From 9475fbae78db2aad6b4d4d5ad29a7e724dc7b4bd Mon Sep 17 00:00:00 2001 From: "Akihiko Odaki (@fn_aki@pawoo.net)" Date: Sun, 4 Jun 2017 21:57:02 +0900 Subject: [PATCH] Spec Extractor (#3540) --- spec/lib/extractor_spec.rb | 79 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 spec/lib/extractor_spec.rb diff --git a/spec/lib/extractor_spec.rb b/spec/lib/extractor_spec.rb new file mode 100644 index 000000000..dba4bd0bb --- /dev/null +++ b/spec/lib/extractor_spec.rb @@ -0,0 +1,79 @@ +# frozen_string_literal: true + +require 'rails_helper' + +describe Extractor do + describe 'extract_mentions_or_lists_with_indices' do + it 'returns an empty array if the given string does not have at signs' do + text = 'a string without at signs' + extracted = Extractor.extract_mentions_or_lists_with_indices(text) + expect(extracted).to eq [] + end + + it 'does not extract mentions which ends with particular characters' do + text = '@screen_name@' + extracted = Extractor.extract_mentions_or_lists_with_indices(text) + expect(extracted).to eq [] + end + + it 'returns mentions as an array' do + text = '@screen_name' + extracted = Extractor.extract_mentions_or_lists_with_indices(text) + expect(extracted).to eq [ + { screen_name: 'screen_name', indices: [ 0, 12 ] } + ] + end + + it 'yields mentions if a block is given' do + text = '@screen_name' + Extractor.extract_mentions_or_lists_with_indices(text) do |screen_name, start_position, end_position| + expect(screen_name).to eq 'screen_name' + expect(start_position).to eq 0 + expect(end_position).to eq 12 + end + end + end + + describe 'extract_hashtags_with_indices' do + it 'returns an empty array if it does not have #' do + text = 'a string without hash sign' + extracted = Extractor.extract_hashtags_with_indices(text) + expect(extracted).to eq [] + end + + it 'does not exclude normal hash text before ://' do + text = '#hashtag://' + extracted = Extractor.extract_hashtags_with_indices(text) + expect(extracted).to eq [ { hashtag: 'hashtag', indices: [ 0, 8 ] } ] + end + + it 'excludes http://' do + text = '#hashtaghttp://' + extracted = Extractor.extract_hashtags_with_indices(text) + expect(extracted).to eq [ { hashtag: 'hashtag', indices: [ 0, 8 ] } ] + end + + it 'excludes https://' do + text = '#hashtaghttps://' + extracted = Extractor.extract_hashtags_with_indices(text) + expect(extracted).to eq [ { hashtag: 'hashtag', indices: [ 0, 8 ] } ] + end + + it 'yields hashtags if a block is given' do + text = '#hashtag' + Extractor.extract_hashtags_with_indices(text) do |hashtag, start_position, end_position| + expect(hashtag).to eq 'hashtag' + expect(start_position).to eq 0 + expect(end_position).to eq 8 + end + end + end + + describe 'extract_cashtags_with_indices' do + it 'returns []' do + text = '$cashtag' + extracted = Extractor.extract_cashtags_with_indices(text) + expect(extracted).to eq [] + end + end +end