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93 lines
3.2 KiB
93 lines
3.2 KiB
package com.sothr.imagetools.hash
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import java.io.File
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import javax.imageio.ImageIO
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import scala.collection.mutable
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class HashServicePHashTest extends HashServiceBaseTest {
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def phashTestCase(filePath: String): Long = {
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val sample = new File(filePath)
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val image = ImageIO.read(sample)
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HashService.getPhash(phashSetting, image)
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}
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test("Calculate PHash Large Sample Image 1") {
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debug("Starting 'Calculate PHash Large Sample Image 1' test")
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val sample = new File(LargeSampleImage1)
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debug(s"Testing File: ${sample.getAbsolutePath} exists: ${sample.exists}")
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val image = ImageIO.read(sample)
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debug(s"Image: width: ${image.getWidth} height: ${image.getHeight}")
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val hash = HashService.getPhash(phashSetting, image)
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debug(s"Testing that $hash = -9154554603604154117L")
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assert(hash == -9154554603604154117L)
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}
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test("Calculate PHash Medium Sample Image 1") {
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debug("Starting 'Calculate PHash Medium Sample Image 1' test")
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val sample = new File(MediumSampleImage1)
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debug(s"Testing File: ${sample.getAbsolutePath} exists: ${sample.exists}")
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val image = ImageIO.read(sample)
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debug(s"Image: width: ${image.getWidth} height: ${image.getHeight}")
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val hash = HashService.getPhash(phashSetting, image)
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debug(s"Testing that $hash = -9154589787976242949L")
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assert(hash == -9154589787976242949L)
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}
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test("Calculate PHash Small Sample Image 1") {
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debug("Starting 'Calculate PHash Small Sample Image 1' test")
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val sample = new File(SmallSampleImage1)
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debug(s"Testing File: ${sample.getAbsolutePath} exists: ${sample.exists}")
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val image = ImageIO.read(sample)
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debug(s"Image: width: ${image.getWidth} height: ${image.getHeight}")
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val hash = HashService.getPhash(phashSetting, image)
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debug(s"Testing that $hash = -9154589787976242949L")
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assert(hash == -9154589787976242949L)
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}
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test("PHash Of Large, Medium, And Small Sample 1 Must Be Similar") {
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val largeHash = phashTestCase(LargeSampleImage1)
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val mediumHash = phashTestCase(MediumSampleImage1)
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val smallHash = phashTestCase(SmallSampleImage1)
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assert(HashService.areHashSimilar(phashSetting, largeHash, mediumHash))
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assert(HashService.areHashSimilar(phashSetting, largeHash, smallHash))
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assert(HashService.areHashSimilar(phashSetting, mediumHash, smallHash))
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}
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test("Benchmark PHash") {
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info("Benchmarking PHash")
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info("PHash Large Image 3684x2736")
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val time = new mutable.MutableList[Long]()
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for (_ <- 0 until benchmarkRuns) {
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time += getTime {
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phashTestCase(LargeSampleImage1)
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}
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}
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val largeMean = getMean(time.toArray[Long])
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info(s"The mean time of ${time.size} tests for large was: $largeMean ms")
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time.clear()
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info("PHash Medium Image 1824x1368")
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for (_ <- 0 until benchmarkRuns) {
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time += getTime {
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phashTestCase(MediumSampleImage1)
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}
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}
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val mediumMean = getMean(time.toArray[Long])
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info(s"The mean time of ${time.size} tests for medium was: $mediumMean ms")
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time.clear()
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info("PHash Small Image 912x684")
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for (_ <- 0 until benchmarkRuns) {
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time += getTime {
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phashTestCase(SmallSampleImage1)
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}
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}
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val smallMean = getMean(time.toArray[Long])
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info(s"The mean time of ${time.size} tests for small was: $smallMean ms")
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time.clear()
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assert(true)
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}
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}
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