Add unit tests for restore (#62)

* Move archive file size to utils

* Disable net connect with nock

* Add unit tests for restore

* Fix test names and test URL

src/utils/actionUtils.ts

@@ -1,5 +1,6 @@
 import * as core from "@actions/core";
 import * as io from "@actions/io";
+import * as fs from "fs";
 import * as os from "os";
 import * as path from "path";
 import * as uuidV4 from "uuid/v4";
@@ -32,6 +33,10 @@ export async function createTempDirectory(): Promise<string> {
     return dest;
 }
 
+export function getArchiveFileSize(path: string): number {
+    return fs.statSync(path).size;
+}
+
 export function isExactKeyMatch(
     key: string,
     cacheResult?: ArtifactCacheEntry

src/utils/testUtils.ts

@@ -1,3 +1,6 @@
+import { Inputs } from "../constants";
+
+// See: https://github.com/actions/toolkit/blob/master/packages/core/src/core.ts#L67
 function getInputName(name: string): string {
     return `INPUT_${name.replace(/ /g, "_").toUpperCase()}`;
 }
@@ -5,3 +8,22 @@ function getInputName(name: string): string {
 export function setInput(name: string, value: string) {
     process.env[getInputName(name)] = value;
 }
+
+interface CacheInput {
+    path: string;
+    key: string;
+    restoreKeys?: string[];
+}
+
+export function setInputs(input: CacheInput) {
+    setInput(Inputs.Path, input.path);
+    setInput(Inputs.Key, input.key);
+    input.restoreKeys &&
+        setInput(Inputs.RestoreKeys, input.restoreKeys.join("\n"));
+}
+
+export function clearInputs() {
+    delete process.env[getInputName(Inputs.Path)];
+    delete process.env[getInputName(Inputs.Key)];
+    delete process.env[getInputName(Inputs.RestoreKeys)];
+}