Sha256: c52abce52de7a4ebe86ac372d371b2435e3a316c3d448bda053a46d1e03d507b
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Size: 1.19 KB
Versions: 11
Compression:
Stored size: 1.19 KB
Contents
require_relative "../helper.rb"
describe Ashton::ImageStub do
describe "#initialize" do
it "should fail if the blob data is not the expected size" do
lambda do
described_class.new "\0\0\0", 2, 3
end.should raise_error ArgumentError, /Expected blob to be 24 bytes/
end
it "should fail width <= 0" do
lambda do
described_class.new "\0\0\0\0", 0, 2
end.should raise_error ArgumentError, /Width must be >= 1 pixel/
end
it "should fail height <= 0" do
lambda do
described_class.new "\0\0\0\0", 2, 0
end.should raise_error ArgumentError, /Height must be >= 1 pixel/
end
end
context "instantiated" do
let(:two_by_three_blob) { 24.times.to_a.pack("C*") }
let(:subject) { described_class.new two_by_three_blob, 2, 3 }
describe "#to_blob" do
it "should return the blob given" do
subject.to_blob.should eq two_by_three_blob
end
end
describe "#columns" do
it "should equal the width of the blob" do
subject.columns.should eq 2
end
end
describe "#rows" do
it "should equal the height of the blob" do
subject.rows.should eq 3
end
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems