bug: implement comment edition

- add a new operation
- add a new "timeline" in the snapshot that hold a processed version of the operations

1 files changed, 53 insertions, 0 deletions

diff --git a/bug/op_edit_comment_test.go b/bug/op_edit_comment_test.go
new file mode 100644
index 00000000..9c32051d
--- /dev/null
+++ b/bug/op_edit_comment_test.go
@@ -0,0 +1,53 @@
+package bug
+
+import (
+	"testing"
+	"time"
+
+	"gotest.tools/assert"
+)
+
+func TestEdit(t *testing.T) {
+	snapshot := Snapshot{}
+
+	var rene = Person{
+		Name:  "René Descartes",
+		Email: "rene@descartes.fr",
+	}
+
+	unix := time.Now().Unix()
+
+	create := NewCreateOp(rene, unix, "title", "create", nil)
+	create.Apply(&snapshot)
+
+	hash1, err := create.Hash()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	comment := NewAddCommentOp(rene, unix, "comment", nil)
+	comment.Apply(&snapshot)
+
+	hash2, err := comment.Hash()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	edit := NewEditCommentOp(rene, unix, hash1, "create edited", nil)
+	edit.Apply(&snapshot)
+
+	assert.Equal(t, len(snapshot.Timeline), 2)
+	assert.Equal(t, len(snapshot.Timeline[0].(*CreateTimelineItem).History), 2)
+	assert.Equal(t, len(snapshot.Timeline[1].(*CommentTimelineItem).History), 1)
+	assert.Equal(t, snapshot.Comments[0].Message, "create edited")
+	assert.Equal(t, snapshot.Comments[1].Message, "comment")
+
+	edit2 := NewEditCommentOp(rene, unix, hash2, "comment edited", nil)
+	edit2.Apply(&snapshot)
+
+	assert.Equal(t, len(snapshot.Timeline), 2)
+	assert.Equal(t, len(snapshot.Timeline[0].(*CreateTimelineItem).History), 2)
+	assert.Equal(t, len(snapshot.Timeline[1].(*CommentTimelineItem).History), 2)
+	assert.Equal(t, snapshot.Comments[0].Message, "create edited")
+	assert.Equal(t, snapshot.Comments[1].Message, "comment edited")
+}