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writeImageLocalFileSyncTest.js
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writeImageLocalFileSyncTest.js
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const test = require('ava')
const path = require('path')
const IntTypes = require(path.resolve(__dirname, '..', 'dist', 'IntTypes.js'))
const PixelTypes = require(path.resolve(__dirname, '..', 'dist', 'PixelTypes.js'))
const readImageLocalFileSync = require(path.resolve(__dirname, '..', 'dist', 'readImageLocalFileSync.js'))
const writeImageLocalFileSync = require(path.resolve(__dirname, '..', 'dist', 'writeImageLocalFileSync.js'))
const testInputFilePath = path.resolve(__dirname, '..', 'build', 'ExternalData', 'test', 'Input', 'cthead1.png')
const testOutputFilePath = path.resolve(__dirname, '..', 'build', 'Testing', 'Temporary', 'writeImageLocalFileSyncTest-cthead1.png')
const verifyImage = (t, image) => {
t.is(image.imageType.dimension, 2, 'dimension')
t.is(image.imageType.componentType, IntTypes.UInt8, 'componentType')
t.is(image.imageType.pixelType, PixelTypes.RGB, 'pixelType')
t.is(image.imageType.components, 3, 'components')
t.is(image.origin[0], 0.0, 'origin[0]')
t.is(image.origin[1], 0.0, 'origin[1]')
t.is(image.spacing[0], 1.0, 'spacing[0]')
t.is(image.spacing[1], 1.0, 'spacing[1]')
t.is(image.direction.getElement(0, 0), 1.0, 'direction (0, 0)')
t.is(image.direction.getElement(0, 1), 0.0, 'direction (0, 1)')
t.is(image.direction.getElement(1, 0), 0.0, 'direction (1, 0)')
t.is(image.direction.getElement(1, 1), 1.0, 'direction (1, 1)')
t.is(image.size[0], 256, 'size[0]')
t.is(image.size[1], 256, 'size[1]')
t.is(image.data.length, 196608, 'data.length')
}
test('writeImageLocalFileSync writes a file path on the local filesystem', t => {
const image = readImageLocalFileSync(testInputFilePath)
const useCompression = false
writeImageLocalFileSync(useCompression, image, testOutputFilePath)
const readImage = readImageLocalFileSync(testOutputFilePath)
verifyImage(t, readImage)
})