refactor and add tests

app/src/test/java/com/example/hpostesting/HemoCubeFragmentTest.kt

@@ -1,5 +1,6 @@
 package com.example.hpostesting
 
+import android.content.Context
 import android.content.SharedPreferences
 import com.example.hpostesting.presentation.hemocube.HemoCubeFragment
 import com.example.hpostesting.presentation.hemocube.HemocubeActivity
@@ -16,6 +17,9 @@ import org.mockito.MockitoAnnotations
 
 class HemoCubeFragmentTest {
 
+    @Mock
+    lateinit var mockContext: Context
+
     @Mock
     private lateinit var mockSharedPreferences: SharedPreferences
 
@@ -34,7 +38,7 @@ class HemoCubeFragmentTest {
     }
 
     @Test
-    fun `extractMiddleString to get device id`() {
+    fun `extractV2HardwareId to get device id`() {
         // Arrange
         Mockito.`when`(
             mockSharedPreferences.getString(
@@ -265,4 +269,92 @@ class HemoCubeFragmentTest {
         // Assert
         assertEquals("HPP1-000-4001", result)
     }
+
+    @Test
+    fun `extractV2HardwareId should handle provided input string with HPP-000-4001`() {
+        // Arrange
+        val input = "SNS HPP-000-4001 SNE#SS1\n" +
+                "#SC1\n" +
+                "RESULT\n" +
+                "LB1 23777\n" +
+                "LB2 24130\n" +
+                "LB3 23442\n" +
+                "LB4 23945\n" +
+                "LS1 2521\n" +
+                "LS2 973\n" +
+                "LS3 10252\n" +
+                "LS4 11017\n" +
+                "REND\n"
+
+        // Act
+        val result = hemoCubeFragment.extractV2HardwareId(input)
+
+        // Assert
+        assertEquals("HPP-000-4001", result)
+    }
+
+    @Test
+    fun `extractV2HardwareId should handle provided input string with HPP-000-5001`() {
+        // Arrange
+        val input = "SNS HPP-000-5001 SNE#SS1\n" +
+                "#SC1\n" +
+                "RESULT\n" +
+                "LB1 23777\n" +
+                "LB2 24130\n" +
+                "LB3 23442\n" +
+                "LB4 23945\n" +
+                "LS1 2521\n" +
+                "LS2 973\n" +
+                "LS3 10252\n" +
+                "LS4 11017\n" +
+                "REND\n"
+
+        // Act
+        val result = hemoCubeFragment.extractV2HardwareId(input)
+
+        // Assert
+        assertEquals("HPP-000-5001", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationNormal() {
+        val ratio = 0.25
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Normal", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationNegativeBorderline() {
+        val ratio = 0.31
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Negative Borderline, Repeat Test", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationSickleCellTrait() {
+        val ratio = 0.34
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Sickle Cell Trait", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationPositiveForSickleCell() {
+        val ratio = 0.37
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Positive for Sickle Cell. HPLC for Confirmation", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationSickleCellDisease() {
+        val ratio = 0.45
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Sickle Cell Disease", result)
+    }
+
+    @Test
+    fun testDeviceRatioClassificationInvalid() {
+        val ratio: Double? = null
+        val result = hemoCubeFragment.deviceRatioClassification(ratio)
+        assertEquals("Invalid", result)
+    }
 }