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# typed: false
# coding: utf-8
describe PDF::Reader::PageLayout do
describe "#to_s" do
context "with an A4 page" do
let(:mediabox) { PDF::Reader::Rectangle.new(0, 0, 595.28, 841.89)}
context "with no words" do
subject { PDF::Reader::PageLayout.new([], mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("")
end
end
context "with only blank word(s)" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "")
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("")
end
end
context "with one word" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello")
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello")
end
end
context "with one run directly below another" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(30, 687, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello\nWorld")
end
end
context "with one two words on one line, separated by a font size gap" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(92, 700, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello World")
end
end
context "with two words on one line, separated just over the mean glyph width" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(91, 700, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello World")
end
end
context "with one two words on one line, separated just over 2x the mean glyph width" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(101, 700, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello World")
end
end
context "with one run directly below another and indented by just over 1 font size gap" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(43, 687, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello\n World")
end
end
context "with one run directly below another and the first indented by just over 1x fs gap" do
let!(:runs) do
[
PDF::Reader::TextRun.new(43, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(30, 687, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq(" Hello\nWorld")
end
end
context "with one run directly below another with 1 font size gap" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello"),
PDF::Reader::TextRun.new(30, 676, 50, 12, "World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello\n\nWorld")
end
end
context "with one run that has an implausible font size of 0" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 0, "Hello"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello")
end
end
context "with one run that's positioned at 0,0" do
let!(:runs) do
[
PDF::Reader::TextRun.new(0, 0, 50, 18, "Hello World"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("Hello World")
end
end
context "with two runs that overlap to make fake 'bold', using the same Y offset" do
let!(:runs) do
[
PDF::Reader::TextRun.new(420.74, 636.0, 6.67, 12, "b"),
PDF::Reader::TextRun.new(427.41, 636.0, 6.67, 12, "o"),
PDF::Reader::TextRun.new(434.08, 636.0, 2.66, 12, "l"),
PDF::Reader::TextRun.new(436.75, 636.0, 6.67, 12, "d"),
PDF::Reader::TextRun.new(420.84, 636.0, 6.67, 12, "b"),
PDF::Reader::TextRun.new(427.51, 636.0, 6.67, 12, "o"),
PDF::Reader::TextRun.new(434.18, 636.0, 2.66, 12, "l"),
PDF::Reader::TextRun.new(436.85, 636.0, 6.67, 12, "d"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("bold")
end
end
context "with two runs that overlap to make fake 'bold', using different X+Y offset" do
let!(:runs) do
[
PDF::Reader::TextRun.new(420.74, 635.95, 6.67, 12, "b"),
PDF::Reader::TextRun.new(427.41, 635.95, 6.67, 12, "o"),
PDF::Reader::TextRun.new(434.08, 635.95, 2.66, 12, "l"),
PDF::Reader::TextRun.new(436.75, 635.95, 6.67, 12, "d"),
PDF::Reader::TextRun.new(420.84, 636.05, 6.67, 12, "b"),
PDF::Reader::TextRun.new(427.51, 636.05, 6.67, 12, "o"),
PDF::Reader::TextRun.new(434.18, 636.05, 2.66, 12, "l"),
PDF::Reader::TextRun.new(436.85, 636.05, 6.67, 12, "d"),
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox)}
it "returns a correct string" do
expect(subject.to_s).to eq("bold")
end
end
context "with one word and the mediabox is provided as a 4-element array" do
let!(:runs) do
[
PDF::Reader::TextRun.new(30, 700, 50, 12, "Hello")
]
end
subject { PDF::Reader::PageLayout.new(runs, mediabox.to_a)}
it "returns a correct string and prints a deprecation warning" do
expect(subject.to_s).to eq("Hello")
end
end
end
context "with a page that's too small to fit any of the text" do
let(:mediabox) { PDF::Reader::Rectangle.new(0, 0, 46.560, 32.640)}
let(:font_size) { 72 }
it "returns an empty string" do
run = PDF::Reader::TextRun.new(0, 0, 50, font_size, "a")
layout = PDF::Reader::PageLayout.new([run], mediabox)
expect(layout.to_s).to eq("")
end
end
end
end
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