Merge pull request #86 from timoschlueter/feature/add-tests

Feature: Add tests
timoschlueter · Dec 30, 2022 · 03ec1bc · 03ec1bc
2 parents 1146f83 + fc44577
commit 03ec1bc
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Showing 15 changed files with 9,252 additions and 1,536 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,4 @@
 FROM node:18
-LABEL version="2.0.1"
 LABEL description="Script written in TypeScript that uploads CGM readings from LibreLink Up to Nightscout"
 
 # Create app directory
@@ -13,4 +12,10 @@ RUN npm install
 # Bundle app source
 COPY . /usr/src/app
 
+# Run tests
+RUN npm run test
+
+RUN rm -r tests
+RUN rm -r coverage
+
 CMD [ "npm", "start" ]
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
 # Nightscout LibreLink Up Uploader/Sidecar
 
+![docker-image](https://github.com/timoschlueter/nightscout-librelink-up/actions/workflows/docker-image.yml/badge.svg)
+
 Script written in TypeScript that uploads CGM readings from LibreLink Up to Nightscout. The upload should
 work with at least Freestyle Libre 2 (FGM) and Libre 3 CGM sensors.
 

diff --git a/jest.config.js b/jest.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+    preset: "ts-jest",
+    testEnvironment: "node",
+    setupFilesAfterEnv: ["./tests/setup.js"]
+};
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nightscout-librelink-up",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "Script written in TypeScript that uploads CGM readings from LibreLink Up to Nightscout",
   "main": "dist/index.js",
   "scripts": {
@@ -9,7 +9,8 @@
     "start-dev": "npx ts-node src/index.ts",
     "start-heroku": "node dist/index.js",
     "lint": "npx eslint . --fix",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest --coverage --forceExit",
+    "test:watch": "jest --watch"
   },
   "repository": {
     "type": "git",
@@ -35,16 +36,20 @@
   "homepage": "https://github.com/timoschlueter/nightscout-librelink-up#readme",
   "dependencies": {
     "axios": "^1.2.2",
+    "axios-mock-adapter": "^1.21.2",
     "node-cron": "3.0.2",
     "winston": "^3.8.2"
   },
   "devDependencies": {
     "@tsconfig/node18": "^1.0.1",
+    "@types/jest": "^29.2.4",
     "@types/node": "^18.11.18",
     "@types/node-cron": "^3.0.7",
     "@typescript-eslint/eslint-plugin": "^5.47.1",
     "@typescript-eslint/parser": "^5.47.1",
     "eslint": "^8.30.0",
+    "jest": "^29.3.1",
+    "ts-jest": "^29.0.3",
     "ts-node": "^10.9.1",
     "typescript": "^4.9.4"
   }

diff --git a/src/index.ts b/src/index.ts
@@ -56,7 +56,6 @@ const USER_AGENT = "FreeStyle LibreLink Up NightScout Uploader";
  */
 const LINK_UP_USERNAME = process.env.LINK_UP_USERNAME;
 const LINK_UP_PASSWORD = process.env.LINK_UP_PASSWORD;
-const LINK_UP_CONNECTION = process.env.LINK_UP_CONNECTION;
 
 /**
  * LibreLink Up API Settings (Don't change this unless you know what you are doing)
@@ -134,12 +133,26 @@ async function main(): Promise<void>
     {
         logger.info("renew token");
         deleteAuthTicket();
-        await login();
+        const authTicket: AuthTicket | null = await login();
+        if (!authTicket)
+        {
+            deleteAuthTicket();
+            return;
+        }
+        updateAuthTicket(authTicket);
     }
-    await getGlucoseMeasurements();
+
+    const glucoseGraphData: GraphData | null = await getGlucoseMeasurements();
+
+    if (!glucoseGraphData)
+    {
+        return;
+    }
+
+    await uploadToNightScout(glucoseGraphData);
 }
 
-async function login(): Promise<void>
+export async function login(): Promise<AuthTicket | null>
 {
     try
     {
@@ -157,26 +170,27 @@ async function login(): Promise<void>
         try
         {
             logger.info("Logged in to LibreLink Up");
-            updateAuthTicket(response.data.data.authTicket);
+            return response.data.data.authTicket;
         } catch (err)
         {
             logger.error("Invalid authentication token. Please check your LibreLink Up credentials", err);
+            return null;
         }
     } catch (error)
     {
         logger.error("Invalid credentials", error);
-        deleteAuthTicket();
+        return null;
     }
 }
 
-async function getGlucoseMeasurements(): Promise<void>
+export async function getGlucoseMeasurements(): Promise<GraphData | null>
 {
     try
     {
         const connectionId = await getLibreLinkUpConnection();
         if (!connectionId)
         {
-            return;
+            return null;
         }
 
         const url = "https://" + LIBRE_LINK_UP_URL + "/llu/connections/" + connectionId + "/graph"
@@ -186,15 +200,16 @@ async function getGlucoseMeasurements(): Promise<void>
                 headers: getLluAuthHeaders()
             });
 
-        await uploadToNightScout(response.data.data);
+        return response.data.data;
     } catch (error)
     {
         logger.error("Error getting glucose measurements", error);
         deleteAuthTicket();
+        return null;
     }
 }
 
-async function getLibreLinkUpConnection(): Promise<string | null>
+export async function getLibreLinkUpConnection(): Promise<string | null>
 {
     try
     {
@@ -222,14 +237,14 @@ async function getLibreLinkUpConnection(): Promise<string | null>
 
         dumpConnectionData(connectionData);
 
-        if (!LINK_UP_CONNECTION)
+        if (!process.env.LINK_UP_CONNECTION)
         {
             logger.warn("You did not specify a Patient-ID in the LINK_UP_CONNECTION environment variable.");
             logPickedUpConnection(connectionData[0]);
             return connectionData[0].patientId;
         }
 
-        const connection = connectionData.filter(connectionEntry => connectionEntry.patientId === LINK_UP_CONNECTION)[0];
+        const connection = connectionData.filter(connectionEntry => connectionEntry.patientId === process.env.LINK_UP_CONNECTION)[0];
         if (!connection)
         {
             logger.error("The specified Patient-ID was not found.");
@@ -262,13 +277,12 @@ async function lastEntryDate(): Promise<Date | null>
     return new Date(response.data.pop().dateString);
 }
 
-async function uploadToNightScout(measurementData: GraphData): Promise<void>
+export async function createFormattedMeasurements(measurementData: GraphData): Promise<Entry[]>
 {
+    const formattedMeasurements: Entry[] = [];
     const glucoseMeasurement = measurementData.connection.glucoseMeasurement;
     const measurementDate = getUtcDateFromString(glucoseMeasurement.FactoryTimestamp);
-
     const lastEntry = await lastEntryDate();
-    const formattedMeasurements: Entry[] = [];
 
     // Add the most recent measurement first
     if (lastEntry === null || measurementDate > lastEntry)
@@ -295,6 +309,12 @@ async function uploadToNightScout(measurementData: GraphData): Promise<void>
             });
         }
     });
+    return formattedMeasurements;
+}
+
+async function uploadToNightScout(measurementData: GraphData): Promise<void>
+{
+    const formattedMeasurements: Entry[] = await createFormattedMeasurements(measurementData);
 
     if (formattedMeasurements.length > 0)
     {

diff --git a/tests/data/connections.json b/tests/data/connections.json
@@ -0,0 +1,192 @@
+{
+  "status": 0,
+  "data": [
+    {
+      "id": "0714c937-0bc2-4be4-9e93-ddfe736b2b1f",
+      "patientId": "7ad66b40-ba9b-401e-9845-4f49f998cf16",
+      "country": "DE",
+      "status": 2,
+      "firstName": "John",
+      "lastName": "Doe",
+      "targetLow": 70,
+      "targetHigh": 160,
+      "uom": 1,
+      "sensor": {
+        "deviceId": "",
+        "sn": "ABCDEF1234",
+        "a": 1671955478,
+        "w": 60,
+        "pt": 4,
+        "s": true,
+        "lj": false
+      },
+      "alarmRules": {
+        "c": true,
+        "h": {
+          "th": 220,
+          "thmm": 12.2,
+          "d": 1440,
+          "f": 0.1
+        },
+        "f": {
+          "th": 55,
+          "thmm": 3,
+          "d": 30,
+          "tl": 10,
+          "tlmm": 0.6
+        },
+        "l": {
+          "th": 60,
+          "thmm": 3.3,
+          "d": 1440,
+          "tl": 10,
+          "tlmm": 0.6
+        },
+        "nd": {
+          "i": 20,
+          "r": 5,
+          "l": 6
+        },
+        "p": 5,
+        "r": 5,
+        "std": {}
+      },
+      "glucoseMeasurement": {
+        "FactoryTimestamp": "12/30/2022 4:47:40 PM",
+        "Timestamp": "12/30/2022 5:47:40 PM",
+        "type": 1,
+        "ValueInMgPerDl": 115,
+        "TrendArrow": 3,
+        "TrendMessage": null,
+        "MeasurementColor": 1,
+        "GlucoseUnits": 1,
+        "Value": 115,
+        "isHigh": false,
+        "isLow": false
+      },
+      "glucoseItem": {
+        "FactoryTimestamp": "12/30/2022 4:47:40 PM",
+        "Timestamp": "12/30/2022 5:47:40 PM",
+        "type": 1,
+        "ValueInMgPerDl": 115,
+        "TrendArrow": 3,
+        "TrendMessage": null,
+        "MeasurementColor": 1,
+        "GlucoseUnits": 1,
+        "Value": 115,
+        "isHigh": false,
+        "isLow": false
+      },
+      "glucoseAlarm": null,
+      "patientDevice": {
+        "did": "fbc207fe-27e5-4dec-b09b-c60d18167144",
+        "dtid": 40068,
+        "v": "3.4.1.7374",
+        "ll": 60,
+        "hl": 220,
+        "u": 1648155522,
+        "fixedLowAlarmValues": {
+          "mgdl": 60,
+          "mmoll": 3.3
+        },
+        "alarms": false,
+        "fixedLowThreshold": 0
+      },
+      "created": 1638703030
+    },
+    {
+      "id": "2f5f5f40-9899-11ec-bed5-0242ac110009",
+      "patientId": "77179667-ba4b-11eb-ad1f-0242ac110004",
+      "country": "DE",
+      "status": 2,
+      "firstName": "Jane",
+      "lastName": "Doe",
+      "targetLow": 70,
+      "targetHigh": 180,
+      "uom": 1,
+      "sensor": null,
+      "alarmRules": {
+        "c": true,
+        "h": {
+          "on": true,
+          "th": 210,
+          "thmm": 11.7,
+          "d": 1440,
+          "f": 0.1
+        },
+        "f": {
+          "th": 55,
+          "thmm": 3,
+          "d": 30,
+          "tl": 10,
+          "tlmm": 0.6
+        },
+        "l": {
+          "on": true,
+          "th": 70,
+          "thmm": 3.9,
+          "d": 1440,
+          "tl": 10,
+          "tlmm": 0.6
+        },
+        "nd": {
+          "i": 20,
+          "r": 5,
+          "l": 6
+        },
+        "p": 5,
+        "r": 5,
+        "std": {}
+      },
+      "glucoseMeasurement": {
+        "FactoryTimestamp": "3/13/2022 6:53:10 PM",
+        "Timestamp": "3/13/2022 7:53:10 PM",
+        "type": 1,
+        "ValueInMgPerDl": 103,
+        "TrendArrow": 3,
+        "TrendMessage": null,
+        "MeasurementColor": 1,
+        "GlucoseUnits": 1,
+        "Value": 103,
+        "isHigh": false,
+        "isLow": false
+      },
+      "glucoseItem": {
+        "FactoryTimestamp": "3/13/2022 6:53:10 PM",
+        "Timestamp": "3/13/2022 7:53:10 PM",
+        "type": 1,
+        "ValueInMgPerDl": 103,
+        "TrendArrow": 3,
+        "TrendMessage": null,
+        "MeasurementColor": 1,
+        "GlucoseUnits": 1,
+        "Value": 103,
+        "isHigh": false,
+        "isLow": false
+      },
+      "glucoseAlarm": null,
+      "patientDevice": {
+        "did": "b0f390e4-dc0f-45b4-bde3-5fd4be6f4051",
+        "dtid": 40068,
+        "v": "3.2.1.6005",
+        "l": true,
+        "ll": 70,
+        "h": true,
+        "hl": 210,
+        "u": 1633435443,
+        "fixedLowAlarmValues": {
+          "mgdl": 60,
+          "mmoll": 3.3
+        },
+        "alarms": false,
+        "fixedLowThreshold": 0
+      },
+      "created": 1646054423
+    }
+  ],
+  "ticket": {
+    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjdhZDY2YjQwLWJhOWItNDAxZS05ODQ1LTRmNDlmOTk4Y2YxNiIsImZpcnN0TmFtZSI6IkpvaG4iLCJsYXN0TmFtZSI6IkRvZSIsImNvdW50cnkiOiJERSIsInJlZ2lvbiI6ImRlIiwicm9sZSI6InBhdGllbnQiLCJ1bml0cyI6MSwicHJhY3RpY2VzIjpbXSwiYyI6MSwicyI6ImxsdS5pb3MiLCJleHAiOjE2ODc5NzA4ODl9.km_-IfDlE6sFpEj9VdsVFWhYdVg-EI0umvwPH9Bhu68",
+    "expires": 1687970889,
+    "duration": 15552000000
+  }
+}