diff --git a/approval_name.go b/approval_name.go
index dcb8f5f..9eeaea1 100644
--- a/approval_name.go
+++ b/approval_name.go
@@ -1,66 +1,9 @@
 package approvals
 
 import (
-	"fmt"
-	"runtime"
-	"strings"
-
 	"github.com/approvals/go-approval-tests/core"
 )
 
 func getApprovalNameCreator() core.ApprovalNamerCreator {
 	return CreateTemplatedCustomNamerCreator("{TestSourceDirectory}/{ApprovalsSubdirectory}/{TestFileName}.{TestCaseName}.{ApprovedOrReceived}.{FileExtension}")
 }
-
-func getApprovalName(t core.Failable) (string, string) {
-	fileName, err := findFileName()
-	if err != nil {
-		t.Fatalf("approvals: could not find the test filename or approved files location")
-		return "", ""
-	}
-
-	var name = t.Name()
-	name = strings.ReplaceAll(name, "/", ".")
-
-	return name, fileName
-}
-
-// Walk the call stack, and try to find the test method that was executed.
-// The test method is identified by looking for the test runner, which is
-// *assumed* to be common across all callers.  The test runner has a Name() of
-// 'testing.tRunner'.  The method immediately previous to this is the test
-// method.
-func findFileName() (string, error) {
-	pc := make([]uintptr, 100)
-	count := runtime.Callers(0, pc)
-	frames := runtime.CallersFrames(pc[:count])
-
-	var lastFrame, testFrame *runtime.Frame
-
-	for {
-		frame, more := frames.Next()
-		if !more {
-			break
-		}
-
-		if isTestRunner(&frame) {
-			testFrame = &frame
-			break
-		}
-		lastFrame = &frame
-	}
-
-	if !isTestRunner(testFrame) {
-		return "", fmt.Errorf("approvals: could not find the test method")
-	}
-
-	if lastFrame == nil {
-		return "", fmt.Errorf("approvals: could not find the last frame")
-	}
-
-	return lastFrame.File, nil
-}
-
-func isTestRunner(f *runtime.Frame) bool {
-	return f != nil && f.Function == "testing.tRunner" || f.Function == "testing.runExample"
-}
diff --git a/stack_trace_namer.go b/stack_trace_namer.go
new file mode 100644
index 0000000..938ff6a
--- /dev/null
+++ b/stack_trace_namer.go
@@ -0,0 +1,62 @@
+package approvals
+
+import (
+	"fmt"
+	"runtime"
+	"strings"
+
+	"github.com/approvals/go-approval-tests/core"
+)
+
+func getApprovalName(t core.Failable) (name string, fileName string) {
+	fileName, err := findFileName()
+	if err != nil {
+		t.Fatalf("approvals: could not find the test filename or approved files location")
+		return "", ""
+	}
+
+	name = t.Name()
+	name = strings.ReplaceAll(name, "/", ".")
+
+	return name, fileName
+}
+
+// Walk the call stack, and try to find the test method that was executed.
+// The test method is identified by looking for the test runner, which is
+// *assumed* to be common across all callers.  The test runner has a Name() of
+// 'testing.tRunner'.  The method immediately previous to this is the test
+// method.
+func findFileName() (string, error) {
+	pc := make([]uintptr, 100)
+	count := runtime.Callers(0, pc)
+	frames := runtime.CallersFrames(pc[:count])
+
+	var lastFrame, testFrame *runtime.Frame
+
+	for {
+		frame, more := frames.Next()
+		if !more {
+			break
+		}
+
+		if isTestRunner(&frame) {
+			testFrame = &frame
+			break
+		}
+		lastFrame = &frame
+	}
+
+	if !isTestRunner(testFrame) {
+		return "", fmt.Errorf("approvals: could not find the test method")
+	}
+
+	if lastFrame == nil {
+		return "", fmt.Errorf("approvals: could not find the last frame")
+	}
+
+	return lastFrame.File, nil
+}
+
+func isTestRunner(f *runtime.Frame) bool {
+	return f != nil && f.Function == "testing.tRunner" || f.Function == "testing.runExample"
+}