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# coding: utf-8
require File.dirname(__FILE__) + "/spec_helper"
describe PDF::Reader::TextRun, "#initilize" do
context "when initialized with valid values" do
let(:x) { 10 }
let(:y) { 20 }
let(:width) { 30 }
let(:font) { 12 }
let(:text) { "Chunky" }
subject { PDF::Reader::TextRun.new(x, y, width, font, text)}
it "should make x accessible" do
subject.x.should == 10
end
it "should make y accessible" do
subject.y.should == 20
end
it "should make width accessible" do
subject.width.should == 30
end
it "should make font_size accessible" do
subject.font_size.should == 12
end
it "should make text accessible" do
subject.text.should == "Chunky"
end
end
end
describe PDF::Reader::TextRun, "#endx" do
context "when initialized with valid values" do
let(:x) { 10 }
let(:y) { 20 }
let(:width) { 30 }
let(:font) { 12 }
let(:text) { "Chunky" }
subject { PDF::Reader::TextRun.new(x, y, width, font, text)}
it "should equal x + width" do
subject.endx.should == 40
end
end
end
describe PDF::Reader::TextRun, "#mergable?" do
let(:x) { 10 }
let(:y) { 20 }
let(:width) { 30 }
let(:font) { 12 }
context "the font_sizes match" do
context "when the two runs are within 1x font_size of each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+12, y, width, font, "B")}
it "should return true" do
one.mergable?(two).should be_true
end
end
context "when the two runs are over 1x font_size away from each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+13, y, width, font, "B")}
it "should return false" do
one.mergable?(two).should be_false
end
end
context "when the two runs have identical X values but different Y" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(x, y + 1, width, font, "B")}
it "should return false" do
one.mergable?(two).should be_false
end
end
end
context "the font_sizes do not match" do
context "when the two runs are within 1x font_size of each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+12, y, width, font+1, "B")}
it "should return true" do
one.mergable?(two).should be_false
end
end
context "when the two runs are over 1x font_size away from each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+13, y, width, font+1, "B")}
it "should return false" do
one.mergable?(two).should be_false
end
end
context "when the two runs have identical X values but different Y" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(x, y + 1, width, font+1, "B")}
it "should return false" do
one.mergable?(two).should be_false
end
end
end
end
describe PDF::Reader::TextRun, "#+" do
let(:x) { 10 }
let(:y) { 20 }
let(:width) { 30 }
let(:font) { 12 }
context "when the two runs are 0.12x font_size of each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+1.2, y, width, font, "B")}
it "should return a new TextRun with combined data" do
result = one + two
result.x.should == 10
result.y.should == 20
result.width.should == 61.2
result.text.should == "AB"
end
end
context "when the two runs are 1x font_size of each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+12, y, width, font, "B")}
it "should return a new TextRun with combined data" do
result = one + two
result.x.should == 10
result.y.should == 20
result.width.should == 72
result.text.should == "A B"
end
end
context "when the two runs are over 12pts away from each other" do
let(:one) { PDF::Reader::TextRun.new(x, y, width, font, "A")}
let(:two) { PDF::Reader::TextRun.new(one.endx+13, y, width, font, "B")}
it "should raise an exception" do
lambda {
one + two
}.should raise_error(ArgumentError)
end
end
end
describe PDF::Reader::TextRun, "#<=>" do
let(:width) { 30 }
let(:font) { 12 }
let(:text) { "Chunky" }
context "when comparing two runs in the same position" do
let!(:one) { PDF::Reader::TextRun.new(10, 20, width, font, text)}
let!(:two) { PDF::Reader::TextRun.new(10, 20, width, font, text)}
it "should return 0" do
(one <=> two).should == 0
end
end
context "when run two is directly above run one" do
let!(:one) { PDF::Reader::TextRun.new(10, 10, width, font, text)}
let!(:two) { PDF::Reader::TextRun.new(10, 20, width, font, text)}
it "should sort two before one" do
[one, two].sort.should == [two, one]
end
end
context "when run two is directly right of run one" do
let!(:one) { PDF::Reader::TextRun.new(10, 10, width, font, text)}
let!(:two) { PDF::Reader::TextRun.new(20, 10, width, font, text)}
it "should sort one before two" do
[one, two].sort.should == [one, two]
end
end
context "when run two is directly below run one" do
let!(:one) { PDF::Reader::TextRun.new(10, 10, width, font, text)}
let!(:two) { PDF::Reader::TextRun.new(10, 05, width, font, text)}
it "should sort one before two" do
[one, two].sort.should == [one, two]
end
end
context "when run two is directly left of run one" do
let!(:one) { PDF::Reader::TextRun.new(10, 10, width, font, text)}
let!(:two) { PDF::Reader::TextRun.new(5, 10, width, font, text)}
it "should sort two before one" do
[one, two].sort.should == [two, one]
end
end
end
describe PDF::Reader::TextRun, "#mean_character_width" do
let(:width) { 30 }
let(:font) { 12 }
let(:text) { "Chunky" }
context "when the run is 30pts wide with 6 characters" do
subject { PDF::Reader::TextRun.new(10, 20, width, font, text)}
it "should return 5.0" do
subject.mean_character_width.should == 5.0
end
end
end
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