Add withCommand

ksxnodemodules · Apr 25, 2018 · d8923db · d8923db
1 parent 2f48fa6
commit d8923db
Show file tree

Hide file tree

Showing 6 changed files with 93 additions and 28 deletions.
diff --git a/packages/typescript/extra-jest/__snapshots__/index.test.ts.snap b/packages/typescript/extra-jest/__snapshots__/index.test.ts.snap
@@ -25,6 +25,7 @@ Object {
     "unsafe": [Function],
   },
   "snapSpawn": Object {
+    "createSpawnFunc": [Function],
     "default": [Function],
     "snap": [Function],
     "spawn": [Function],

diff --git a/packages/typescript/extra-jest/lib/snap-spawn/index.ts b/packages/typescript/extra-jest/lib/snap-spawn/index.ts
@@ -1,6 +1,6 @@
 import {SpawnSyncOptions} from 'child_process'
 import * as xsnap from '../snap'
-import spawn, {SpawnFunc} from './lib/spawn'
+import spawn, {SpawnFunc, createSpawnFunc} from './lib/spawn'
 
 export * from './lib/spawn'
 
@@ -13,4 +13,13 @@ export function snap (
   return snap(spawn(fn, argv, options))
 }
 
+export namespace snap {
+  export const withCommand = (
+    command: string,
+    argv?: string[],
+    options?: SpawnSyncOptions,
+    fsnap = xsnap.safe
+  ) => snap(createSpawnFunc(command), argv, options, fsnap)
+}
+
 export default snap
diff --git a/packages/typescript/extra-jest/lib/snap-spawn/lib/spawn.ts b/packages/typescript/extra-jest/lib/snap-spawn/lib/spawn.ts
@@ -1,4 +1,5 @@
-import {SpawnSyncOptions, SpawnSyncReturns} from 'child_process'
+import {SpawnSyncOptions, SpawnSyncReturns, spawnSync} from 'child_process'
+import ramda from 'ramda'
 
 export type IOData = Buffer | string
 export type OptionalIOData = IOData | null | undefined
@@ -22,6 +23,8 @@ export interface SpawnReturns {
 
 export type SpawnFunc = (argv: string[], options: SpawnSyncOptions) => SpawnSyncReturns<IOData>
 
+export const createSpawnFunc = (command: string): SpawnFunc => ramda.partial(spawnSync, [command])
+
 export function spawn (
   fn: SpawnFunc,
   argv: string[] = [],
@@ -41,4 +44,12 @@ export function spawn (
   }
 }
 
+export namespace spawn {
+  export const withCommand = (
+    command: string,
+    argv?: string[],
+    options?: SpawnSyncOptions
+  ) => spawn(createSpawnFunc(command), argv, options)
+}
+
 export default spawn
diff --git a/packages/typescript/extra-jest/package.json b/packages/typescript/extra-jest/package.json
@@ -3,9 +3,11 @@
   "version": "0.0.0",
   "main": "index.js",
   "dependencies": {
+    "ramda": "^0.25.0",
     "fs-extra": "^5.0.0",
     "fs-tree-utils": "^0.0.0",
     "unique-temp-path": "^0.0.0",
+    "@types/ramda": "^0.25.24",
     "@types/fs-extra": "^5.0.1",
     "@types/node": "^9.6.4"
   },

diff --git a/packages/typescript/extra-jest/test/snap-spawn.test/__snapshots__/index.test.ts.snap b/packages/typescript/extra-jest/test/snap-spawn.test/__snapshots__/index.test.ts.snap
@@ -1,6 +1,34 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`executes echo 1`] = `
+exports[`passing command executes echo 1`] = `
+"
+error: null
+signal: null
+status: 0
+stderr: ((EMPTY))
+stdout: |+
+
+  Hello, World!!
+
+
+"
+`;
+
+exports[`passing command executes node 1`] = `
+"
+error: null
+signal: null
+status: 0
+stderr: ((EMPTY))
+stdout: |+
+
+  { abc: 123, def: 456 }
+
+
+"
+`;
+
+exports[`passing functions executes echo 1`] = `
 Object {
   "arguments": Object {
     "argv": Array [
@@ -13,7 +41,7 @@ Object {
 }
 `;
 
-exports[`executes echo 2`] = `
+exports[`passing functions executes echo 2`] = `
 "
 error: null
 signal: null
@@ -27,7 +55,7 @@ stdout: |+
 "
 `;
 
-exports[`executes node 1`] = `
+exports[`passing functions executes node 1`] = `
 Object {
   "arguments": Object {
     "argv": Array [],
@@ -38,7 +66,7 @@ Object {
 }
 `;
 
-exports[`executes node 2`] = `
+exports[`passing functions executes node 2`] = `
 "
 error: null
 signal: null

diff --git a/packages/typescript/extra-jest/test/snap-spawn.test/index.test.ts b/packages/typescript/extra-jest/test/snap-spawn.test/index.test.ts
@@ -1,28 +1,42 @@
 import {spawnSync} from 'child_process'
 import snapSpawn from '../../lib/snap-spawn'
 
-it('executes echo', () => snapSpawn(
-  (argv, options) => {
-    expect({
-      arguments: {argv, options}
-    }).toMatchSnapshot()
+describe('passing functions', () => {
+  it('executes echo', () => snapSpawn(
+    (argv, options) => {
+      expect({
+        arguments: {argv, options}
+      }).toMatchSnapshot()
 
-    return spawnSync('echo', argv, options)
-  },
-  ['Hello, World!!'],
-  {encoding: 'utf8'}
-)())
+      return spawnSync('echo', argv, options)
+    },
+    ['Hello, World!!'],
+    {encoding: 'utf8'}
+  )())
 
-it('executes node', () => snapSpawn(
-  (argv, options) => {
-    expect({
-      arguments: {argv, options}
-    }).toMatchSnapshot()
+  it('executes node', () => snapSpawn(
+    (argv, options) => {
+      expect({
+        arguments: {argv, options}
+      }).toMatchSnapshot()
 
-    return spawnSync('node', argv, options)
-  },
-  [],
-  {
-    input: 'console.log({abc: 123, def: 456})'
-  }
-)())
+      return spawnSync('node', argv, options)
+    },
+    [],
+    {
+      input: 'console.log({abc: 123, def: 456})'
+    }
+  )())
+})
+
+describe('passing command', () => {
+  it(
+    'executes echo',
+    snapSpawn.withCommand('echo', ['Hello, World!!'])
+  )
+
+  it(
+    'executes node',
+    snapSpawn.withCommand('node', [], {input: 'console.log({abc: 123, def: 456})'})
+  )
+})