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92 lines
3.1 KiB
Ruby
92 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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RSpec.describe Extractor do
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describe 'extract_mentions_or_lists_with_indices' do
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it 'returns an empty array if the given string does not have at signs' do
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text = 'a string without at signs'
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extracted = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq []
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end
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it 'does not extract mentions which ends with particular characters' do
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text = '@screen_name@'
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extracted = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq []
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end
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it 'returns mentions as an array' do
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text = '@screen_name'
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extracted = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq [
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{ screen_name: 'screen_name', indices: [0, 12] },
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]
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end
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it 'yields mentions if a block is given' do
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text = '@screen_name'
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described_class.extract_mentions_or_lists_with_indices(text) do |screen_name, start_position, end_position|
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expect(screen_name).to eq 'screen_name'
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expect(start_position).to eq 0
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expect(end_position).to eq 12
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end
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end
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end
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describe 'extract_hashtags_with_indices' do
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it 'returns an empty array if it does not have # or ＃' do
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text = 'a string without hash sign'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq []
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end
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it 'returns hashtags preceded by an ASCII hash' do
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text = 'hello #world'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq [{ hashtag: 'world', indices: [6, 12] }]
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end
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it 'returns hashtags preceded by a full-width hash' do
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text = 'hello ＃world'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq [{ hashtag: 'world', indices: [6, 12] }]
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end
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it 'does not exclude normal hash text before ://' do
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text = '#hashtag://'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
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it 'excludes http://' do
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text = '#hashtaghttp://'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
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it 'excludes https://' do
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text = '#hashtaghttps://'
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extracted = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
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it 'yields hashtags if a block is given' do
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text = '#hashtag'
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described_class.extract_hashtags_with_indices(text) do |hashtag, start_position, end_position|
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expect(hashtag).to eq 'hashtag'
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expect(start_position).to eq 0
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expect(end_position).to eq 8
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end
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end
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end
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describe 'extract_entities_with_indices' do
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it 'returns empty array when cashtag present' do
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text = '$cashtag'
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extracted = described_class.extract_entities_with_indices(text)
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expect(extracted).to eq []
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end
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end
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end
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