Revert to 3.0.0

.travis.yml

@@ -1,8 +1,48 @@
-sudo: false
-language: ruby
-rvm:
-  - 2.3.6
-  - 2.4.3
-  - 2.5.0
-  - ruby-head
-before_install: gem install bundler
+notifications:
+  webhooks:
+    - https://webhook.commit-email.info/
+
+env:
+  global:
+    - CC_TEST_REPORTER_ID=7e9fdb9b0066c819e6f0554e4ac81255f4f01d8da2a42ac1152402797e927401
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - ./cc-test-reporter before-build
+after_script:
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+
+matrix:
+  include:
+    - name: "2.3"
+      rvm: 2.3
+    - name: "2.4"
+      rvm: 2.4.5
+    - name: "2.5"
+      rvm: 2.5.2
+    - name: "2.6"
+      rvm: 2.6
+    - name: "trunk"
+      rvm: ruby-head
+    - name: "scanner"
+      rvm: 2.6
+      env:
+        - CSV_PARSER_SCANNER_TEST=yes
+    - name: "benchmark"
+      rvm: 2.6
+      install:
+        - bundle install --jobs=3 --retry=3
+        - gem install csv -v 3.0.1
+        - gem install csv -v 3.0.2
+      script:
+        - bundle exec rake benchmark
+    - name: "gem"
+      rvm: 2.6
+      install:
+        - rake install
+        - gem install simplecov
+      script:
+        - mkdir -p tmp
+        - cd tmp
+        - cp -a ../test/ ./
+        - ../run-test.rb

NEWS.md

@@ -0,0 +1,246 @@
+# News
+
+## 3.0.3 - 2019-01-12
+
+### Improvements
+
+  * Migrated benchmark tool to benchmark-driver from benchmark-ips.
+    [GitHub#57][Patch by 284km]
+
+  * Added `liberal_parsing: {double_quote_outside_quote: true}` parse
+    option.
+    [GitHub#66][Reported by Watson]
+
+  * Added `quote_empty:` write option.
+    [GitHub#35][Reported by Dave Myron]
+
+### Fixes
+
+  * Fixed a compatibility bug that `CSV.generate` always return
+    `ASCII-8BIT` encoding string.
+    [GitHub#63][Patch by Watson]
+
+  * Fixed a compatibility bug that `CSV.parse("", headers: true)`
+    doesn't return `CSV::Table`.
+    [GitHub#64][Reported by Watson][Patch by 284km]
+
+  * Fixed a compatibility bug that multiple-characters column
+    separator doesn't work.
+    [GitHub#67][Reported by Jesse Reiss]
+
+  * Fixed a compatibility bug that double `#each` parse twice.
+    [GitHub#68][Reported by Max Schwenk]
+
+### Thanks
+
+  * Watson
+
+  * 284km
+
+  * Jesse Reiss
+
+  * Dave Myron
+
+  * Max Schwenk
+
+## 3.0.2 - 2018-12-23
+
+### Improvements
+
+  * Changed to use strscan in parser.
+    [GitHub#52][Patch by 284km]
+
+  * Improves CSV write performance.
+    3.0.2 will be about 2 times faster than 3.0.1.
+
+  * Improves CSV parse performance for complex case.
+    3.0.2 will be about 2 times faster than 3.0.1.
+
+### Fixes
+
+  * Fixed a parse error bug for new line only input with `headers` option.
+    [GitHub#53][Reported by Chris Beer]
+
+  * Fixed some typos in document.
+    [GitHub#54][Patch by Victor Shepelev]
+
+### Thanks
+
+  * 284km
+
+  * Chris Beer
+
+  * Victor Shepelev
+
+## 3.0.1 - 2018-12-07
+
+### Improvements
+
+  * Added a test.
+    [GitHub#38][Patch by 284km]
+
+  * `CSV::Row#dup`: Changed to duplicate internal data.
+    [GitHub#39][Reported by André Guimarães Sakata]
+
+  * Documented `:nil_value` and `:empty_value` options.
+    [GitHub#41][Patch by OwlWorks]
+
+  * Added support for separator detection for non-seekable inputs.
+    [GitHub#45][Patch by Ilmari Karonen]
+
+  * Removed needless code.
+    [GitHub#48][Patch by Espartaco Palma]
+
+  * Added support for parsing header only CSV with `headers: true`.
+    [GitHub#47][Patch by Kazuma Shibasaka]
+
+  * Added support for coverage report in CI.
+    [GitHub#48][Patch by Espartaco Palma]
+
+  * Improved auto CR row separator detection.
+    [GitHub#51][Reported by Yuki Kurihara]
+
+### Fixes
+
+  * Fixed a typo in document.
+    [GitHub#40][Patch by Marcus Stollsteimer]
+
+### Thanks
+
+  * 284km
+
+  * André Guimarães Sakata
+
+  * Marcus Stollsteimer
+
+  * OwlWorks
+
+  * Ilmari Karonen
+
+  * Espartaco Palma
+
+  * Kazuma Shibasaka
+
+  * Yuki Kurihara
+
+## 3.0.0 - 2018-06-06
+
+### Fixes
+
+  * Fixed a bug that header isn't returned for empty row.
+    [GitHub#37][Patch by Grace Lee]
+
+### Thanks
+
+  * Grace Lee
+
+## 1.0.2 - 2018-05-03
+
+### Improvements
+
+  * Split file for CSV::VERSION
+
+  * Code cleanup: Split csv.rb into a more manageable structure
+    [GitHub#19][Patch by Espartaco Palma]
+    [GitHub#20][Patch by Steven Daniels]
+
+  * Use CSV::MalformedCSVError for invalid encoding line
+    [GitHub#26][Reported by deepj]
+
+  * Support implicit Row <-> Array conversion
+    [Bug #10013][ruby-core:63582][Reported by Dawid Janczak]
+
+  * Update class docs
+    [GitHub#32][Patch by zverok]
+
+  * Add `Row#each_pair`
+    [GitHub#33][Patch by zverok]
+
+  * Improve CSV performance
+    [GitHub#30][Patch by Watson]
+
+  * Add :nil_value and :empty_value option
+
+### Fixes
+
+  * Fix a bug that "bom|utf-8" doesn't work
+    [GitHub#23][Reported by Pavel Lobashov]
+
+  * `CSV::Row#to_h`, `#to_hash`: uses the same value as `Row#[]`
+    [Bug #14482][Reported by tomoya ishida]
+
+  * Make row separator detection more robust
+    [GitHub#25][Reported by deepj]
+
+  * Fix a bug that too much separator when col_sep is `" "`
+    [Bug #8784][ruby-core:63582][Reported by Sylvain Laperche]
+
+### Thanks
+
+  * Espartaco Palma
+
+  * Steven Daniels
+
+  * deepj
+
+  * Dawid Janczak
+
+  * zverok
+
+  * Watson
+
+  * Pavel Lobashov
+
+  * tomoya ishida
+
+  * Sylvain Laperche
+
+  * Ryunosuke Sato
+
+## 1.0.1 - 2018-02-09
+
+### Improvements
+
+  * `CSV::Table#delete`: Added bulk delete support. You can delete
+    multiple rows and columns at once.
+    [GitHub#4][Patch by Vladislav]
+
+  * Updated Gem description.
+    [GitHub#11][Patch by Marcus Stollsteimer]
+
+  * Code cleanup.
+    [GitHub#12][Patch by Marcus Stollsteimer]
+    [GitHub#14][Patch by Steven Daniels]
+    [GitHub#18][Patch by takkanm]
+
+  * `CSV::Table#dig`: Added.
+    [GitHub#15][Patch by Tomohiro Ogoke]
+
+  * `CSV::Row#dig`: Added.
+    [GitHub#15][Patch by Tomohiro Ogoke]
+
+  * Added ISO 8601 support to date time converter.
+    [GitHub#16]
+
+### Fixes
+
+  * Fixed wrong `CSV::VERSION`.
+    [GitHub#10][Reported by Marcus Stollsteimer]
+
+  * `CSV.generate`: Fixed a regression bug that `String` argument is
+    ignored.
+    [GitHub#13][Patch by pavel]
+
+### Thanks
+
+  * Vladislav
+
+  * Marcus Stollsteimer
+
+  * Steven Daniels
+
+  * takkanm
+
+  * Tomohiro Ogoke
+
+  * pavel

README.md

@@ -1,6 +1,7 @@
 # CSV
 
 [![Build Status](https://travis-ci.org/ruby/csv.svg?branch=master)](https://travis-ci.org/ruby/csv)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/321fa39e510a0abd0369/test_coverage)](https://codeclimate.com/github/ruby/csv/test_coverage)
 
 This library provides a complete interface to CSV files and data. It offers tools to enable you to read and write to and from Strings or IO objects, as needed.
 

Rakefile

@@ -1,10 +1,47 @@
 require "bundler/gem_tasks"
-require "rake/testtask"
 
-Rake::TestTask.new(:test) do |t|
-  t.libs << "test" << "test/lib"
-  t.libs << "lib"
-  t.test_files = FileList['test/**/test_*.rb']
+desc "Run test"
+task :test do
+  ruby("run-test.rb")
 end
 
 task :default => :test
+
+benchmark_tasks = []
+namespace :benchmark do
+  Dir.glob("benchmark/*.yaml") do |yaml|
+    name = File.basename(yaml, ".*")
+    env = {
+      "RUBYLIB" => nil,
+      "BUNDLER_ORIG_RUBYLIB" => nil,
+    }
+    command_line = [
+      FileUtils::RUBY, "-v", "-S", "benchmark-driver", File.expand_path(yaml),
+    ]
+
+    desc "Run #{name} benchmark"
+    task name do
+      puts("```")
+      sh(env, *command_line)
+      puts("```")
+    end
+    benchmark_tasks << "benchmark:#{name}"
+
+    case name
+    when "parse"
+      namespace :parse do
+        desc "Run #{name} benchmark: small"
+        task :small do
+          puts("```")
+          sh(env.merge("N_COLUMNS" => "10"),
+             *command_line)
+          puts("```")
+        end
+        benchmark_tasks << "benchmark:parse:small"
+      end
+    end
+  end
+end
+
+desc "Run all benchmarks"
+task :benchmark => benchmark_tasks