Add retry plugin and related options

__test__/get-retry-options.test.ts

@@ -0,0 +1,70 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+import {getRetryOptions} from '../src/retry-options'
+
+describe('getRequestOptions', () => {
+  test('retries disabled if retries == 0', async () => {
+    const [retryOptions, requestOptions] = getRetryOptions(0, 8, [
+      400,
+      500,
+      502
+    ])
+
+    expect(retryOptions.enabled).toBe(false)
+    expect(retryOptions.doNotRetry).toBeFalsy()
+
+    expect(requestOptions.retries).toBeFalsy()
+  })
+
+  test('properties set if retries > 0', async () => {
+    const [retryOptions, requestOptions] = getRetryOptions(1, 8, [
+      400,
+      500,
+      502
+    ])
+
+    expect(retryOptions.enabled).toBe(true)
+    expect(retryOptions.doNotRetry).toEqual([400, 500, 502])
+
+    expect(requestOptions.retries).toEqual(1)
+    expect(requestOptions.retryAfter).toEqual(8)
+  })
+
+  test('properties set if retries > 0', async () => {
+    const [retryOptions, requestOptions] = getRetryOptions(1, 8, [
+      400,
+      500,
+      502
+    ])
+
+    expect(retryOptions.enabled).toBe(true)
+    expect(retryOptions.doNotRetry).toEqual([400, 500, 502])
+
+    expect(requestOptions.retries).toEqual(1)
+    expect(requestOptions.retryAfter).toEqual(8)
+  })
+
+  test('retryAfter can be set to zero', async () => {
+    const [retryOptions, requestOptions] = getRetryOptions(1, 0, [
+      400,
+      500,
+      502
+    ])
+
+    expect(retryOptions.enabled).toBe(true)
+    expect(retryOptions.doNotRetry).toEqual([400, 500, 502])
+
+    expect(requestOptions.retries).toEqual(1)
+    expect(requestOptions.retryAfter).toEqual(0)
+  })
+
+  test('retryOptions.doNotRetry not set if doNotRetry isEmpty', async () => {
+    const [retryOptions, requestOptions] = getRetryOptions(1, 0, [])
+
+    expect(retryOptions.enabled).toBe(true)
+    expect(retryOptions.doNotRetry).toBeUndefined()
+
+    expect(requestOptions.retries).toEqual(1)
+    expect(requestOptions.retryAfter).toEqual(0)
+  })
+})

action.yml

@@ -21,8 +21,17 @@ inputs:
   previews:
     description: A comma-separated list of API previews to accept
   result-encoding:
-    description: Either "string" or "json" (default "json")—how the result will be encoded 
+    description: Either "string" or "json" (default "json")—how the result will be encoded
     default: json
+  retries:
+    description: "The number of times to retry a request"
+    default: "0"
+  retry-after:
+    description: "The number of seconds between retries. No effect unless `retries` is set."
+    default: "0"
+  do-not-retry:
+    description: "A comma separated list of status codes that will NOT be retried. Example: '400,500'. No effect unless `retries` is set."
+    default: ""
 outputs:
   result:
     description: The return value of the script, stringified with `JSON.stringify`