1 files changed, 55 insertions, 0 deletions
diff --git a/demo/dem/parse_test.go b/demo/dem/parse_test.go
new file mode 100644
index 0000000..d3d33cf
--- /dev/null
+++ b/demo/dem/parse_test.go
@@ -0,0 +1,55 @@
+package dem
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"io/ioutil"
+	"testing"
+
+	"github.com/osm/quake/common/context"
+)
+
+type demTest struct {
+	filePath string
+	checksum string
+}
+
+var demTests = []demTest{
+	{
+		filePath: "testdata/demo1.dem",
+		checksum: "893e5279e3a84fed0416a1101dfc2b6bca1ebd28787323daa8e22cefe54883c1",
+	},
+	{
+		filePath: "testdata/demo2.dem",
+		checksum: "150e6fc54c24a70a44012ba71473a5cbbec081e19204a9eae98249621fef00d7",
+	},
+	{
+		filePath: "testdata/demo3.dem",
+		checksum: "7bee6edc47fe563cbf8f1e873d524d1e4cef7d919b523606e200c0d7c269bd83",
+	},
+}
+
+func TestParse(t *testing.T) {
+	for _, dt := range demTests {
+		t.Run(dt.filePath, func(t *testing.T) {
+			data, err := ioutil.ReadFile(dt.filePath)
+			if err != nil {
+				t.Errorf("unable to open demo file, %v", err)
+			}
+
+			demo, err := Parse(context.New(), data)
+			if err != nil {
+				t.Errorf("unable to parse demo, %v", err)
+			}
+
+			h := sha256.New()
+			h.Write(demo.Bytes())
+			checksum := fmt.Sprintf("%x", h.Sum(nil))
+			if checksum != dt.checksum {
+				t.Errorf("sha256 checksums didn't match")
+				t.Logf("output: %#v", checksum)
+				t.Logf("expected: %#v", dt.checksum)
+			}
+		})
+	}
+}