Merge branch 'master' into fix_build_settings

Author: kamiazya

package.json

@@ -26,6 +26,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-node-resolve": "^7.0.0",
+    "@kamiazya/jest-dynamic": "^0.0.1",
     "@types/node": "^13.1.6",
     "jest-snapshot": "^25.4.0",
     "prettier": "^1.19.1",

src/__test__/__snapshots__/index.spec.ts.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`public api toBeValidDotAndMatchSnapshot 1`] = `"digraph g { a -> b; }"`;
+exports[`public api toBeValidDotAndMatchSnapshot 1`] = `digraph g { a -> b; }`;
 
 exports[`public api toMatchDotJsonSnapshot 1`] = `
 Object {

src/__test__/__snapshots__/to-be-valid-dot-and-match-snapshot.spec.ts.snap

@@ -1,3 +1,3 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`toBeValidDotAndMatchSnapshot test matcher works 1`] = `"digraph g { a -> b; }"`;
+exports[`toBeValidDotAndMatchSnapshot test matcher works 1`] = `digraph g { a -> b; }`;

src/__test__/index.spec.ts

@@ -1,12 +1,13 @@
+import { skipOn } from '@kamiazya/jest-dynamic';
 import '../index';
-describe('public api', () => {
-  const runOnWindows = process.platform === 'win32';
 
-  const dot = 'digraph g { a -> b; }';
+const skipOnWindows = skipOn('win32');
 
+describe('public api', () => {
+  const dot = 'digraph g { a -> b; }';
   // Skip test on windows
   // NOTE: Not support output json format on Graphviz windows statable now.
-  (runOnWindows ? test.skip : test)('toMatchDotJsonSnapshot', () => {
+  skipOnWindows.test('toMatchDotJsonSnapshot', () => {
     expect(dot).toMatchDotJsonSnapshot();
   });
 

src/__test__/to-match-dot-json-snapshot.spec.ts

@@ -1,9 +1,11 @@
+import { skipOn } from '@kamiazya/jest-dynamic';
 import '../to-match-dot-json-snapshot';
 
-const runOnWindows = process.platform === 'win32';
+const skipOnWindows = skipOn('win32');
+
 // Skip test on windows
 // NOTE: Not support output json format on Graphviz windows statable now.
-(runOnWindows ? describe.skip : describe)('toMatchDotJsonSnapshot test', () => {
+skipOnWindows.describe('toMatchDotJsonSnapshot test', () => {
   test('matcher works', () => {
     const dot = 'digraph g { a -> b; }';
     expect(dot).toMatchDotJsonSnapshot();

src/lib/__test__/dot-adapter.spec.ts

@@ -1,5 +1,8 @@
+import { skipOn } from '@kamiazya/jest-dynamic';
 import { checkValidDot, dotJsonStdin } from '../dot-adapter';
 
+const skipOnWindows = skipOn('win32');
+
 describe('checkValidDot test', () => {
   test('valid dot', () => {
     expect(() => {
@@ -16,10 +19,9 @@ describe('checkValidDot test', () => {
   });
 });
 
-const runOnWindows = process.platform === 'win32';
 // Skip test on windows
 // NOTE: Not support output json format on Graphviz windows statable now.
-(runOnWindows ? describe.skip : describe)('dotJsonStdin test', () => {
+skipOnWindows.describe('dotJsonStdin test', () => {
   test('valid dot', () => {
     const dot = 'digraph g { a -> b; }';
     const result = dotJsonStdin(dot);

src/serializer.ts

@@ -0,0 +1,24 @@
+const raw = Symbol();
+
+interface IWrapper {
+  [raw]: string;
+}
+
+function test(something: any): something is IWrapper {
+  return something && typeof something[raw] === 'string';
+}
+
+function print(wrapper: IWrapper): string {
+  return wrapper[raw];
+}
+
+export function wrap(value: string): IWrapper {
+  return { [raw]: value };
+}
+
+export const SnapshotSerializer: jest.SnapshotSerializerPlugin = {
+  test,
+  print,
+};
+
+expect.addSnapshotSerializer(SnapshotSerializer);

src/to-be-valid-dot-and-match-snapshot.ts

@@ -1,10 +1,11 @@
 import { toMatchSnapshot } from 'jest-snapshot';
 import { isValidDot } from './lib/is-valid-dot';
+import { wrap } from './serializer';
 
 export function toBeValidDotAndMatchSnapshotMatcher(this: any, dot: string): jest.CustomMatcherResult {
   const result = isValidDot(dot);
   if (result.pass) {
-    return toMatchSnapshot.call(this, dot);
+    return toMatchSnapshot.call(this, wrap(dot));
   }
   return result;
 }