Add unit & integration testing

* Add Cypress component testing
* Add SeedAddress component testing
* Add Error component test
* Add Search component test
* Add code coverage instrumentation
* Add BranchSelector component testing
* Add coverage check to CI
* Require node version 14

Signed-off-by: Sebastian Martinez <sebastinez@me.com>

.github/workflows/check-components.yml

@@ -0,0 +1,14 @@
+name: check-components 
+on: [push, pull_request]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: '14'
+      - run: npm ci
+      - run: ./scripts/test
+        shell: bash

.gitignore

@@ -1,3 +1,7 @@
 build/
 node_modules/
 NOTES
+
+# Coverage
+.nyc_output
+coverage

.nvmrc

@@ -0,0 +1 @@
+14

.nycrc.json

@@ -0,0 +1,10 @@
+{
+  "all": true,
+  "extension": [
+    ".svelte",
+    ".ts"
+  ],
+  "include": [
+    "src/**/*"
+  ]
+}

cypress.json

@@ -0,0 +1,7 @@
+{
+  "video": false,
+  "componentFolder": "src",
+  "testFiles": "**/*spec.{js,ts}",
+  "pluginsFile": "cypress/plugins/index.cjs",
+  "baseUrl": "http://localhost:3000"
+}

cypress/plugins/index.cjs

@@ -0,0 +1,18 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const { startDevServer } = require('@cypress/vite-dev-server');
+const path = require('path');
+
+module.exports = (on, config) => {
+  on('dev-server:start', (options) => {
+    return startDevServer({
+      options,
+      viteConfig: {
+        configFile: path.resolve(__dirname, '..', '..', 'vite.config.ts'),
+      },
+    });
+  });
+
+  require('@cypress/code-coverage/task')(on, config);
+
+  return config;
+};

cypress/support/index.ts

@@ -0,0 +1,19 @@
+import '@cypress/code-coverage/support';
+import '@testing-library/cypress/add-commands';
+
+export const styles = {
+  cssFile: "public/index.css",
+  style: `
+  .wrapper {
+    height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+  `,
+  html: `
+    <div class="wrapper">
+      <div id="here" />
+    </div>
+  `
+};

package.json

@@ -5,20 +5,28 @@
     "serve": "vite preview",
     "build": "scripts/build",
     "check": "scripts/check",
-    "test": "echo \"This template does not include a test runner by default.\" && exit 1"
+    "test": "cypress run-ct"
   },
   "type": "module",
+  "engines": {
+    "node": ">=14"
+  },
   "devDependencies": {
-    "@sveltejs/vite-plugin-svelte": "1.0.0-next.10",
-    "@tsconfig/svelte": "^1.0.10",
-    "@types/node": "^15.12.2",
+    "@cypress/code-coverage": "^3.9.12",
+    "@cypress/vite-dev-server": "^2.2.2",
+    "@sveltejs/vite-plugin-svelte": "^1.0.0-next.36",
+    "@testing-library/cypress": "^8.0.2",
+    "@tsconfig/svelte": "^1.0.13",
     "@typescript-eslint/eslint-plugin": "^4.26.1",
     "@typescript-eslint/parser": "^4.26.1",
+    "cypress": "^9.3.1",
+    "cypress-svelte-unit-test": "git+https://github.com/flakolefluk/cypress-svelte-unit-test.git",
     "eslint": "^7.28.0",
     "eslint-plugin-svelte3": "^3.2.0",
     "svelte-check": "^1.5.2",
     "typescript": "^4.2.4",
-    "vite": "^2.3.7",
+    "vite": "^2.7.13",
+    "vite-plugin-istanbul": "^2.4.0",
     "vite-plugin-rewrite-all": "^0.1.2"
   },
   "dependencies": {
@@ -44,7 +52,7 @@
     "multibase": "^4.0.4",
     "multihashes": "^4.0.2",
     "pure-svg-code": "^1.0.6",
-    "svelte": "^3.32.3",
+    "svelte": "^3.44.3",
     "svelte-preprocess": "^4.7.2",
     "svelte-routing": "^1.6.0"
   }

scripts/test

@@ -0,0 +1,5 @@
+#!/bin/sh
+# For now we only check the Svelte files.
+
+npm test
+npx nyc report

src/Error.spec.ts

@@ -0,0 +1,42 @@
+import Error from "./Error.svelte";
+import { mount } from "cypress-svelte-unit-test";
+import { Failure } from '@app/error';
+import { styles } from "@test/support/index";
+
+describe('Error', function () {
+  it("Open Error modal with default props", () => {
+    mount(Error, { props: {
+      subtitle: "Subtitle of Modal",
+      error: {
+        type: Failure.InsufficientBalance,
+        txHash: "0x8b678e51f970c5307bf45a8bcea373b597f9acbcea5c5ba784a1d383361a89d1",
+        message: "Not enough RAD"
+      }
+    }
+    }, styles);
+    cy.get("[slot=title]").should("have.text", " Error");
+    cy.get("[slot=subtitle]").should("have.text", "Subtitle of Modal");
+    cy.get("[slot=body]").should("have.text", "Error: Not enough RAD");
+    cy.get("button").should("have.text", "Back");
+  });
+
+  it("Open Error modal with custom message", () => {
+    mount(Error, { props: {
+      subtitle: "Subtitle of Modal",
+      message: "Error message to check for",
+    } }, styles);
+    cy.get("[slot=subtitle]").should("have.text", "Subtitle of Modal");
+    cy.get("[slot=body]").should("have.text", "Error: Error message to check for");
+    cy.get("button").should("have.text", "Back");
+  });
+
+  it("Check floating modal changes button label to Close", () => {
+    mount(Error, { props: {
+      title: "Title of Modal",
+      subtitle: "Subtitle of Modal",
+      message: "Error message to check for",
+      floating: true
+    } }, styles);
+    cy.get("button").should("have.text", "Close");
+  });
+});

src/Search.spec.ts

@@ -0,0 +1,18 @@
+import Search from "./Search.svelte";
+import { mount } from "cypress-svelte-unit-test";
+import { styles } from "@test/support/index";
+
+describe('Search', function () {
+  it("Renders correctly", () => {
+    mount(Search, {}, styles);
+    cy.get("input").should("exist");
+    cy.get("input").should("have.attr", "placeholder", "Search a name or address...");
+  });
+
+  it("Search input displays and navigates correctly", () => {
+    mount(Search, {}, styles);
+    cy.get("input").type("cloudhead{enter}");
+    cy.get("input").should("have.value", "cloudhead");
+    cy.url().should("contain", "/resolver/query?q=cloudhead");
+  });
+});

src/SeedAddress.spec.ts

@@ -0,0 +1,27 @@
+import SeedAddress from "./SeedAddress.svelte";
+import { mount } from "cypress-svelte-unit-test";
+import { styles } from "@test/support/index";
+
+describe('SeedAddress', function () {
+  it("Renders correctly", () => {
+    mount(SeedAddress, {
+      props: {
+        id: "hydkkkf5ksbe5fuszdhpqhytu3q36gwagj874wxwpo5a8ti8coygh1",
+        host: "seed.cloudhead.io",
+        port: 8776
+      }
+    }, styles);
+    cy.findByText("hydkkk…coygh1@seed.cloudhead.io").should("exist").should("have.attr", "href", "/seeds/seed.cloudhead.io");
+    cy.findByText(":8776").should("exist");
+    cy.findByText("Copy").should("exist");
+  });
+
+  it("Copies seed address correctly", () => {
+    cy.findByText("Copy").click().should("exist");
+    cy.findByText("Copy ✓").should("have.attr", "disabled");
+    // We invoke the cy.window here since doing the clipboard action in the runner window, would throw an error
+    cy.window().its("navigator.clipboard").invoke("readText").should("equal", "hydkkkf5ksbe5fuszdhpqhytu3q36gwagj874wxwpo5a8ti8coygh1@seed.cloudhead.io:8776");
+    cy.wait(4000);
+    cy.findByText("Copy").click().should("exist").should("not.have.attr", "disabled");
+  });
+});

src/SeedAddress.svelte

@@ -1,8 +1,6 @@
 <script lang="ts">
-  import type { Config } from "./config";
   import { formatSeedAddress, formatSeedId, toClipboard } from "./utils";
 
-  export let config: Config;
   export let id: string;
   export let host: string;
   export let port: number;
@@ -10,7 +8,7 @@
   let seedCopied = false;
 
   const copySeed = (seedId: string, seedHost: string) => {
-    return () => toClipboard(formatSeedAddress(seedId, seedHost, config)).then(() => {
+    return () => toClipboard(formatSeedAddress(seedId, seedHost, port)).then(() => {
       seedCopied = true;
       setTimeout(() => {
         seedCopied = false;

src/base/orgs/View.svelte

@@ -251,7 +251,7 @@
           <!-- Seed Address -->
           {#if profile.seedId && profile.seedHost}
             <div class="label">Seed</div>
-            <SeedAddress {config} id={profile.seedId} host={profile.seedHost} port={config.seed.link.port} />
+            <SeedAddress id={profile.seedId} host={profile.seedHost} port={config.seed.link.port} />
           {/if}
           <!-- Name/Profile -->
           <div class="label">Profile</div>

src/base/projects/BranchSelector.spec.ts

@@ -0,0 +1,111 @@
+import BranchSelector from "./BranchSelector.svelte";
+import { mount } from "cypress-svelte-unit-test";
+import { styles } from "@test/support/index";
+
+const defaultProps = {
+  project: {
+    head: "e678629cd37c770c640a2cd997fc76303c815772",
+    meta: {
+      name: "nakamoto",
+      description: "Privacy-preserving Bitcoin light-client implementation in Rust",
+      defaultBranch: "master",
+      maintainers: [
+        "rad:git:hnrkqdpm9ub19oc8dccx44echy76hzfsezyio"
+      ],
+      delegates: [
+        "hyn9diwfnytahjq8u3iw63h9jte1ydcatxax3saymwdxqu1zo645pe"
+      ]
+    }
+  },
+  branches: [
+    ["master", "e678629cd37c770c640a2cd997fc76303c815772"]
+  ],
+  revision: "e678629cd37c770c640a2cd997fc76303c815772",
+};
+
+describe('BranchSelector', function () {
+  it("Render with commit = head and branch listing", () => {
+    mount(BranchSelector, {
+      props: defaultProps
+    }, styles
+    );
+    cy.findByText("master").should("exist");
+    cy.get("div.commit > div.hash.desktop").should("have.text", "e678629");
+  });
+
+  it("Test Branch selection", () => {
+    // The viewport here is to simulate desktop behaviour
+    cy.viewport(800, 300);
+    mount(BranchSelector, {
+      props: {
+        ...defaultProps, branches: [
+          ["master", "e678629cd37c770c640a2cd997fc76303c815772"],
+          ["feature-branch", "29e8b7b0f3019b8e8a6d9bfb0964ee78f4ff12f5"],
+          ["xyz", "debf82ef3623ec11751a993bda85bac2ff1c6f00"],
+        ],
+        branchesDropdown: true,
+      }, callbacks: {
+        revisionChanged: cy.stub().as("revisionChanged")
+      }
+    }, styles
+    );
+    cy.get("div.dropdown > div").first().click();
+    cy.get("@revisionChanged")
+      .should("be.calledOnce")
+      .its("firstCall.args.0.detail")
+      .should("equal", "feature-branch");
+  });
+
+  it("Render with commit != head, passing a branch as rev and branch listing", () => {
+    mount(BranchSelector, {
+      props: {
+        ...defaultProps, branches: [
+          ["master", "e678629cd37c770c640a2cd997fc76303c815772"],
+          ["feature-branch", "29e8b7b0f3019b8e8a6d9bfb0964ee78f4ff12f5"],
+          ["xyz", "debf82ef3623ec11751a993bda85bac2ff1c6f00"],
+          ["xyz", "8b18e8006849e36872cb928d87179e4e222fb689"]
+        ],
+        revision: "feature-branch"
+      }
+    }, styles
+    );
+    cy.findByText("feature-branch").should("exist");
+    cy.get("div.commit > div.hash.desktop").should("have.text", "29e8b7b");
+  });
+
+  it("Render with commit != head passing a commit as rev and branch listing", () => {
+    mount(BranchSelector, {
+      props: {
+        ...defaultProps,
+        revision: "debf82ef3623ec11751a993bda85bac2ff1c6f00"
+      }
+    }, styles
+    );
+    cy.get("div.commit > div.hash.desktop").should("have.text", "debf82ef3623ec11751a993bda85bac2ff1c6f00");
+  });
+
+  it("Render with commit = head, without branch listing", () => {
+    mount(BranchSelector, {
+      props: {
+        ...defaultProps,
+        revision: "e678629cd37c770c640a2cd997fc76303c815772",
+        branches: [],
+      }
+    }, styles
+    );
+    cy.findByText("master").should("exist");
+    cy.get("div.commit > div.hash").should("have.text", "e678629");
+  });
+
+  it("Render without branch listing, commit != head", () => {
+    mount(BranchSelector, {
+      props: {
+        ...defaultProps,
+        revision: "6b84e519d3c535879eb2b9ee8457bb70ca275a75",
+        branches: [],
+      }
+    }, styles
+    );
+    cy.get("div.commit > div.hash.desktop").should("have.text", "6b84e519d3c535879eb2b9ee8457bb70ca275a75");
+  });
+});

src/base/seeds/View.svelte

@@ -96,7 +96,7 @@
       <!-- Seed Address -->
       <div class="label">Address</div>
       {#if info.version === "0.2.0" && info.host}
-        <SeedAddress {config} id={info.id} host={info.host} port={config.seed.link.port} />
+        <SeedAddress id={info.id} host={info.host} port={config.seed.link.port} />
       {:else}
         <div class="seed-address subtle">N/A</div>
         <div class="desktop" />

src/base/users/View.svelte

@@ -177,7 +177,7 @@
       <!-- Seed Address -->
       {#if profile.seedId && profile.seedHost}
         <div class="label">Seed</div>
-          <SeedAddress {config} id={profile.seedId} host={profile.seedHost} port={config.seed.link.port} />
+        <SeedAddress id={profile.seedId} host={profile.seedHost} port={config.seed.link.port} />
       {/if}
       <!-- Profile -->
       <div class="label">Profile</div>

src/utils.ts

@@ -72,8 +72,8 @@ export function isAddressEqual(left: string, right: string): boolean {
   return left.toLowerCase() === right.toLowerCase();
 }
 
-export function formatSeedAddress(id: string, host: string, config: Config): string {
-  return `${id}@${host}:${config.seed.link.port}`;
+export function formatSeedAddress(id: string, host: string, port: number): string {
+  return `${id}@${host}:${port}`;
 }
 
 export function formatSeedId(id: string): string {
@@ -111,13 +111,14 @@ export function formatIpfsFile(ipfs: string | undefined): string | undefined {
 }
 
 export function formatHash(hash: string): string {
+  if (hash.length < 10) return hash;
   return hash.substring(0, 6)
     + '...'
     + hash.substring(hash.length - 4, hash.length);
 }
 
 export function formatCommit(oid: string): string {
-  return oid.substring(0,7);
+  return oid.substring(0, 7);
 }
 
 export function formatOrg(input: string, config: Config): string {
@@ -130,7 +131,7 @@ export function formatOrg(input: string, config: Config): string {
 
 export function capitalize(s: string): string {
   if (s === "") return s;
-  return s[0].toUpperCase() + s.substr(1);
+  return s[0].toUpperCase() + s.substring(1);
 }
 
 // Takes a domain name, eg. 'cloudhead.radicle.eth' and
@@ -196,7 +197,7 @@ export function isENSName(input: string, config: Config): boolean {
   return regEx.test(input);
 }
 
-// Check whether the input is an Ethereum address.
+// Check whether the input is an checksummed or all lowercase Ethereum address.
 export function isAddress(input: string): boolean {
   return ethers.utils.isAddress(input);
 }
@@ -424,7 +425,7 @@ export function isMarkdownPath(path: string): boolean {
 // Also accepts in dev env 0.0.0.0 as domain
 export function isDomain(input: string): boolean {
   return (/^[a-z][a-z0-9.-]+$/.test(input) && /\.[a-z]+$/.test(input))
-    || (!import.meta.env.PROD && /^0.0.0.0$/.test(input)) ;
+    || (! import.meta.env.PROD && /^0.0.0.0$/.test(input));
 }
 
 // Propose a Gnosis Safe multi-sig transaction.
@@ -504,7 +505,7 @@ export async function executeSignedSafeTransaction(
     ...signedTx,
     gasPrice: Number(signedTx.gasPrice),
     data: signedTx.data
-  } );
+  });
 
   signedTx.confirmations.forEach(confirmation => {
     const signature = new EthSignSignature(confirmation.owner, confirmation.signature);

tsconfig.json

@@ -1,7 +1,8 @@
 {
   "extends": "@tsconfig/svelte/tsconfig.json",
   "include": [
-    "src"
+    "src",
+    "cypress"
   ],
   "exclude": [
     "node_modules/*"
@@ -11,7 +12,9 @@
     "module": "es2020",
     "types": [
       "svelte",
-      "vite/client"
+      "vite/client",
+      "cypress",
+      "@testing-library/cypress"
     ],
     "sourceMap": true,
     "moduleResolution": "node",
@@ -22,7 +25,8 @@
     "importsNotUsedAsValues": "error",
     "skipLibCheck": true,
     "paths": {
-      "@app/*": ["./src/*"]
+      "@app/*": ["./src/*"],
+      "@test/*": ["./cypress/*"]
     }
   },
   "noEmit": true

vite.config.ts

@@ -1,18 +1,31 @@
+/// <reference types="vitest" />
 import path from 'path';
 import { UserConfig } from 'vite';
-import svelte from '@sveltejs/vite-plugin-svelte';
+import { svelte } from '@sveltejs/vite-plugin-svelte';
 import rewriteAll from 'vite-plugin-rewrite-all';
+import IstanbulPlugin from 'vite-plugin-istanbul';
+
 
 const config: UserConfig = {
   optimizeDeps: {
     exclude: ['svelte-routing', '@pedrouid/environment', '@pedrouid/iso-crypto']
   },
-  plugins: [svelte(), rewriteAll()],
+  plugins: [
+    svelte({ hot: !process.env.VITEST }),
+    rewriteAll(),
+    IstanbulPlugin({
+      include: "src/**/*",
+      exclude: ["node_modules"],
+      extension: [".ts", ".svelte"],
+      cypress: true
+    })
+  ],
   resolve: {
     alias: {
       // This is needed for vite not to choke.
       "caip": path.resolve("./node_modules/caip/dist/umd/index.min.js"),
       '@app': path.resolve('./src'),
+      '@test': path.resolve('./cypress'),
       // Polyfill for Node.js 'stream' library.
       'stream': path.resolve('./src/polyfills/stream.ts'),
       'typedarray-to-buffer': path.resolve('./src/polyfills/typedarray-to-buffer.js'),