diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 85776e1..f9fc60c 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,14 +4,9 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="1aabf22b-2f57-46ac-9973-367d8668ffd3" name="Default Changelist" comment="Refactoring, Tests">
-      <change afterPath="$PROJECT_DIR$/src/test/kotlin/org/hmcore/model/BlogPostPreviewTest.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/test/kotlin/org/hmcore/model/JobListingPreviewTest.kt" afterDir="false" />
+    <list default="true" id="1aabf22b-2f57-46ac-9973-367d8668ffd3" name="Default Changelist" comment="Add more tests">
+      <change afterPath="$PROJECT_DIR$/src/test/kotlin/org/hmcore/extensions/FileTest.kt" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/extensions/Embed.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/extensions/Embed.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/model/BlogPostPreview.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/model/BlogPostPreview.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/model/JobListingPreview.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/kotlin/org/hmcore/model/JobListingPreview.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/test/kotlin/org/hmcore/extensions/EmbedTest.kt" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/kotlin/org/hmcore/extensions/EmbedTest.kt" afterDir="false" />
     </list>
     <list id="44283a45-f406-407f-bce2-a31bb9bfc0cc" name="Changes by Valentin" comment="Changes by Valentin" />
     <option name="SHOW_DIALOG" value="false" />
@@ -237,44 +232,44 @@
       <DebugAllEnabled>false</DebugAllEnabled>
       <method v="2" />
     </configuration>
-    <configuration name="HytaleUpdateBot [build]" type="GradleRunConfiguration" factoryName="Gradle" temporary="true">
+    <configuration name="FileTest" type="GradleRunConfiguration" factoryName="Gradle" temporary="true">
       <ExternalSystemSettings>
         <option name="executionName" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="externalSystemIdString" value="GRADLE" />
-        <option name="scriptParameters" />
+        <option name="scriptParameters" value="--tests &quot;org.hmcore.extensions.FileTest&quot;" />
         <option name="taskDescriptions">
           <list />
         </option>
         <option name="taskNames">
           <list>
-            <option value="build" />
+            <option value=":test" />
           </list>
         </option>
         <option name="vmOptions" />
       </ExternalSystemSettings>
-      <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
+      <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
       <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
       <DebugAllEnabled>false</DebugAllEnabled>
       <method v="2" />
     </configuration>
-    <configuration name="HytaleUpdateBot [fatJar]" type="GradleRunConfiguration" factoryName="Gradle" temporary="true">
+    <configuration name="FileTest.Ensure exists should create a file if supplied with null but not write text" type="GradleRunConfiguration" factoryName="Gradle" temporary="true">
       <ExternalSystemSettings>
         <option name="executionName" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="externalSystemIdString" value="GRADLE" />
-        <option name="scriptParameters" />
+        <option name="scriptParameters" value="--tests &quot;org.hmcore.extensions.FileTest.Ensure exists should create a file if supplied with null but not write text&quot;" />
         <option name="taskDescriptions">
           <list />
         </option>
         <option name="taskNames">
           <list>
-            <option value="fatJar" />
+            <option value=":test" />
           </list>
         </option>
         <option name="vmOptions" />
       </ExternalSystemSettings>
-      <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
+      <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
       <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
       <DebugAllEnabled>false</DebugAllEnabled>
       <method v="2" />
@@ -299,18 +294,18 @@
     <list>
       <item itemvalue="Gradle.ColorTest" />
       <item itemvalue="Gradle.EmbedTest" />
-      <item itemvalue="Gradle.HytaleUpdateBot [build]" />
-      <item itemvalue="Gradle.HytaleUpdateBot [fatJar]" />
       <item itemvalue="JUnit.All Tests" />
       <item itemvalue="Kotlin.Main" />
+      <item itemvalue="Gradle.FileTest" />
+      <item itemvalue="Gradle.FileTest.Ensure exists should create a file if supplied with null but not write text" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="Gradle.FileTest.Ensure exists should create a file if supplied with null but not write text" />
+        <item itemvalue="Gradle.FileTest" />
         <item itemvalue="Gradle.EmbedTest" />
         <item itemvalue="Gradle.ColorTest" />
         <item itemvalue="Kotlin.Main" />
-        <item itemvalue="Gradle.HytaleUpdateBot [fatJar]" />
-        <item itemvalue="Gradle.HytaleUpdateBot [build]" />
       </list>
     </recent_temporary>
   </component>
@@ -439,7 +434,14 @@
       <option name="project" value="LOCAL" />
       <updated>1622283383268</updated>
     </task>
-    <option name="localTasksCounter" value="17" />
+    <task id="LOCAL-00017" summary="Add more tests">
+      <created>1622284601372</created>
+      <option name="number" value="00017" />
+      <option name="presentableId" value="LOCAL-00017" />
+      <option name="project" value="LOCAL" />
+      <updated>1622284601372</updated>
+    </task>
+    <option name="localTasksCounter" value="18" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -472,7 +474,8 @@
     <MESSAGE value="Bug fixes" />
     <MESSAGE value="Changes by Valentin" />
     <MESSAGE value="Refactoring, Tests" />
-    <option name="LAST_COMMIT_MESSAGE" value="Refactoring, Tests" />
+    <MESSAGE value="Add more tests" />
+    <option name="LAST_COMMIT_MESSAGE" value="Add more tests" />
   </component>
   <component name="XDebuggerManager">
     <watches-manager>
diff --git a/src/test/kotlin/org/hmcore/extensions/FileTest.kt b/src/test/kotlin/org/hmcore/extensions/FileTest.kt
new file mode 100644
index 0000000..dd12506
--- /dev/null
+++ b/src/test/kotlin/org/hmcore/extensions/FileTest.kt
@@ -0,0 +1,73 @@
+package org.hmcore.extensions
+
+import io.mockk.*
+import java.io.File
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class FileTest {
+    @Test
+    fun `Ensure exists should create a file with default content if it does not exist`() {
+        val file = mockk<File>()
+        mockkStatic("kotlin.io.FilesKt__FileReadWriteKt")
+
+        every { file.exists() } returns false
+        every { file.createNewFile() } returns true
+        every { file.writeText(any()) } just Runs
+
+        file.ensureExists("Default Text")
+
+        verifySequence {
+            file.exists()
+            file.createNewFile()
+            file.writeText("Default Text")
+        }
+    }
+
+    @Test
+    fun `Ensure exists should create a file if supplied with null but not write text`() {
+        val file = mockk<File>()
+        mockkStatic("kotlin.io.FilesKt__FileReadWriteKt")
+
+        every { file.exists() } returns false
+        every { file.createNewFile() } returns true
+        every { file.writeText(any()) } just Runs
+
+        file.ensureExists(null)
+
+        verifySequence {
+            file.exists()
+            file.createNewFile()
+        }
+    }
+
+    @Test
+    fun `Ensure exists should not touch the file if it exists`() {
+        val file = mockk<File>()
+        mockkStatic("kotlin.io.FilesKt__FileReadWriteKt")
+
+        every { file.exists() } returns true
+        every { file.createNewFile() } returns true
+        every { file.writeText(any()) } just Runs
+
+        file.ensureExists(null)
+
+        verifySequence {
+            file.exists()
+        }
+    }
+
+    @Test
+    fun `Ensure exists should return itself`() {
+        val file = mockk<File>()
+        mockkStatic("kotlin.io.FilesKt__FileReadWriteKt")
+
+        every { file.exists() } returns true
+        every { file.createNewFile() } returns true
+        every { file.writeText(any()) } just Runs
+
+        val f2 = file.ensureExists(null)
+
+        assertEquals(file, f2)
+    }
+}
\ No newline at end of file