Add a script to run some automated tests

Needs more tests! but this is a very good start

.gitignore

@@ -56,6 +56,3 @@ typings/
 
 # dotenv environment variables file
 .env
-
-# Project-specific
-*test.js

.npmignore

@@ -1,4 +1,3 @@
 docs/
 *mkdocs.yml
-*test.js
 .gitignore

package.json

@@ -32,5 +32,8 @@
       "name": "Timo Rüppell",
       "email": "timo.ruppell@mapita.fi"
     }
-  ]
+  ],
+  "scripts": {
+    "test": "node test.js"
+  }
 }

test.js

@@ -0,0 +1,75 @@
+const canary = require("./canary");
+const assert = require("assert");
+
+// Extremely basic test runner to test the test runner
+const allTests = [];
+function addTest(test){
+    allTests.push(test);
+}
+async function runTests(){
+    console.log(`Running ${allTests.length} tests...`);
+    for(let test of allTests){
+        try{
+            canary.removeAllTests();
+            canary.reset();
+            canary.silent();
+            await test();
+        }catch(error){
+            console.log("Error while running test:");
+            console.log(error);
+            process.exit(1);
+        }
+    }
+    console.log("All tests ran successfully!");
+    process.exit(0);
+}
+
+addTest(
+    async function simpleSynchronousTests(){
+        // Set up the test
+        const simplePassingTest = canary.test("Example passing test", function(){
+            // do nothing
+        });
+        const simpleSkippedTest = canary.test("Example skipped test", function(){
+            this.ignore();
+        });
+        const simpleFailingTest = canary.test("Example failing test", function(){
+            throw new Error("Simple test failure");
+        });
+        // Run canary
+        await canary.run();
+        // Verify correct results
+        assert(simplePassingTest.success);
+        assert(simpleSkippedTest.skipped);
+        assert(simpleFailingTest.aborted);
+        assert(simpleFailingTest.getErrors().length === 1);
+        assert(simpleFailingTest.getErrors()[0] instanceof canary.Error);
+        assert(simpleFailingTest.getErrors()[0].message === "Simple test failure");
+    }
+);
+
+addTest(
+    async function simpleAsynchronousTests(){
+        // Set up the test
+        const simplePassingTest = canary.test("Example passing test", async function(){
+            // do nothing
+        });
+        const simpleSkippedTest = canary.test("Example skipped test", async function(){
+            this.ignore();
+        });
+        const simpleFailingTest = canary.test("Example failing test", async function(){
+            throw new Error("Simple test failure");
+        });
+        // Run canary
+        await canary.run();
+        // Verify correct results
+        assert(simplePassingTest.success);
+        assert(simpleSkippedTest.skipped);
+        assert(simpleFailingTest.aborted);
+        assert(simpleFailingTest.getErrors().length === 1);
+        assert(simpleFailingTest.getErrors()[0] instanceof canary.Error);
+        assert(simpleFailingTest.getErrors()[0].message === "Simple test failure");
+    }
+);
+
+runTests();