diff --git a/internal/database/sqlformat/format_test.go b/internal/database/sqlformat/format_test.go
new file mode 100644
index 00000000..62775eed
--- /dev/null
+++ b/internal/database/sqlformat/format_test.go
@@ -0,0 +1,56 @@
+package sqlformat
+
+import "testing"
+
+func TestParseFilename(t *testing.T) {
+	type filenameTestCase struct {
+		filename string
+		filetype uint8
+		error   error
+	}
+
+	testCases := []filenameTestCase{
+		{filename: "dump.sql.gz", filetype: Gzip},
+		{filename: "dump.sql", filetype: Plain},
+		{filename: "dump.dmp", filetype: Custom},
+		{filename: "dump.png", filetype: Unknown, error: UnknownFormatError},
+	}
+	for key, testCase := range testCases {
+		filetype, err := ParseFilename(testCase.filename)
+		if err != testCase.error {
+			t.Error(err)
+		}
+		if filetype != testCase.filetype {
+			t.Errorf("case %d: got %v; expected %v", key, filetype, testCase.filetype)
+		}
+	}
+}
+
+func TestParseFormat(t *testing.T) {
+	type formatTestCase struct {
+		format string
+		filetype uint8
+		error   error
+	}
+
+	testCases := []formatTestCase{
+		{format: "gzip", filetype: Gzip},
+		{format: "gz", filetype: Gzip},
+		{format: "g", filetype: Gzip},
+		{format: "plain", filetype: Plain},
+		{format: "sql", filetype: Plain},
+		{format: "p", filetype: Plain},
+		{format: "custom", filetype: Custom},
+		{format: "c", filetype: Custom},
+		{format: "png", filetype: Unknown, error: UnknownFormatError},
+	}
+	for key, testCase := range testCases {
+		format, err := ParseFormat(testCase.format)
+		if err != testCase.error {
+			t.Error(err)
+		}
+		if format != testCase.filetype {
+			t.Errorf("case %d: got %v; expected %v", key, format, testCase.filetype)
+		}
+	}
+}