tests for svg trace/posterize

package.json

@@ -68,11 +68,13 @@
     "css-select": "^1.3.0-rc0",
     "domutils": "^1.6.2",
     "eventemitter2": "^5.0.1",
+    "file-loader": "^2.0.0",
     "htmlparser2": "^3.9.2",
     "http-cache-semantics": "^3.8.1",
     "image-webpack-loader": "^4.3.1",
     "nock": "^9.2.6",
     "nyc": "^13.0.0",
+    "raw-loader": "^0.5.1",
     "standard-version": "^4.4.0",
     "ts-loader": "^3.2.0",
     "ts-node": "^3.3.0",
@@ -128,4 +130,4 @@
     ],
     "all": true
   }
-}
+}

src/cmd/test.ts

@@ -65,7 +65,7 @@ root
       try {
         const app = appStore.app
         const rt = new LocalRuntime(
-          new App({ app: app.name, version: app.version, source: "", source_hash: "", config: {}, secrets: {}, env: "test" }),
+          new App({ app: app.name, version: app.version, source: "", source_hash: "", config: { files: ["./fixtures/"] }, secrets: {}, env: "test" }),
           new Bridge({
             dataStore: new SQLiteDataStore(app.name, 'test')
           })

v8env/src/fly/image/index.ts

@@ -291,12 +291,26 @@ export class Image {
     return i
   }
 
-  traceSVG(mode?: string): string {
-    return bridge.dispatchSync("fly.Image.traceSVG", this._ref, mode)
+  /**
+   * Traces an image as an SVG.
+   * @returns SVG data as a string
+   */
+  trace(): string {
+    return bridge.dispatchSync("fly.Image.traceSVG", this._ref)
+  }
+
+  /**
+   * Trace an image multiple times and return the combined SVG data as a string.
+   *  This function is useful for turning photographs into monochrome SVGs.
+   * @returns SVG data as a string
+   */
+  posterize() {
+    return bridge.dispatchSync("fly.Image.traceSVG", this._ref, "posterize")
   }
 }
 
 export namespace Image {
+
   export interface Color {
     /** red channel, 0-255 */
     r: number,

v8env/test/image.spec.js

@@ -3,6 +3,8 @@ import { expect } from 'chai'
 const logo = require("./fixtures/logo.png")
 const picture = require("./fixtures/picture.jpg")
 const overlay = require("./fixtures/overlay.png")
+const svgTrace = require("./fixtures/picture.trace")
+const svgPosterize = require("./fixtures/picture.posterize")
 const { Image } = require("@fly/image")
 describe("Image", () => {
   it("Image(create)", () => {
@@ -94,4 +96,17 @@ describe("Image", () => {
     expect(err).to.not.be.null
     expect(err.toString()).to.include("unsupported image format")
   })//*/
+
+  it("trace()", async () => {
+    const img = new Image(picture)
+    const svg = img.trace()
+
+    expect(svg).to.eq(svgTrace, "SVG data didn't match")
+  })
+  it("posterize", async () => {
+    const img = new Image(picture)
+    const svg = img.posterize()
+
+    expect(svg).to.eq(svgPosterize, "SVG data didn't match")
+  })
 })