file_name, = {}) if File.exist?(log_file_name) output_file = false .reverse_merge!({ num_lines: Cornucopia::Util::Configuration.num_lines }) num_lines = [:num_lines] || Cornucopia::Util::Configuration.num_lines num_lines = Cornucopia::Util::Configuration.num_lines if num_lines <= 0 log_buffer = "".dup file_size = File.size(log_file_name) File.open(log_file_name) do |log_file| seek_len = [file_size, TAIL_BUF_LENGTH].min log_file.seek(-seek_len, IO::SEEK_END) while (log_buffer.count("\n") <= num_lines) log_buffer = log_file.read(seek_len) + log_buffer file_size -= seek_len seek_len = [file_size, TAIL_BUF_LENGTH].min break if seek_len <= 0 log_file.seek(-seek_len - TAIL_BUF_LENGTH, IO::SEEK_CUR) end end if log_buffer log_buffer = log_buffer.split("\n") if (log_buffer.length > num_lines) log_buffer = log_buffer[-num_lines..-1] end report_table.write_stats File.basename(log_file_name), Cornucopia::Util::PrettyFormatter.format_string( Cornucopia::Util::LogCapture.highlight_log_output( "log_file - #{log_file_name}:#{file_size}\n#{log_buffer.join("\n")}" ) ), do_not_pretty_print: true output_file = true end output_file end end |