2013-11-02 17:14:51 -04:00
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describe "Pry::Pager" do
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describe "PageTracker" do
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before do
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@pt = Pry::Pager::PageTracker.new(10, 10)
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end
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def record_short_line
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@pt.record "012345678\n"
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end
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def record_long_line
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@pt.record "0123456789012\n"
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end
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def record_multiline
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@pt.record "0123456789012\n01\n"
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end
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def record_string_without_newline
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@pt.record "0123456789"
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end
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def record_string_with_color_codes
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@pt.record(CodeRay.scan("0123456789", :ruby).term + "\n")
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end
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it "records short lines that don't add up to a page" do
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9.times { record_short_line }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal false
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2013-11-02 17:14:51 -04:00
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end
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it "records short lines that do add up to a page" do
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10.times { record_short_line }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal true
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2013-11-02 17:14:51 -04:00
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end
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it "treats a long line as taking up more than one row" do
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4.times { record_long_line }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal false
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2013-11-02 17:14:51 -04:00
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record_long_line
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal true
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2013-11-02 17:14:51 -04:00
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end
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it "records a string with an embedded newline" do
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3.times { record_multiline }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal false
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2013-11-02 17:14:51 -04:00
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record_short_line
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal true
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2013-11-02 17:14:51 -04:00
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end
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it "doesn't count a line until it ends" do
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12.times { record_string_without_newline }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal false
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2013-11-02 17:14:51 -04:00
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record_short_line
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal true
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2013-11-02 17:14:51 -04:00
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end
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it "doesn't count ansi color codes towards length" do
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9.times { record_string_with_color_codes }
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal false
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2013-11-02 17:14:51 -04:00
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record_string_with_color_codes
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2015-03-10 16:49:29 -04:00
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expect(@pt.page?).to equal true
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2013-11-02 17:14:51 -04:00
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end
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end
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end
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