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# -*- encoding: utf-8 -*-
require 'test_helper'
describe GPGME::Data do
describe :new do
it "smartly creates an empty buffer if nothing passed" do
data = GPGME::Data.new
assert_instance_of GPGME::Data, data
assert_respond_to data, :read
assert_respond_to data, :write
end
it "doesn't create a new object if the object passed is a Data already" do
data = GPGME::Data.new
new_data = GPGME::Data.new(data)
assert_equal data, new_data
end
it "creates a data from strings" do
data = GPGME::Data.new("wadus")
assert_equal "wadus", data.read
end
it "creates a data from a file" do
# magic fromfile
data = GPGME::Data.new(File.open(__FILE__))
assert_match /magic fromfile/, data.read
end
it "creates a data from file descriptor" do
# magic filedescriptor
File.open(__FILE__) do |f|
data = GPGME::Data.new(f.fileno)
assert_match /magic filedescriptor/, data.read
end
end
end
describe :read do
it "allows to read only a length of the object" do
data = GPGME::Data.new("wadus")
assert_equal "wad", data.read(3)
end
it "returns nil if reading 0 length" do
data = GPGME::Data.new("wadus")
assert_nil data.read(0)
end
it "returns the full thing if reading without parameter" do
data = GPGME::Data.new("wadus")
assert_equal "wadus", data.read
end
end
##
# We consider seek tested by these ones, since we have to seek(0) before
# reading.
describe :write do
it "writes data to it" do
data = GPGME::Data.new
data.write("wadus")
data.seek(0)
assert_equal "wadus", data.read
end
it "writes data to it, specifying the length of the things to write" do
data = GPGME::Data.new
data.write("wadus", 5)
data.seek(0)
assert_equal "wadus", data.read
end
it "writes only a limited part if specified a small number" do
data = GPGME::Data.new
data.write("wadus", 3)
data.seek(0)
assert_equal "wad", data.read
end
# TODO: test doesn't pass, I believe there might be a security issue here,
# random crap is written to the buffer if a longer size is passed.
#
# it "writes only the full data passed even if the length is bigger" do
# data = GPGME::Data.new
# data.write("wadus", 100)
# data.seek(0)
# assert_equal "wadus", data.read
# end
end
describe :encoding do
it "has encoding 0 by default (DATA_ENCODING_NONE)" do
data = GPGME::Data.new("wadus")
assert_equal GPGME::DATA_ENCODING_NONE, data.encoding
end
it "can set encodings" do
data = GPGME::Data.new("wadus")
[ GPGME::DATA_ENCODING_ARMOR, GPGME::DATA_ENCODING_BASE64,
GPGME::DATA_ENCODING_BINARY,GPGME::DATA_ENCODING_NONE ].each do |encoding|
data.encoding = encoding
assert_equal encoding, data.encoding
end
end
it "breaks if not set a proper encoding value" do
data = GPGME::Data.new("wadus")
assert_raises GPGME::Error::InvalidValue do
data.encoding = 64
end
end
end
describe :to_s do
it "returns the entire content of data" do
data = GPGME::Data.new("wadus")
data.read
old_pos = data.seek(0, IO::SEEK_CUR)
assert_equal "wadus", data.to_s
new_pos = data.seek(0, IO::SEEK_CUR)
assert_equal old_pos, new_pos
end
end
end
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