add test for checksum skipping

Author: azr

get_test.go

@@ -378,3 +378,35 @@ func TestGetFile_filename(t *testing.T) {
 		t.Fatalf("err: %s", err)
 	}
 }
+
+func TestGetFile_checksumSkip(t *testing.T) {
+	dst := tempFile(t)
+	u := testModule("basic-file/foo.txt") + "?checksum=md5:09f7e02f1290be211da707a266f153b3"
+
+	getter := &MockGetter{Proxy: new(FileGetter)}
+	client := &Client{
+		Src: u,
+		Dst: dst,
+		Dir: false,
+		Getters: map[string]Getter{
+			"file": getter,
+		},
+	}
+
+	// get the file
+	if err := client.Get(); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if v := getter.GetFileURL.Query().Get("checksum"); v != "" {
+		t.Fatalf("bad: %s", v)
+	}
+
+	// remove file getter as
+	// client does the skip
+	client.Getters["file"] = nil
+
+	if err := client.Get(); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+}