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require 'test_helper'
require 'barby/barcode/code_25_interleaved'
class Code25InterleavedTest < Barby::TestCase
before do
@data = '12345670'
@code = Code25Interleaved.new(@data)
end
it "should have the expected digit_pairs" do
@code.digit_pairs.must_equal [[1,2],[3,4],[5,6],[7,0]]
end
it "should have the expected digit_encodings" do
@code.digit_encodings.must_equal %w(111010001010111000 111011101000101000 111010001110001010 101010001110001110)
end
it "should have the expected start_encoding" do
@code.start_encoding.must_equal '1010'
end
it "should have the expected stop_encoding" do
@code.stop_encoding.must_equal '11101'
end
it "should have the expected data_encoding" do
@code.data_encoding.must_equal "111010001010111000111011101000101000111010001110001010101010001110001110"
end
it "should have the expected encoding" do
@code.encoding.must_equal "101011101000101011100011101110100010100011101000111000101010101000111000111011101"
end
it "should be valid" do
assert @code.valid?
end
it "should return the expected encoding for parameters passed to encoding_for_interleaved" do
w, n = Code25Interleaved::WIDE, Code25Interleaved::NARROW
# 1 2 1 2 1 2 1 2 1 2 digits 1 and 2
# B S B S B S B S B S bars and spaces
@code.encoding_for_interleaved(w,n,n,w,n,n,n,n,w,w).must_equal '111010001010111000'
# 3 4 3 4 3 4 3 4 3 4 digits 3 and 4
# B S B S B S B S B S bars and spaces
@code.encoding_for_interleaved(w,n,w,n,n,w,n,n,n,w).must_equal '111011101000101000'
end
it "should return all characters in sequence for to_s" do
@code.to_s.must_equal @code.characters.join
end
describe "with checksum" do
before do
@data = '1234567'
@code = Code25Interleaved.new(@data)
@code.include_checksum = true
end
it "should have the expected digit_pairs_with_checksum" do
@code.digit_pairs_with_checksum.must_equal [[1,2],[3,4],[5,6],[7,0]]
end
it "should have the expected digit_encodings_with_checksum" do
@code.digit_encodings_with_checksum.must_equal %w(111010001010111000 111011101000101000 111010001110001010 101010001110001110)
end
it "should have the expected data_encoding_with_checksum" do
@code.data_encoding_with_checksum.must_equal "111010001010111000111011101000101000111010001110001010101010001110001110"
end
it "should have the expected encoding" do
@code.encoding.must_equal "101011101000101011100011101110100010100011101000111000101010101000111000111011101"
end
it "should be valid" do
assert @code.valid?
end
it "should return all characters including checksum in sequence on to_s" do
@code.to_s.must_equal @code.characters_with_checksum.join
end
end
describe "with invalid number of digits" do
before do
@data = '1234567'
@code = Code25Interleaved.new(@data)
end
it "should not be valid" do
refute @code.valid?
end
it "should raise ArgumentError on all encoding methods" do
lambda{ @code.encoding }.must_raise(ArgumentError)
lambda{ @code.data_encoding }.must_raise(ArgumentError)
lambda{ @code.digit_encodings }.must_raise(ArgumentError)
end
it "should not raise ArgumentError on encoding methods that include checksum" do
b = Code25Interleaved.new(@data)
b.include_checksum = true
b.encoding
@code.data_encoding_with_checksum
@code.digit_encodings_with_checksum
end
end
end
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