Add retry tests

package.json

@@ -58,6 +58,7 @@
         "@zeit/ncc": "^0.22.3",
         "jest": "^28.1.1",
         "jest-when": "^3.5.1",
+        "mock-http-server": "^1.4.5",
         "semantic-release": "^19.0.3"
     }
 }

src/action.test.js

@@ -8,7 +8,6 @@ const got = require('got');
 const {
     exportSecrets,
     parseSecretsInput,
-    parseResponse,
     parseHeadersInput
 } = require('./action');
 

src/retries.test.js

@@ -0,0 +1,69 @@
+jest.mock('@actions/core');
+
+const core = require('@actions/core');
+const ServerMock = require("mock-http-server");
+const { exportSecrets } = require("./action");
+const { when } = require('jest-when');
+
+describe('exportSecrets retries', () => {
+    var server = new ServerMock({ host: "127.0.0.1", port: 0 });
+    var calls = 0;
+
+    beforeEach((done) => {
+        calls = 0;
+        jest.resetAllMocks();
+
+        when(core.getInput)
+            .calledWith('token', expect.anything())
+            .mockReturnValueOnce('EXAMPLE');
+
+        when(core.getInput)
+            .calledWith('secrets', expect.anything())
+            .mockReturnValueOnce("kv/mysecret key");
+
+        server.start(() => {
+            expect(server.getHttpPort()).not.toBeNull();
+            when(core.getInput)
+                .calledWith('url', expect.anything())
+                .mockReturnValueOnce('http://127.0.0.1:' + server.getHttpPort());
+            done();
+        });
+    });
+
+    afterEach((done) => {
+        server.stop(done);
+    });
+
+    function mockStatusCodes(statusCodes) {
+        server.on({
+            path: '/v1/kv/mysecret',
+            reply: {
+                status: function() {
+                    let status = statusCodes[calls];
+                    calls += 1;
+                    return status;
+                },
+                headers: { "content-type": "application/json" },
+                body: function() {
+                    return JSON.stringify({ data: {"key": "value"} })
+                }
+            }
+        });
+    }
+
+    it('retries on 412 status code', (done) => {
+        mockStatusCodes([412, 200])
+        exportSecrets().then(() => {
+            expect(calls).toEqual(2);
+            done();
+        });
+    });
+
+    it('retries on 500 status code', (done) => {
+        mockStatusCodes([500, 200])
+        exportSecrets().then(() => {
+            expect(calls).toEqual(2);
+            done();
+        });
+    });
+});