test(mesh-io): add swc-test

packages/mesh-io/typescript/test/node/swc-test.js

@@ -0,0 +1,42 @@
+import test from 'ava'
+import path from 'path'
+
+import { swcReadMeshNode, swcWriteMeshNode } from '../../dist/index-node.js'
+import { IntTypes, FloatTypes, PixelTypes } from 'itk-wasm'
+
+import { testInputPath, testOutputPath } from './common.js'
+
+const testInputFilePath = path.resolve(testInputPath, '11706c2.CNG.swc')
+const testOutputFilePath = path.resolve(testOutputPath, 'swc-test-11706c2.CNG.swc')
+
+const verifyMesh = (t, mesh) => {
+  t.is(mesh.meshType.dimension, 3)
+  t.is(mesh.meshType.pointComponentType, FloatTypes.Float32)
+  t.is(mesh.meshType.cellComponentType, IntTypes.UInt32)
+  t.is(mesh.meshType.pointPixelType, PixelTypes.Scalar)
+  t.is(mesh.meshType.pointPixelComponents, 1)
+  t.is(mesh.meshType.cellPixelType, PixelTypes.Scalar)
+  t.is(mesh.numberOfPoints, 1534)
+  t.is(mesh.numberOfPointPixels, 1534)
+  t.is(mesh.numberOfCells, 1533)
+  t.is(mesh.cellBufferSize, 6132)
+}
+
+test('swcReadMeshNode reads a SWC file path given on the local filesystem', async (t) => {
+  const { couldRead, mesh } = await swcReadMeshNode(testInputFilePath)
+  t.true(couldRead)
+  verifyMesh(t, mesh)
+})
+
+test('swcWriteMeshNode writes a SWC file path on the local filesystem', async (t) => {
+  const { couldRead, mesh } = await swcReadMeshNode(testInputFilePath)
+  t.true(couldRead)
+
+  const useCompression = false
+  const { couldWrite } = await swcWriteMeshNode(mesh, testOutputFilePath, { useCompression })
+  t.true(couldWrite)
+
+  const { couldRead: couldReadBack, mesh: meshBack } = await swcReadMeshNode(testOutputFilePath)
+  t.true(couldReadBack)
+  verifyMesh(t, meshBack)
+})