/
CompressionSpec.scala
47 lines (44 loc) · 1.94 KB
/
CompressionSpec.scala
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/*
* Copyright 2016 Azavea
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package geotrellis.raster.io.geotiff.compression
import org.scalatest._
class CompressionSpec extends FunSpec with Matchers {
describe("DeflateCompression") {
(-1 to 9).foreach { level =>
it(s"should decompress and compress to the same things at the ${if(level == -1) "default compression level" else s"zoom level $level"}") {
val segment =
"""
| the human machine only moves when the tide of every one of us pushes to the outside
| and we realize that from the time you wake until the time you shake it up
| you're nothing more than a ghost echo
| it burns brighter when the pieces move the best way,
| whatever best may mean,
| it's so subjective. but when enough agree we can finally move it.
| when the pieces understand what they're doing they can chose a direction
| and run a little hotter.
| against inertia,
| it goes.
| whole lives change
| only the moment remains here""".getBytes("UTF-8")
val compressor = new DeflateCompression(level).createCompressor(1)
val compressed = compressor.compress(segment, 0)
val decompressor = compressor.createDecompressor()
val decompressed = decompressor.decompress(compressed, 0)
decompressed should be(segment)
}
}
}
}