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puyopuyotetr.is/spec/lib/extractor_spec.rb

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# 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 = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq []
end
it 'does not extract mentions which ends with particular characters' do
text = '@screen_name@'
extracted = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq []
end
it 'returns mentions as an array' do
text = '@screen_name'
extracted = described_class.extract_mentions_or_lists_with_indices(text)
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expect(extracted).to eq [
{ screen_name: 'screen_name', indices: [0, 12] },
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]
end
it 'yields mentions if a block is given' do
text = '@screen_name'
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'
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 = described_class.extract_hashtags_with_indices(text)
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expect(extracted).to eq []
end
it 'does not exclude normal hash text before ://' do
text = '#hashtag://'
extracted = described_class.extract_hashtags_with_indices(text)
expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
it 'excludes http://' do
text = '#hashtaghttp://'
extracted = described_class.extract_hashtags_with_indices(text)
expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
it 'excludes https://' do
text = '#hashtaghttps://'
extracted = described_class.extract_hashtags_with_indices(text)
expect(extracted).to eq [{ hashtag: 'hashtag', indices: [0, 8] }]
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end
it 'yields hashtags if a block is given' do
text = '#hashtag'
described_class.extract_hashtags_with_indices(text) do |hashtag, start_position, end_position|
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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 = described_class.extract_cashtags_with_indices(text)
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expect(extracted).to eq []
end
end
end