Added unit tests and fixed some bugs.

1 files changed, 68 insertions, 0 deletions

diff --git a/PollutometerWebApi.Tests/SqlOperatorTests.cs b/PollutometerWebApi.Tests/SqlOperatorTests.cs
new file mode 100644
index 0000000..2930679
--- /dev/null
+++ b/PollutometerWebApi.Tests/SqlOperatorTests.cs
@@ -0,0 +1,68 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using PollutometerWebApi.Models;
+using System;
+
+namespace PollutometerWebApi.Tests
+{
+    [TestClass()]
+    public class SqlOperatorTests
+    {
+        [TestMethod()]
+        public void GetReadingsTest()
+        {
+            var readings = SqlOperator.GetReadings("SELECT * FROM Readings");
+            Assert.IsTrue(readings.Count >= 1);
+        }
+
+        [TestMethod()]
+        public void PostReadingTest()
+        {
+            var newReading = new Reading
+            {
+                TimeStamp = (int)DateTimeOffset.Now.ToUnixTimeSeconds(),
+                Co = 0.0,
+                No = 0.0,
+                So = 0.0
+            };
+            SqlOperator.PostReading(newReading);
+            var command = "SELECT * FROM Readings " +
+                "WHERE TimeStamp IN(SELECT MAX(TimeStamp) FROM Readings)";
+            var latestReading = SqlOperator.GetReadings(command)[0];
+            var command2 = $"SELECT * FROM Readings WHERE Id={latestReading.Id}";
+            var reading = SqlOperator.GetReadings(command2)[0];
+            Assert.AreEqual(newReading.TimeStamp, reading.TimeStamp);
+        }
+
+        [TestMethod()]
+        public void PutReadingTest()
+        {
+            var newReading = new Reading
+            {
+                TimeStamp = (int)DateTimeOffset.Now.ToUnixTimeSeconds(),
+                Co = 0.5,
+                No = 0.5,
+                So = 0.5
+
+            };
+            var command = "SELECT * FROM Readings " +
+                "WHERE TimeStamp IN(SELECT MAX(TimeStamp) FROM Readings)";
+            var latestReading = SqlOperator.GetReadings(command)[0];
+            SqlOperator.PutReading(latestReading.Id, newReading);
+            var command2 = $"SELECT * FROM Readings WHERE Id={latestReading.Id}";
+            var reading = SqlOperator.GetReadings(command2)[0];
+            Assert.AreEqual(newReading.TimeStamp, reading.TimeStamp);
+        }
+
+        [TestMethod()]
+        public void DeleteReadingTest()
+        {
+            var command = "SELECT * FROM Readings " +
+                   "WHERE TimeStamp IN(SELECT MAX(TimeStamp) FROM Readings)";
+            var latestReading = SqlOperator.GetReadings(command)[0];
+            SqlOperator.DeleteReading(latestReading.Id);
+            var command2 = $"SELECT * FROM Readings WHERE Id={latestReading.Id}";
+            var readings = SqlOperator.GetReadings(command2);
+            Assert.IsTrue(readings.Count == 0);
+        }
+    }
+}
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