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# encoding: utf-8
require File.dirname(__FILE__) + '/spec_helper'
class TestHitHighlighter
include Twitter::HitHighlighter
end
describe Twitter::HitHighlighter do
describe "highlight" do
before do
@highlighter = TestHitHighlighter.new
end
context "with options" do
before do
@original = "Testing this hit highliter"
@hits = [[13,16]]
end
it "should default to <em> tags" do
@highlighter.hit_highlight(@original, @hits).should == "Testing this <em>hit</em> highliter"
end
it "should allow tag override" do
@highlighter.hit_highlight(@original, @hits, :tag => 'b').should == "Testing this <b>hit</b> highliter"
end
end
context "without links" do
before do
@original = "Hey! this is a test tweet"
end
it "should return original when no hits are provided" do
@highlighter.hit_highlight(@original).should == @original
end
it "should highlight one hit" do
@highlighter.hit_highlight(@original, hits = [[5, 9]]).should == "Hey! <em>this</em> is a test tweet"
end
it "should highlight two hits" do
@highlighter.hit_highlight(@original, hits = [[5, 9], [15, 19]]).should == "Hey! <em>this</em> is a <em>test</em> tweet"
end
it "should correctly highlight first-word hits" do
@highlighter.hit_highlight(@original, hits = [[0, 3]]).should == "<em>Hey</em>! this is a test tweet"
end
it "should correctly highlight last-word hits" do
@highlighter.hit_highlight(@original, hits = [[20, 25]]).should == "Hey! this is a test <em>tweet</em>"
end
end
context "with links" do
it "should highlight with a single link" do
@highlighter.hit_highlight("@<a>bcherry</a> this was a test tweet", [[9, 13]]).should == "@<a>bcherry</a> <em>this</em> was a test tweet"
end
it "should highlight with link at the end" do
@highlighter.hit_highlight("test test <a>test</a>", [[5, 9]]).should == "test <em>test</em> <a>test</a>"
end
it "should highlight with a link at the beginning" do
@highlighter.hit_highlight("<a>test</a> test test", [[5, 9]]).should == "<a>test</a> <em>test</em> test"
end
it "should highlight an entire link" do
@highlighter.hit_highlight("test <a>test</a> test", [[5, 9]]).should == "test <a><em>test</em></a> test"
end
it "should highlight within a link" do
@highlighter.hit_highlight("test <a>test</a> test", [[6, 8]]).should == "test <a>t<em>es</em>t</a> test"
end
it "should highlight around a link" do
@highlighter.hit_highlight("test <a>test</a> test", [[3, 11]]).should == "tes<em>t <a>test</a> t</em>est"
end
it "should fail gracefully with bad hits" do
@highlighter.hit_highlight("test test", [[5, 20]]).should == "test <em>test</em>"
end
it "should not mess up with touching tags" do
@highlighter.hit_highlight("<a>foo</a><a>foo</a>", [[3,6]]).should == "<a>foo</a><a><em>foo</em></a>"
end
end
end
end
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