From 08441494f12dfa6a4a2fed71b76fa52579e001d6 Mon Sep 17 00:00:00 2001
From: Christopher Hase <Christopher.Hase@telekom.de>
Date: Mon, 31 Mar 2025 13:59:41 +0200
Subject: [PATCH] unit tests part 1

---
 README.md      | 14 +++++++++++++-
 broker.test.ts | 27 +++++++++++++++++++++++++++
 broker.ts      |  4 +++-
 config.json    |  2 +-
 jest.config.ts |  5 +++++
 package.json   |  2 +-
 6 files changed, 50 insertions(+), 4 deletions(-)
 create mode 100644 broker.test.ts
 create mode 100644 jest.config.ts

diff --git a/README.md b/README.md
index b1e6534..d634221 100644
--- a/README.md
+++ b/README.md
@@ -13,5 +13,17 @@ This app will send an I-Ching horoscope to the pre-configured mailhog instance i
 This app uses the I-Ching library app https://github.com/Velfi/i-ching.git.
 
 ## Configuration
-It is possible to configure the intervall of days between the sending of horoscopes and the time of sending.
+It is possible to configure the mail host and port.
+It is also possible to configure the intervall of days between the sending of horoscopes and the time of sending. The default is to send one email every seven days at 8 am.
 
+## First Start
+The app can be deployed by running:
+
+    kubectl apply -f deployment.yaml 
+
+When a pod with the app is initally started, one email will be sent to the configured receiver.
+
+## Testing
+The Jest unit tests can be run with
+
+npm test
\ No newline at end of file
diff --git a/broker.test.ts b/broker.test.ts
new file mode 100644
index 0000000..4cf9ca8
--- /dev/null
+++ b/broker.test.ts
@@ -0,0 +1,27 @@
+import { html } from "./broker";
+
+beforeAll(() => {
+  jest.spyOn(console, "log").mockImplementation(() => {});
+});
+
+test("Generate HTML for hexagram", () => {
+  expect(html("Hexagram No. 45  ䷬\nGathering Together [Massing]\n萃 (cuì)"))
+    .toBe("<br><p><div style=\"border: 1px dotted gray; border-radius: 10px; padding-left: 10px; padding-right: 10px; padding-top: 10px; padding-bottom: 10px; width: auto; display: inline-block; box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);\"><h1>Hexagram No. 45  ䷬</h1><div style=\"border: 1px solid gray; border-radius: 25px; padding-left: 30px; padding-right: 30px; padding-top: 20px; width: auto; display: inline-block; text-align: center; box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2);\"><h2>Gathering Together [Massing]  -  萃 (cuì)<br></h2></div></p>");
+
+});
+
+test("Generate HTML for judgement", () => {
+  expect(html("Judgement:\nGathering Together. Success.\nThe king approaches his temple.\nIt furthers one to see the great man.\nThis brings success. Perseverance furthers.\nTo bring great offerings creates good fortune.\nIt furthers one to undertake something."))
+    .toBe("<p><h3>Judgement:</h3>Gathering Together. Success.<br>The king approaches his temple.<br>It furthers one to see the great man.<br>This brings success. Perseverance furthers.<br>To bring great offerings creates good fortune.<br>It furthers one to undertake something.<br></p>");
+
+});
+
+test("Generate HTML for images", () => {
+    expect(html("Images:\nOver the earth, the lake:\nThe image of Gathering Together.\nThus the superior man renews his weapons\nIn order to meet the unforseen."))
+      .toBe("<p><h3>Images:</h3>Over the earth, the lake:<br>The image of Gathering Together.<br>Thus the superior man renews his weapons<br>In order to meet the unforseen.<br></p></div>");
+  
+  });
+
+afterAll(() => {
+  (console.log as jest.Mock).mockRestore();
+});
diff --git a/broker.ts b/broker.ts
index 785e31d..f48791b 100644
--- a/broker.ts
+++ b/broker.ts
@@ -137,7 +137,7 @@ function scheduleNextRun(nextRunDate: Date) {
 }
 
 // Generate 1) Parse Tree and 2) HTML
-function html(inputText: string): string {
+export function html(inputText: string): string {
   const parseTree = parse(inputText);
   const htmlOutput = render(parseTree);
 
@@ -229,5 +229,7 @@ function render(node: Node): string {
 
       return outputHTML;
   }
+
+
 }
   
\ No newline at end of file
diff --git a/config.json b/config.json
index 60134d4..92bec07 100644
--- a/config.json
+++ b/config.json
@@ -1,5 +1,5 @@
 {
-    "daysInterval": 2,
+    "daysInterval": 7,
     "timeOfDay": "8:00",
     "emailReceiver": "test@mailhog.local",
     "mailHost": "mailhog.mailhog.svc.cluster.local",
diff --git a/jest.config.ts b/jest.config.ts
new file mode 100644
index 0000000..c10c522
--- /dev/null
+++ b/jest.config.ts
@@ -0,0 +1,5 @@
+module.exports = {
+    transform: {
+      "^.+\\.tsx?$": "ts-jest"
+    }
+  };
\ No newline at end of file
diff --git a/package.json b/package.json
index a1318ce..c50fb98 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "main": "broker.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "keywords": [],
   "author": "",