Remove eduserver (#2306)

* Move receipt sending to own JetStream producer

* Move SendToDevice to producer

* Remove most parts of the EDU server

* Fix SendToDevice & copyrights

* Move structs, cleanup EDU Server traces

* Use HeadersOnly subscription

* Missing file

* Fix linter issues

* Move consumers to own files

* Rename durable consumer; Consumer cleanup

* Docs/config cleanup

1 files changed, 103 insertions, 0 deletions

diff --git a/internal/caching/cache_typing_test.go b/internal/caching/cache_typing_test.go
new file mode 100644
index 00000000..c03d89bc
--- /dev/null
+++ b/internal/caching/cache_typing_test.go
@@ -0,0 +1,103 @@
+// Copyright 2017 Vector Creations Ltd
+// Copyright 2017-2018 New Vector Ltd
+// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package caching
+
+import (
+	"testing"
+	"time"
+
+	"github.com/matrix-org/dendrite/internal/test"
+)
+
+func TestEDUCache(t *testing.T) {
+	tCache := NewTypingCache()
+	if tCache == nil {
+		t.Fatal("NewTypingCache failed")
+	}
+
+	t.Run("AddTypingUser", func(t *testing.T) {
+		testAddTypingUser(t, tCache)
+	})
+
+	t.Run("GetTypingUsers", func(t *testing.T) {
+		testGetTypingUsers(t, tCache)
+	})
+
+	t.Run("RemoveUser", func(t *testing.T) {
+		testRemoveUser(t, tCache)
+	})
+}
+
+func testAddTypingUser(t *testing.T, tCache *EDUCache) { // nolint: unparam
+	present := time.Now()
+	tests := []struct {
+		userID string
+		roomID string
+		expire *time.Time
+	}{ // Set four users typing state to room1
+		{"user1", "room1", nil},
+		{"user2", "room1", nil},
+		{"user3", "room1", nil},
+		{"user4", "room1", nil},
+		//typing state with past expireTime should not take effect or removed.
+		{"user1", "room2", &present},
+	}
+
+	for _, tt := range tests {
+		tCache.AddTypingUser(tt.userID, tt.roomID, tt.expire)
+	}
+}
+
+func testGetTypingUsers(t *testing.T, tCache *EDUCache) {
+	tests := []struct {
+		roomID    string
+		wantUsers []string
+	}{
+		{"room1", []string{"user1", "user2", "user3", "user4"}},
+		{"room2", []string{}},
+	}
+
+	for _, tt := range tests {
+		gotUsers := tCache.GetTypingUsers(tt.roomID)
+		if !test.UnsortedStringSliceEqual(gotUsers, tt.wantUsers) {
+			t.Errorf("TypingCache.GetTypingUsers(%s) = %v, want %v", tt.roomID, gotUsers, tt.wantUsers)
+		}
+	}
+}
+
+func testRemoveUser(t *testing.T, tCache *EDUCache) {
+	tests := []struct {
+		roomID  string
+		userIDs []string
+	}{
+		{"room3", []string{"user1"}},
+		{"room4", []string{"user1", "user2", "user3"}},
+	}
+
+	for _, tt := range tests {
+		for _, userID := range tt.userIDs {
+			tCache.AddTypingUser(userID, tt.roomID, nil)
+		}
+
+		length := len(tt.userIDs)
+		tCache.RemoveUser(tt.userIDs[length-1], tt.roomID)
+		expLeftUsers := tt.userIDs[:length-1]
+		if leftUsers := tCache.GetTypingUsers(tt.roomID); !test.UnsortedStringSliceEqual(leftUsers, expLeftUsers) {
+			t.Errorf("Response after removal is unexpected. Want = %s, got = %s", leftUsers, expLeftUsers)
+		}
+	}
+}