Extract hardcoded strings into resources (duckduckgo#2130)

Task/Issue URL: https://app.asana.com/0/715106103902962/1202697459365558/f

### Description
Extracts hardcoded strings used in Common module as String resources

### Steps to test this PR
- Ensure unit tests are green

_App TP activity list_
- [x] check activity list renders each tracking event correctly


### UI changes
| Before  | After |
| ------ | ----- |
!(Upload before screenshot)|(Upload after screenshot)|

Author: cmonfortep

common/build.gradle

@@ -27,6 +27,11 @@ android {
     lintOptions {
         baseline file("lint-baseline.xml")
     }
+    testOptions {
+        unitTests {
+            includeAndroidResources = true
+        }
+    }
 }
 
 dependencies {
@@ -61,5 +66,8 @@ dependencies {
 
     // Testing dependencies
     testImplementation Testing.junit4
+    testImplementation AndroidX.test.ext.junit
+    testImplementation "androidx.test:runner:_"
+    testImplementation Testing.robolectric
     testImplementation project(path: ':common-test')
 }

common/src/main/java/com/duckduckgo/app/global/formatters/time/TimeDiffFormatter.kt

@@ -110,7 +110,7 @@ class RealTimeDiffFormatter @Inject constructor(private val context: Context) :
         val timeDifferenceDate = (endDate.time - startDate.time).run { TimeUnit.DAYS.convert(this, TimeUnit.MILLISECONDS) }
 
         return when (timeDifferenceDate) {
-            0L, 1L -> TimePassed.fromMilliseconds(timeDifferenceMillis).shortFormat()
+            0L, 1L -> TimePassed.fromMilliseconds(timeDifferenceMillis).shortFormat(context.resources)
             else -> context.getString(R.string.common_DaysAgo, timeDifferenceDate)
         }
     }

common/src/main/java/com/duckduckgo/app/global/formatters/time/model/TimePassed.kt

@@ -16,6 +16,8 @@
 
 package com.duckduckgo.app.global.formatters.time.model
 
+import android.content.res.Resources
+import com.duckduckgo.app.global.R
 import com.duckduckgo.app.global.formatters.time.DatabaseDateFormatter
 import org.threeten.bp.LocalDateTime
 
@@ -45,47 +47,41 @@ data class TimePassed(
     val seconds: Long
 ) {
 
-    fun shortFormat(): String {
-        val sb = StringBuilder()
-
+    fun shortFormat(resources: Resources): String {
         if (hours > 0) {
-            sb.append(hours)
-            sb.append("h ago")
-            return sb.toString()
+            return resources.getString(R.string.common_HoursAgo, hours)
         }
 
         if (minutes > 2) {
-            sb.append(minutes)
-            sb.append("m ago")
-            return sb.toString()
+            return resources.getString(R.string.common_MinutesAgo, minutes)
         }
 
-        sb.append("just now")
-        return sb.toString()
+        return resources.getString(R.string.common_JustNow)
     }
 
     fun format(
         alwaysShowHours: Boolean = true,
         alwaysShowMinutes: Boolean = true,
-        alwaysShowSeconds: Boolean = true
+        alwaysShowSeconds: Boolean = true,
+        resources: Resources
     ): String {
         val sb = StringBuilder()
 
         if (hours > 0 || alwaysShowHours) {
             sb.append(hours)
-            sb.append(" hr")
+            sb.append(" ${resources.getString(R.string.common_hour_abbreviation)}")
         }
 
         if (minutes > 0 || alwaysShowMinutes) {
             sb.append(" ")
             sb.append(minutes)
-            sb.append(" min")
+            sb.append(" ${resources.getString(R.string.common_min_abbreviation)}")
         }
 
         if (alwaysShowSeconds) {
             sb.append(" ")
             sb.append(seconds)
-            sb.append(" sec")
+            sb.append(" ${resources.getString(R.string.common_seconds_abbreviation)}")
         }
 
         return sb.toString()

common/src/main/res/values/strings.xml

@@ -20,4 +20,10 @@
     <string name="common_DaysAgo">%d days ago</string>
     <string name="common_PastWeek">Past Week</string>
     <string name="common_PastMonth">Past Month</string>
+    <string name="common_MinutesAgo">%dm ago</string>
+    <string name="common_HoursAgo">%dh ago</string>
+    <string name="common_JustNow">Just Now</string>
+    <string name="common_hour_abbreviation">hr</string>
+    <string name="common_min_abbreviation">min</string>
+    <string name="common_seconds_abbreviation">sec</string>
 </resources>

common/src/test/java/com/duckduckgo/app/global/formatters/time/model/TimePassedTest.kt

@@ -16,86 +16,93 @@
 
 package com.duckduckgo.app.global.formatters.time.model
 
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider.getApplicationContext
+import androidx.test.ext.junit.runners.AndroidJUnit4
 import org.junit.Assert.assertEquals
 import org.junit.Test
+import org.junit.runner.RunWith
 
+@RunWith(AndroidJUnit4::class)
 class TimePassedTest {
 
+    private val resources = getApplicationContext<Context>().resources
+
     @Test
     fun whenOnlyHoursPassedThenFormatsProperTime() {
         val timePassed = TimePassed(1, 0, 0)
-        assertEquals("1 hr 0 min 0 sec", timePassed.format())
+        assertEquals("1 hr 0 min 0 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenOnlyMinutesPassedThenFormatsProperTime() {
         val timePassed = TimePassed(0, 10, 0)
-        assertEquals("0 hr 10 min 0 sec", timePassed.format())
+        assertEquals("0 hr 10 min 0 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenOnlySecondsPassedThenFormatsProperTime() {
         val timePassed = TimePassed(0, 0, 25)
-        assertEquals("0 hr 0 min 25 sec", timePassed.format())
+        assertEquals("0 hr 0 min 25 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenHoursAndMinutesPassedThenFormatsProperTime() {
         val timePassed = TimePassed(1, 10, 0)
-        assertEquals("1 hr 10 min 0 sec", timePassed.format())
+        assertEquals("1 hr 10 min 0 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenHoursAndSecondsPassedThenFormatsProperTime() {
         val timePassed = TimePassed(1, 0, 30)
-        assertEquals("1 hr 0 min 30 sec", timePassed.format())
+        assertEquals("1 hr 0 min 30 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenMinutesAndSecondsPassedThenFormatsProperTime() {
         val timePassed = TimePassed(0, 10, 10)
-        assertEquals("0 hr 10 min 10 sec", timePassed.format())
+        assertEquals("0 hr 10 min 10 sec", timePassed.format(resources = resources))
     }
 
     @Test
     fun whenOnlyHoursPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(1, 0, 0)
-        assertEquals("1h ago", timePassed.shortFormat())
+        assertEquals("1h ago", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenOnlyMinutesPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(0, 10, 0)
-        assertEquals("10m ago", timePassed.shortFormat())
+        assertEquals("10m ago", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenOnlySecondsPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(0, 0, 45)
-        assertEquals("just now", timePassed.shortFormat())
+        assertEquals("Just Now", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenOnlyFewSecondsPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(0, 0, 25)
-        assertEquals("just now", timePassed.shortFormat())
+        assertEquals("Just Now", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenHoursAndMinutesPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(1, 10, 0)
-        assertEquals("1h ago", timePassed.shortFormat())
+        assertEquals("1h ago", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenHoursAndSecondsPassedThenShortFormatsProperTime() {
         val timePassed = TimePassed(1, 0, 30)
-        assertEquals("1h ago", timePassed.shortFormat())
+        assertEquals("1h ago", timePassed.shortFormat(resources))
     }
 
     @Test
     fun whenMinutesAndSecondsPassedShortThenFormatsProperTime() {
         val timePassed = TimePassed(0, 10, 10)
-        assertEquals("10m ago", timePassed.shortFormat())
+        assertEquals("10m ago", timePassed.shortFormat(resources))
     }
 }

vpn/src/androidTest/java/com/duckduckgo/mobile/android/vpn/ui/tracker_activity/DeviceShieldActivityFeedViewModelTest.kt

@@ -97,7 +97,7 @@ class DeviceShieldActivityFeedViewModelTest {
                             TrackerCompanyBadge.Company(dummyTrackers[1].company, dummyTrackers[1].companyDisplayName),
                         ),
                         timestamp = TEST_TIMESTAMP,
-                        displayTimestamp = "just now",
+                        displayTimestamp = "Just Now",
                         trackersTotalCount = 2
                     ),
                     TrackerFeedItem.TrackerFeedData(
@@ -108,7 +108,7 @@ class DeviceShieldActivityFeedViewModelTest {
                             TrackerCompanyBadge.Company(dummyTrackers[2].company, dummyTrackers[2].companyDisplayName),
                         ),
                         timestamp = TEST_TIMESTAMP,
-                        displayTimestamp = "just now",
+                        displayTimestamp = "Just Now",
                         trackersTotalCount = 1
                     ),
                 ),

vpn/src/main/java/dummy/ui/VpnControllerActivity.kt

@@ -246,7 +246,7 @@ class VpnControllerActivity : DuckDuckGoActivity(), CoroutineScope by MainScope(
             getString(R.string.vpnNotRunYet)
         } else {
             return getString(
-                R.string.vpnTimeRunning, TimePassed.fromMilliseconds(timeRunningMillis).format()
+                R.string.vpnTimeRunning, TimePassed.fromMilliseconds(timeRunningMillis).format(resources = resources)
             )
         }
     }
@@ -257,7 +257,7 @@ class VpnControllerActivity : DuckDuckGoActivity(), CoroutineScope by MainScope(
         val timestamp = LocalDateTime.parse(lastTracker.timestamp)
         val timeDifference = timestamp.until(OffsetDateTime.now(), ChronoUnit.MILLIS)
         val timeRunning = TimePassed.fromMilliseconds(timeDifference)
-        return "Latest tracker blocked ${timeRunning.format()} ago\n${lastTracker.domain}\n(owned by ${lastTracker.company})"
+        return "Latest tracker blocked ${timeRunning.format(resources = resources)} ago\n${lastTracker.domain}\n(owned by ${lastTracker.company})"
     }
 
     private fun generateLastWebTrackerBlocked(lastTracker: WebTrackerBlocked?): String {
@@ -266,7 +266,8 @@ class VpnControllerActivity : DuckDuckGoActivity(), CoroutineScope by MainScope(
         val timestamp = LocalDateTime.parse(lastTracker.timestamp)
         val timeDifference = timestamp.until(OffsetDateTime.now(), ChronoUnit.MILLIS)
         val timeRunning = TimePassed.fromMilliseconds(timeDifference)
-        return "Latest tracker blocked ${timeRunning.format()} ago\n${lastTracker.trackerUrl}\n(owned by ${lastTracker.trackerCompany})"
+        return "Latest tracker blocked ${timeRunning.format(resources = resources)} ago\n" +
+            "${lastTracker.trackerUrl}\n(owned by ${lastTracker.trackerCompany})"
     }
 
     private fun generateTrackerCompaniesBlocked(

vpn/src/main/java/dummy/ui/VpnDiagnosticsActivity.kt

@@ -452,7 +452,7 @@ class VpnDiagnosticsActivity : DuckDuckGoActivity(), CoroutineScope by MainScope
         } else {
             return getString(
                 R.string.vpnTimeRunning,
-                TimePassed.fromMilliseconds(timeRunningMillis).format(),
+                TimePassed.fromMilliseconds(timeRunningMillis).format(resources = resources),
             )
         }
     }