introduce proper testing

.gitignore

@@ -1 +1,2 @@
-node_modules
+node_modules
+.env

.vscode/launch.json

@@ -0,0 +1,19 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Jest Test",
+            "program": "${workspaceRoot}/node_modules/jest/bin/jest.js",
+            "args": [
+                "-i"
+            ],
+            "internalConsoleOptions": "openOnSessionStart",
+            "envFile": "${workspaceFolder}/.env"
+        }
+    ]
+}

index.test.js

@@ -1,3 +1,165 @@
-test('throws invalid number', async() => {
-    //todo - many tests are checked in 'test.yml' action
-});
+const core = require('@actions/core');
+
+const action = './src';
+
+const webhook_url = process.env.MSTEAMS_WEBHOOK;
+const dry_run = process.env.DRY_RUN.toLowerCase() == "true";
+
+const setInputsMock = (inputs) => 
+    jest.fn().mockImplementation((name, options) => inputs[name]);
+
+afterEach(() => {
+    jest.resetModules();
+});
+
+test('One with everything', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        needs: JSON.stringify({
+
+        }),
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One with needs', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        needs: JSON.stringify({
+
+        }),
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require('./src');
+});
+
+test('One with steps', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        needs: JSON.stringify({
+
+        }),
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One failure', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        needs: JSON.stringify({
+
+        }),
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One with little info', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        dry_run
+    });
+    require(action);
+});
+
+test('One without emails', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        title: "`Overwrote title in ${workflow_link}`",
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One with emails', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        title: "`Overwrote title in ${workflow_link}`",
+        msteams_emails: "mm@mm.mm, yy@yy.yy, rr@rr.rr",
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One with overwrite', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        title: "`Overwrote title in ${workflow_link}`",
+        job: JSON.stringify({
+
+        }),
+        steps: JSON.stringify({
+
+        }),
+        dry_run
+    });
+    require(action);
+});
+
+test('One with raw data', () => {
+    core.getInput = setInputsMock({
+        webhook_url,
+        raw: JSON.stringify({
+            "type": "message",
+            "attachments":
+            [
+                {
+                    "contentType": "application/vnd.microsoft.card.adaptive",
+                    "content":
+                    {
+                        "type": "AdaptiveCard",
+                        "body":
+                        [
+                            {
+                                "type": "TextBlock",
+                                "size": "Medium",
+                                "weight": "Bolder",
+                                "text": "Test title text"
+                            }
+                        ]
+                    }
+                }
+            ]
+        }),
+        dry_run
+    });
+    require(action);
+});