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require 'test_helper'
class ZipFileExtractTest < MiniTest::Unit::TestCase
include CommonZipFileFixture
EXTRACTED_FILENAME = "extEntry"
ENTRY_TO_EXTRACT, *REMAINING_ENTRIES = TEST_ZIP.entry_names.reverse
def setup
super
::File.delete(EXTRACTED_FILENAME) if ::File.exist?(EXTRACTED_FILENAME)
end
def test_extract
::Zip::File.open(TEST_ZIP.zip_name) {
|zf|
zf.extract(ENTRY_TO_EXTRACT, EXTRACTED_FILENAME)
assert(File.exist?(EXTRACTED_FILENAME))
AssertEntry::assert_contents(EXTRACTED_FILENAME,
zf.get_input_stream(ENTRY_TO_EXTRACT) { |is| is.read })
::File.unlink(EXTRACTED_FILENAME)
entry = zf.get_entry(ENTRY_TO_EXTRACT)
entry.extract(EXTRACTED_FILENAME)
assert(File.exist?(EXTRACTED_FILENAME))
AssertEntry::assert_contents(EXTRACTED_FILENAME,
entry.get_input_stream() { |is| is.read })
}
end
def test_extractExists
writtenText = "written text"
::File.open(EXTRACTED_FILENAME, "w") { |f| f.write(writtenText) }
assert_raises(::Zip::DestinationFileExistsError) {
::Zip::File.open(TEST_ZIP.zip_name) { |zf|
zf.extract(zf.entries.first, EXTRACTED_FILENAME)
}
}
File.open(EXTRACTED_FILENAME, "r") { |f|
assert_equal(writtenText, f.read)
}
end
def test_extractExistsOverwrite
writtenText = "written text"
::File.open(EXTRACTED_FILENAME, "w") { |f| f.write(writtenText) }
gotCalledCorrectly = false
::Zip::File.open(TEST_ZIP.zip_name) {
|zf|
zf.extract(zf.entries.first, EXTRACTED_FILENAME) {
|entry, extractLoc|
gotCalledCorrectly = zf.entries.first == entry &&
extractLoc == EXTRACTED_FILENAME
true
}
}
assert(gotCalledCorrectly)
::File.open(EXTRACTED_FILENAME, "r") {
|f|
assert(writtenText != f.read)
}
end
def test_extractNonEntry
zf = ::Zip::File.new(TEST_ZIP.zip_name)
assert_raises(Errno::ENOENT) { zf.extract("nonExistingEntry", "nonExistingEntry") }
ensure
zf.close if zf
end
def test_extractNonEntry2
outFile = "outfile"
assert_raises(Errno::ENOENT) {
zf = ::Zip::File.new(TEST_ZIP.zip_name)
nonEntry = "hotdog-diddelidoo"
assert(!zf.entries.include?(nonEntry))
zf.extract(nonEntry, outFile)
zf.close
}
assert(!File.exist?(outFile))
end
end
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