diff --git a/.gitignore b/.gitignore
index 6aa8421..d4462da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ node_modules
 node_modules/*
 markdownissues.txt
 TestResults.xml
+launch.json
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c419164..ea36a36 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
   to root folder of repository and remove test harness - Fixes [Issue #11](https://github.com/PlagueHO/FileContentDsc/issues/11).
 - Converted Examples to support format for publishing to PowerShell
   Gallery.
+- Refactor Test-TargetResource to return $false in all DSC resource -Fixes [Issue #12](https://github.com/PlagueHO/FileContentDsc/issues/13)
 
 ## 1.0.0.0
 
diff --git a/DSCResources/DSR_IniSettingsFile/DSR_IniSettingsFile.psm1 b/DSCResources/DSR_IniSettingsFile/DSR_IniSettingsFile.psm1
index 7960b9a..8a2eb31 100644
--- a/DSCResources/DSR_IniSettingsFile/DSR_IniSettingsFile.psm1
+++ b/DSCResources/DSR_IniSettingsFile/DSR_IniSettingsFile.psm1
@@ -136,6 +136,11 @@ function Set-TargetResource
 
     Assert-ParametersValid @PSBoundParameters
 
+    if (-not (Test-Path -Path $Path))
+    {
+        Out-File -FilePath $Path -Force
+    }
+
     if ($Type -eq 'Secret')
     {
         Write-Verbose -Message ($localizedData.SetIniSettingSecretMessage -f `
@@ -220,6 +225,12 @@ function Test-TargetResource
 
     Assert-ParametersValid @PSBoundParameters
 
+    # Check if file being managed exists. If not return $False.
+    if (-not (Test-Path -Path $Path))
+    {
+        return $false
+    }
+
     if ($Type -eq 'Secret')
     {
         $Text = $Secret.GetNetworkCredential().Password
@@ -306,11 +317,12 @@ function Assert-ParametersValid
         $Secret
     )
 
-    # Does the file in path exist?
-    if (-not (Test-Path -Path $Path))
+    # Does the file's parent path exist?
+    $parentPath = Split-Path -Path $Path -Parent
+    if (-not (Test-Path -Path $parentPath))
     {
         New-InvalidArgumentException `
-            -Message ($localizedData.FileNotFoundError -f $Path) `
+            -Message ($localizedData.FileParentNotFoundError -f $parentPath) `
             -ArgumentName 'Path'
     } # if
 }
diff --git a/DSCResources/DSR_IniSettingsFile/en-US/DSR_IniSettingsFile.strings.psd1 b/DSCResources/DSR_IniSettingsFile/en-US/DSR_IniSettingsFile.strings.psd1
index 4959348..e714c5e 100644
--- a/DSCResources/DSR_IniSettingsFile/en-US/DSR_IniSettingsFile.strings.psd1
+++ b/DSCResources/DSR_IniSettingsFile/en-US/DSR_IniSettingsFile.strings.psd1
@@ -6,5 +6,5 @@ ConvertFrom-StringData @'
     SetIniSettingSecretMessage = Setting the entry '{1}' key '{2}' to secret text in INI settings file '{0}'.
     IniSettingMatchesMessage = The entry '{1}' key '{2}' in INI settings file '{0}' is in the correct state. Change not required.
     IniSettingMismatchMessage = The entry '{1}' key '{2}' in INI settings file '{0}' is not in the correct state. Change required.
-    FileNotFoundError = File '{0}' not found.
+    FileParentNotFoundError = File parent path '{0}' not found.
 '@
diff --git a/DSCResources/DSR_KeyValuePairFile/DSR_KeyValuePairFile.psm1 b/DSCResources/DSR_KeyValuePairFile/DSR_KeyValuePairFile.psm1
index 3e4d670..edf9d4d 100644
--- a/DSCResources/DSR_KeyValuePairFile/DSR_KeyValuePairFile.psm1
+++ b/DSCResources/DSR_KeyValuePairFile/DSR_KeyValuePairFile.psm1
@@ -177,7 +177,7 @@ function Set-TargetResource
 
     Assert-ParametersValid @PSBoundParameters
 
-    $fileContent = Get-Content -Path $Path -Raw
+    $fileContent = Get-Content -Path $Path -Raw -ErrorAction SilentlyContinue
 
     Write-Verbose -Message ($localizedData.SearchForKeyMessage -f `
             $Path, $Name)
@@ -187,61 +187,68 @@ function Set-TargetResource
         $Text = $Secret.GetNetworkCredential().Password
     } # if
 
-    # Determine the EOL characters used in the file
-    $eolChars = Get-TextEolCharacter -Text $fileContent
-
-    # Setup the Regex Options that will be used
-    $regExOptions = [System.Text.RegularExpressions.RegexOptions]::Multiline
-    if ($IgnoreNameCase)
+    if ($null -ne $fileContent)
     {
-        $regExOptions += [System.Text.RegularExpressions.RegexOptions]::IgnoreCase
-    }
+        # Determine the EOL characters used in the file
+        $eolChars = Get-TextEolCharacter -Text $fileContent
 
-    # Search the key that matches the requested key
-    $results = [regex]::Matches($fileContent, "^[\s]*$Name=([^\n\r]*)", $regExOptions)
+        # Setup the Regex Options that will be used
+        $regExOptions = [System.Text.RegularExpressions.RegexOptions]::Multiline
+        if ($IgnoreNameCase)
+        {
+            $regExOptions += [System.Text.RegularExpressions.RegexOptions]::IgnoreCase
+        }
 
-    if ($Ensure -eq 'Present')
-    {
-        # The key value pair should exist
-        $keyValuePair = '{0}={1}{2}' -f $Name, $Text, $eolChars
+        # Search the key that matches the requested key
+        $results = [regex]::Matches($fileContent, "^[\s]*$Name=([^\n\r]*)", $regExOptions)
 
-        if ($results.Count -eq 0)
+        if ($Ensure -eq 'Present')
         {
-            # The key value pair was not found so add it to the end of the file
-            if (-not $fileContent.EndsWith($eolChars))
+            # The key value pair should exist
+            $keyValuePair = '{0}={1}{2}' -f $Name, $Text, $eolChars
+
+            if ($results.Count -eq 0)
             {
-                $fileContent += $eolChars
-            } # if
+                # The key value pair was not found so add it to the end of the file
+                if (-not $fileContent.EndsWith($eolChars))
+                {
+                    $fileContent += $eolChars
+                } # if
 
-            $fileContent += $keyValuePair
+                $fileContent += $keyValuePair
 
-            Write-Verbose -Message ($localizedData.KeyAddMessage -f `
-                    $Path, $Name)
+                Write-Verbose -Message ($localizedData.KeyAddMessage -f `
+                        $Path, $Name)
+            }
+            else
+            {
+                # The key value pair was found so update it
+                $fileContent = [regex]::Replace($fileContent, "^[\s]*$Name=(.*)($eolChars*)", $keyValuePair, $regExOptions)
+
+                Write-Verbose -Message ($localizedData.KeyUpdateMessage -f `
+                        $Path, $Name)
+            } # if
         }
         else
         {
-            # The key value pair was found so update it
-            $fileContent = [regex]::Replace($fileContent, "^[\s]*$Name=(.*)($eolChars*)", $keyValuePair, $regExOptions)
+            if ($results.Count -eq 0)
+            {
+                # The Key does not exists and should not so don't do anything
+                return
+            }
+            else
+            {
+                # The Key exists in the file but should not so remove it
+                $fileContent = [regex]::Replace($fileContent, "^[\s]*$Name=(.*)$eolChars", '', $regExOptions)
 
-            Write-Verbose -Message ($localizedData.KeyUpdateMessage -f `
-                    $Path, $Name)
+                Write-Verbose -Message ($localizedData.KeyRemoveMessage -f `
+                        $Path, $Name)
+            }
         } # if
     }
     else
     {
-        if ($results.Count -eq 0)
-        {
-            # The Key does not exists and should not so don't do anything
-            return
-        }
-        else
-        {
-            # The Key exists in the file but should not so remove it
-            $fileContent = [regex]::Replace($fileContent, "^[\s]*$Name=(.*)$eolChars", '', $regExOptions)
-
-            Write-Verbose -Message ($localizedData.KeyRemoveMessage -f `
-                    $Path, $Name)
-        }
+        $fileContent = '{0}={1}' -f $Name, $Text
     } # if
 
     Set-Content `
@@ -331,6 +338,12 @@ function Test-TargetResource
     # Flag to signal whether settings are correct
     [Boolean] $desiredConfigurationMatch = $true
 
+    # Check if file being managed exists. If not return $False.
+    if (-not (Test-Path -Path $Path))
+    {
+        return $false
+    }
+
     $fileContent = Get-Content -Path $Path -Raw
 
     Write-Verbose -Message ($localizedData.SearchForKeyMessage -f `
@@ -484,11 +497,12 @@ function Assert-ParametersValid
         $IgnoreValueCase = $false
     )
 
-    # Does the file in path exist?
-    if (-not (Test-Path -Path $Path))
+    # Does the file's parent path exist?
+    $parentPath = Split-Path -Path $Path -Parent
+    if (-not (Test-Path -Path $parentPath))
     {
         New-InvalidArgumentException `
-            -Message ($localizedData.FileNotFoundError -f $Path) `
+            -Message ($localizedData.FileParentNotFoundError -f $Path) `
             -ArgumentName 'Path'
     } # if
 }
diff --git a/DSCResources/DSR_KeyValuePairFile/en-US/DSR_KeyValuePairFile.strings.psd1 b/DSCResources/DSR_KeyValuePairFile/en-US/DSR_KeyValuePairFile.strings.psd1
index 56477d5..7134505 100644
--- a/DSCResources/DSR_KeyValuePairFile/en-US/DSR_KeyValuePairFile.strings.psd1
+++ b/DSCResources/DSR_KeyValuePairFile/en-US/DSR_KeyValuePairFile.strings.psd1
@@ -14,5 +14,5 @@ ConvertFrom-StringData @'
     KeyFoundButNoReplacementMessage = Key '{1}' found in file '{0}' and should exist and value(s) are correct. Change not required.
     KeyFoundReplacementRequiredMessage = Key '{1}' found in file '{0}' and should exist but value(s) are not correct. Change required.
     KeyFoundButShouldNotExistMessage = Key '{1}' found in file '{0}' but should not exist. Change required.
-    FileNotFoundError = File '{0}' not found.
+    FileParentNotFoundError = File parent path '{0}' not found.
 '@
diff --git a/DSCResources/DSR_ReplaceText/DSR_ReplaceText.psm1 b/DSCResources/DSR_ReplaceText/DSR_ReplaceText.psm1
index b0c005b..e39958d 100644
--- a/DSCResources/DSR_ReplaceText/DSR_ReplaceText.psm1
+++ b/DSCResources/DSR_ReplaceText/DSR_ReplaceText.psm1
@@ -138,7 +138,7 @@ function Set-TargetResource
 
     Assert-ParametersValid @PSBoundParameters
 
-    $fileContent = Get-Content -Path $Path -Raw
+    $fileContent = Get-Content -Path $Path -Raw -ErrorAction SilentlyContinue
 
     if ($Type -eq 'Secret')
     {
@@ -153,7 +153,14 @@ function Set-TargetResource
                 $Path, $Text)
     } # if
 
-    $fileContent = $fileContent -Replace $Search, $Text
+    if ($null -eq $fileContent)
+    {
+        $fileContent = $Text
+    }
+    else
+    {
+        $fileContent = $fileContent -Replace $Search, $Text
+    }
 
     Set-Content `
         -Path $Path `
@@ -216,6 +223,12 @@ function Test-TargetResource
 
     Assert-ParametersValid @PSBoundParameters
 
+    # Check if file being managed exists. If not return $False.
+    if (-not (Test-Path -Path $Path))
+    {
+        return $false
+    }
+
     $fileContent = Get-Content -Path $Path -Raw
 
     Write-Verbose -Message ($localizedData.SearchForTextMessage -f `
@@ -315,11 +328,12 @@ function Assert-ParametersValid
         $Secret
     )
 
-    # Does the file in path exist?
-    if (-not (Test-Path -Path $Path))
+    # Does the file's parent path exist?
+    $parentPath = Split-Path -Path $Path -Parent
+    if (-not (Test-Path -Path $parentPath))
     {
         New-InvalidArgumentException `
-            -Message ($localizedData.FileNotFoundError -f $Path) `
+            -Message ($localizedData.FileParentNotFoundError -f $parentPath) `
             -ArgumentName 'Path'
     } # if
 }
diff --git a/DSCResources/DSR_ReplaceText/en-US/DSR_ReplaceText.strings.psd1 b/DSCResources/DSR_ReplaceText/en-US/DSR_ReplaceText.strings.psd1
index 1670035..85dca92 100644
--- a/DSCResources/DSR_ReplaceText/en-US/DSR_ReplaceText.strings.psd1
+++ b/DSCResources/DSR_ReplaceText/en-US/DSR_ReplaceText.strings.psd1
@@ -8,5 +8,5 @@ ConvertFrom-StringData @'
     StringNoReplacementMessage = String found using RegEx '{1}' in file '{0}', no replacement required.
     StringReplaceTextMessage = String replaced by '{1}' in file '{0}'.
     StringReplaceSecretMessage = String replaced by secret text in file '{0}'.
-    FileNotFoundError = File '{0}' not found.
+    FileParentNotFoundError = File parent path '{0}' not found.
 '@
diff --git a/Tests/Unit/DSR_IniSettingsFile.Tests.ps1 b/Tests/Unit/DSR_IniSettingsFile.Tests.ps1
index 1f2f000..969a7eb 100644
--- a/Tests/Unit/DSR_IniSettingsFile.Tests.ps1
+++ b/Tests/Unit/DSR_IniSettingsFile.Tests.ps1
@@ -235,6 +235,60 @@ try
                         -Exactly 1
                 }
             }
+
+            Context 'File does not exist' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_IniSettingsFile' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Set-IniSettingFileValue `
+                    -ParameterFilter {
+                        ($path -eq $script:testTextFile) -and `
+                        ($section -eq $script:testSection) -and `
+                        ($key -eq $script:testKey) -and `
+                        ($value -eq $script:testText)
+                    } `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_IniSettingsFile' `
+                    -MockWith { $false } `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Out-File `
+                    -ModuleName 'DSR_IniSettingsFile' `
+                    -Verifiable
+
+                It 'Should not throw an exception' {
+                    { Set-TargetResource `
+                            -Path $script:testTextFile `
+                            -Section $script:testSection `
+                            -Key $script:testKey `
+                            -Text $script:testText `
+                            -Verbose
+                    } | Should -Not -Throw
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                    Assert-MockCalled -CommandName Assert-ParametersValid -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Set-IniSettingFileValue `
+                        -ParameterFilter {
+                            ($path -eq $script:testTextFile) -and `
+                            ($section -eq $script:testSection) -and `
+                            ($key -eq $script:testKey) -and `
+                            ($value -eq $script:testText)
+                        } `
+                        -Exactly 1
+                }
+            }
         }
         #endregion
 
@@ -433,6 +487,33 @@ try
                         -Exactly 1
                 }
             }
+
+            Context 'File does not exist' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_IniSettingsFile' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_IniSettingsFile' `
+                    -MockWith { $false }
+
+                It 'Should return false' {
+                    $result = Test-TargetResource `
+                        -Path $script:testTextFile `
+                        -Section $script:testSection `
+                        -Key $script:testKey `
+                        -Text $script:testText
+
+                    $result | Should -Be $false
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                }
+            }
         }
         #endregion
 
@@ -440,6 +521,12 @@ try
         Describe 'DSR_IniSettingsFile\Assert-ParametersValid' {
             Context 'File exists' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -461,8 +548,14 @@ try
                 }
             }
 
-            Context 'File does not exist' {
+            Context 'File parent does not exist' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -470,7 +563,7 @@ try
                     -Verifiable
 
                 $errorRecord = Get-InvalidArgumentRecord `
-                    -Message ($localizedData.FileNotFoundError -f $script:testTextFile) `
+                    -Message ($localizedData.FileParentNotFoundError -f $script:testTextFile) `
                     -ArgumentName 'Path'
 
                 It 'Should throw expected exception' {
diff --git a/Tests/Unit/DSR_KeyValuePairFile.Tests.ps1 b/Tests/Unit/DSR_KeyValuePairFile.Tests.ps1
index 9927bcf..f700346 100644
--- a/Tests/Unit/DSR_KeyValuePairFile.Tests.ps1
+++ b/Tests/Unit/DSR_KeyValuePairFile.Tests.ps1
@@ -184,6 +184,56 @@ $($script:testAddedName)=$($script:testText)
 
         #region Function Set-TargetResource
         Describe 'DSR_KeyValuePairFile\Set-TargetResource' {
+            Context 'File does not exist' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Get-Content `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $null } `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Set-Content `
+                    -ParameterFilter {
+                        ($path -eq $script:testTextFile) -and `
+                        ($value -eq "$script:testName=$script:testText")
+                    } `
+                    -Verifiable
+
+                It 'Should not throw an exception' {
+                    { Set-TargetResource `
+                        -Path $script:testTextFile `
+                        -Name $script:testName `
+                        -Ensure 'Present' `
+                        -Text $script:testText `
+                        -Verbose
+                    } | Should -Not -Throw
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                    Assert-MockCalled -CommandName Assert-ParametersValid -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Get-Content `
+                        -ParameterFilter { $path -eq $script:testTextFile } `
+                        -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Set-Content `
+                        -ParameterFilter {
+                            ($path -eq $script:testTextFile) -and `
+                            ($value -eq "$script:testName=$script:testText")
+                        } `
+                        -Exactly 1
+                }
+            }
+
             Context 'File exists and contains matching key that should exist' {
                 # verifiable (should be called) mocks
                 Mock `
@@ -488,6 +538,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -526,6 +582,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -563,6 +625,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -601,6 +669,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -640,6 +714,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -679,6 +759,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -718,6 +804,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -756,6 +848,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -764,12 +862,12 @@ $($script:testAddedName)=$($script:testText)
 
                 It 'Should not throw an exception' {
                     { $script:result = Test-TargetResource `
-                        -Path $script:testTextFile `
-                        -Name $script:testName `
-                        -Ensure 'Present' `
-                        -Text $script:testText.ToUpper() `
-                        -IgnoreValueCase:$true `
-                        -Verbose
+                            -Path $script:testTextFile `
+                            -Name $script:testName `
+                            -Ensure 'Present' `
+                            -Text $script:testText.ToUpper() `
+                            -IgnoreValueCase:$true `
+                            -Verbose
                     } | Should -Not -Throw
                 }
 
@@ -795,6 +893,12 @@ $($script:testAddedName)=$($script:testText)
                     -ModuleName 'DSR_KeyValuePairFile' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -825,13 +929,53 @@ $($script:testAddedName)=$($script:testText)
                         -Exactly 1
                 }
             }
+
+            Context 'File exists and does not contain matching key but it should' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_KeyValuePairFile' `
+                    -MockWith { $false } `
+                    -Verifiable
+
+                It 'Should not throw an exception' {
+                    { $script:result = Test-TargetResource `
+                        -Path $script:testTextFile `
+                        -Name $script:testName.ToUpper() `
+                        -Ensure 'Present' `
+                        -Text $script:testText `
+                        -Verbose
+                    } | Should -Not -Throw
+                }
+
+                It 'Should return false' {
+                    $script:result | Should -Be $false
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                    Assert-MockCalled -CommandName Assert-ParametersValid -Exactly 1
+                }
+            }
+
         }
         #endregion
 
         #region Function Assert-ParametersValid
         Describe 'DSR_KeyValuePairFile\Assert-ParametersValid' {
-            Context 'File exists' {
+            Context 'File parent path exists' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -840,9 +984,9 @@ $($script:testAddedName)=$($script:testText)
 
                 It 'Should not throw an exception' {
                     { Assert-ParametersValid `
-                        -Path $script:testTextFile `
-                        -Name $script:testName `
-                        -Verbose
+                            -Path $script:testTextFile `
+                            -Name $script:testName `
+                            -Verbose
                     } | Should -Not -Throw
                 }
 
@@ -852,8 +996,14 @@ $($script:testAddedName)=$($script:testText)
                 }
             }
 
-            Context 'File does not exist' {
+            Context 'File parent path does not exist' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -861,14 +1011,14 @@ $($script:testAddedName)=$($script:testText)
                     -Verifiable
 
                 $errorRecord = Get-InvalidArgumentRecord `
-                    -Message ($localizedData.FileNotFoundError -f $script:testTextFile) `
+                    -Message ($localizedData.FileParentNotFoundError -f $script:testTextFile) `
                     -ArgumentName 'Path'
 
                 It 'Should throw expected exception' {
                     { Assert-ParametersValid `
-                        -Path $script:testTextFile `
-                        -Name $script:testName `
-                        -Verbose
+                            -Path $script:testTextFile `
+                            -Name $script:testName `
+                            -Verbose
                     } | Should -Throw $errorRecord
                 }
 
diff --git a/Tests/Unit/DSR_ReplaceText.Tests.ps1 b/Tests/Unit/DSR_ReplaceText.Tests.ps1
index 20435a3..b993dee 100644
--- a/Tests/Unit/DSR_ReplaceText.Tests.ps1
+++ b/Tests/Unit/DSR_ReplaceText.Tests.ps1
@@ -255,6 +255,56 @@ Setting3.Test=Value4
                         -Exactly 1
                 }
             }
+
+            Context 'File does not exist' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Get-Content `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $null } `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Set-Content `
+                    -ParameterFilter {
+                        ($path -eq $script:testTextFile) -and `
+                        ($value -eq $script:testTextReplace)
+                    } `
+                    -Verifiable
+
+                It 'Should not throw an exception' {
+                    { Set-TargetResource `
+                        -Path $script:testTextFile `
+                        -Search $script:testSearch `
+                        -Text $script:testTextReplace `
+                        -Verbose
+                    } | Should -Not -Throw
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                    Assert-MockCalled -CommandName Assert-ParametersValid -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Get-Content `
+                        -ParameterFilter { $path -eq $script:testTextFile } `
+                        -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Set-Content `
+                        -ParameterFilter {
+                            ($path -eq $script:testTextFile) -and `
+                            ($value -eq $script:testTextReplace)
+                        } `
+                        -Exactly 1
+                }
+            }
+
         }
         #endregion
 
@@ -267,6 +317,12 @@ Setting3.Test=Value4
                     -ModuleName 'DSR_ReplaceText' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -306,6 +362,12 @@ Setting3.Test=Value4
                     -ModuleName 'DSR_ReplaceText' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -345,6 +407,12 @@ Setting3.Test=Value4
                     -ModuleName 'DSR_ReplaceText' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -384,6 +452,12 @@ Setting3.Test=Value4
                     -ModuleName 'DSR_ReplaceText' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -424,6 +498,12 @@ Setting3.Test=Value4
                     -ModuleName 'DSR_ReplaceText' `
                     -Verifiable
 
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $true } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Get-Content `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -456,6 +536,49 @@ Setting3.Test=Value4
                         -Exactly 1
                 }
             }
+
+            Context 'File does not exist' {
+                # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Assert-ParametersValid `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Test-Path `
+                    -ModuleName 'DSR_ReplaceText' `
+                    -MockWith { $false } `
+                    -Verifiable
+
+                Mock `
+                    -CommandName Get-Content `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testFileContent }
+
+                $script:result = $null
+
+                It 'Should not throw an exception' {
+                    { $script:result = Test-TargetResource `
+                        -Path $script:testTextFile `
+                        -Search $script:testSearchNoFind `
+                        -Text $script:testTextReplace `
+                        -Verbose
+                    } | Should -Not -Throw
+                }
+
+                It 'Should return true' {
+                    $script:result | Should -Be $false
+                }
+
+                It 'Should call the expected mocks' {
+                    Assert-VerifiableMock
+                    Assert-MockCalled -CommandName Assert-ParametersValid -Exactly 1
+
+                    Assert-MockCalled `
+                        -CommandName Get-Content `
+                        -Exactly 0
+                }
+            }
         }
         #endregion
 
@@ -463,6 +586,12 @@ Setting3.Test=Value4
         Describe 'DSR_ReplaceText\Assert-ParametersValid' {
             Context 'File exists' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -483,8 +612,14 @@ Setting3.Test=Value4
                 }
             }
 
-            Context 'File does not exist' {
+            Context 'File parent does not exist' {
                 # verifiable (should be called) mocks
+                Mock `
+                    -CommandName Split-Path `
+                    -ParameterFilter { $path -eq $script:testTextFile } `
+                    -MockWith { $script:testTextFile } `
+                    -Verifiable
+
                 Mock `
                     -CommandName Test-Path `
                     -ParameterFilter { $path -eq $script:testTextFile } `
@@ -492,7 +627,7 @@ Setting3.Test=Value4
                     -Verifiable
 
                 $errorRecord = Get-InvalidArgumentRecord `
-                    -Message ($localizedData.FileNotFoundError -f $script:testTextFile) `
+                    -Message ($localizedData.FileParentNotFoundError -f $script:testTextFile) `
                     -ArgumentName 'Path'
 
                 It 'Should throw expected exception' {