feat(config): difined the travis config file

package.json

@@ -52,5 +52,8 @@
     "rollup-plugin-auto-external": "^2.0.0",
     "sinon": "^7.3.0",
     "travis-lint": "^1.0.0"
+  },
+  "dependencies": {
+    "write-yaml": "^1.0.0"
   }
 }

src/config.js

@@ -0,0 +1,8 @@
+import writeYaml from '../third-party-wrappers/write-yaml';
+
+export default function ({projectRoot}) {
+  return writeYaml(
+    `${projectRoot}/.travis.yml`,
+    {language: 'generic', notifications: {email: false}, install: 'bpkg getdeps', script: 'make test'}
+  );
+}

src/scaffolder.js

@@ -1,3 +1,7 @@
-export default function () {
+import scaffoldConfig from './config';
+
+export default async function ({projectRoot}) {
+  await scaffoldConfig({projectRoot});
+
   return {};
 }

test/unit/config-test.js

@@ -0,0 +1,35 @@
+import sinon from 'sinon';
+import {assert} from 'chai';
+import any from '@travi/any';
+import * as yamlWriter from '../../third-party-wrappers/write-yaml';
+import scaffoldConfig from '../../src/config';
+
+suite('config file generation', () => {
+  let sandbox;
+  const projectRoot = any.string();
+
+  setup(() => {
+    sandbox = sinon.createSandbox();
+
+    sandbox.stub(yamlWriter, 'default');
+
+    yamlWriter.default.resolves();
+  });
+
+  teardown(() => sandbox.restore());
+
+  test('that a base config is created for a shell project', async () => {
+    await scaffoldConfig({projectRoot});
+
+    assert.calledWith(
+      yamlWriter.default,
+      `${projectRoot}/.travis.yml`,
+      {
+        language: 'generic',
+        notifications: {email: false},
+        install: 'bpkg getdeps',
+        script: 'make test'
+      }
+    );
+  });
+});

test/unit/scaffolder-test.js

@@ -1,8 +1,24 @@
 import {assert} from 'chai';
+import any from '@travi/any';
+import sinon from 'sinon';
+import * as configScaffolder from '../../src/config';
 import {scaffold} from '../../src';
 
 suite('scaffolder', () => {
-  test('that the config is scaffolded', () => {
-    assert.deepEqual(scaffold(), {});
+  let sandbox;
+
+  setup(() => {
+    sandbox = sinon.createSandbox();
+
+    sandbox.stub(configScaffolder, 'default');
+  });
+
+  teardown(() => sandbox.restore());
+
+  test('that the config is scaffolded', async () => {
+    const projectRoot = any.string();
+
+    assert.deepEqual(await scaffold({projectRoot}), {});
+    assert.calledWith(configScaffolder.default, {projectRoot});
   });
 });

third-party-wrappers/write-yaml.js

@@ -0,0 +1,4 @@
+import {promisify} from 'util';
+import yaml from 'write-yaml';
+
+export default promisify(yaml);