diff --git a/backend/src/middleware/slugify/uniqueSlug.js b/backend/src/middleware/slugify/uniqueSlug.js
index 8b04edc6f..51bc76e65 100644
--- a/backend/src/middleware/slugify/uniqueSlug.js
+++ b/backend/src/middleware/slugify/uniqueSlug.js
@@ -1,6 +1,6 @@
 import slugify from 'slug'
 export default async function uniqueSlug (string, isUnique) {
-  let slug = slugify(string, {
+  let slug = slugify(string || '', {
     lower: true
   })
   if (await isUnique(slug)) return slug
diff --git a/backend/src/middleware/userMiddleware.spec.js b/backend/src/middleware/userMiddleware.spec.js
new file mode 100644
index 000000000..f8c1fcf24
--- /dev/null
+++ b/backend/src/middleware/userMiddleware.spec.js
@@ -0,0 +1,318 @@
+import { GraphQLClient } from 'graphql-request'
+import { host, login } from '../jest/helpers'
+import Factory from '../seed/factories'
+
+const factory = Factory()
+let client
+
+afterAll(async () => {
+  await factory.cleanDatabase()
+})
+
+describe('userMiddleware', () => {
+  describe('create User', () => {
+    const mutation = `
+      mutation($id: ID, $password: String!) {
+        CreateUser(id: $id, password: $password) {
+          id
+        }
+      }
+    `
+    client = new GraphQLClient(host)
+    it('with password only', async () => {
+      const variables = {
+        password: '123'
+      }
+      const expected = {
+        CreateUser: {
+          id: expect.any(String)
+        }
+      }
+      await expect(client.request(mutation, variables))
+        .resolves.toEqual(expected)
+    })
+    it('with ID and password', async () => {
+      const variables = {
+        password: '123',
+        id: 'u1'
+      }
+      const expected = {
+        CreateUser: {
+          id: 'u1'
+        }
+      }
+      await expect(client.request(mutation, variables))
+        .resolves.toEqual(expected)
+    })
+  })
+})
+
+/*
+let query
+let action
+
+beforeAll(async () => {
+  // For performance reasons we do this only once
+  await Promise.all([
+    factory.create('User', { id: 'u1', role: 'user', email: 'user@example.org', password: '1234' }),
+    factory.create('User', { id: 'm1', role: 'moderator', email: 'moderator@example.org', password: '1234' }),
+    factory.create('User', { id: 'u2', role: 'user', name: 'Offensive Name', avatar: '/some/offensive/avatar.jpg', about: 'This self description is very offensive', email: 'troll@example.org', password: '1234' })
+  ])
+
+  await factory.authenticateAs({ email: 'user@example.org', password: '1234' })
+  await Promise.all([
+    factory.follow({ id: 'u2', type: 'User' }),
+    factory.create('Post', { id: 'p1', title: 'Deleted post', deleted: true }),
+    factory.create('Post', { id: 'p3', title: 'Publicly visible post', deleted: false })
+  ])
+
+  await Promise.all([
+    factory.create('Comment', { id: 'c2', content: 'Enabled comment on public post' })
+  ])
+
+  await Promise.all([
+    factory.relate('Comment', 'Author', { from: 'u1', to: 'c2' }),
+    factory.relate('Comment', 'Post', { from: 'c2', to: 'p3' })
+  ])
+
+  const asTroll = Factory()
+  await asTroll.authenticateAs({ email: 'troll@example.org', password: '1234' })
+  await asTroll.create('Post', { id: 'p2', title: 'Disabled post', content: 'This is an offensive post content', image: '/some/offensive/image.jpg', deleted: false })
+  await asTroll.create('Comment', { id: 'c1', content: 'Disabled comment' })
+  await Promise.all([
+    asTroll.relate('Comment', 'Author', { from: 'u2', to: 'c1' }),
+    asTroll.relate('Comment', 'Post', { from: 'c1', to: 'p3' })
+  ])
+
+  const asModerator = Factory()
+  await asModerator.authenticateAs({ email: 'moderator@example.org', password: '1234' })
+  await asModerator.mutate('mutation { disable( id: "p2") }')
+  await asModerator.mutate('mutation { disable( id: "c1") }')
+  await asModerator.mutate('mutation { disable( id: "u2") }')
+})
+
+afterAll(async () => {
+  await factory.cleanDatabase()
+})
+
+describe('softDeleteMiddleware', () => {
+  describe('read disabled content', () => {
+    let user
+    let post
+    let comment
+    const beforeComment = async () => {
+      query = '{ User(id: "u1") { following { comments { content contentExcerpt }  } } }'
+      const response = await action()
+      comment = response.User[0].following[0].comments[0]
+    }
+    const beforeUser = async () => {
+      query = '{ User(id: "u1") { following { name about avatar } } }'
+      const response = await action()
+      user = response.User[0].following[0]
+    }
+    const beforePost = async () => {
+      query = '{ User(id: "u1") { following { contributions { title image content contentExcerpt }  } } }'
+      const response = await action()
+      post = response.User[0].following[0].contributions[0]
+    }
+
+    action = () => {
+      return client.request(query)
+    }
+
+    describe('as moderator', () => {
+      beforeEach(async () => {
+        const headers = await login({ email: 'moderator@example.org', password: '1234' })
+        client = new GraphQLClient(host, { headers })
+      })
+
+      describe('User', () => {
+        beforeEach(beforeUser)
+
+        it('displays name', () => expect(user.name).toEqual('Offensive Name'))
+        it('displays about', () => expect(user.about).toEqual('This self description is very offensive'))
+        it('displays avatar', () => expect(user.avatar).toEqual('/some/offensive/avatar.jpg'))
+      })
+
+      describe('Post', () => {
+        beforeEach(beforePost)
+
+        it('displays title', () => expect(post.title).toEqual('Disabled post'))
+        it('displays content', () => expect(post.content).toEqual('This is an offensive post content'))
+        it('displays contentExcerpt', () => expect(post.contentExcerpt).toEqual('This is an offensive post content'))
+        it('displays image', () => expect(post.image).toEqual('/some/offensive/image.jpg'))
+      })
+
+      describe('Comment', () => {
+        beforeEach(beforeComment)
+
+        it('displays content', () => expect(comment.content).toEqual('Disabled comment'))
+        it('displays contentExcerpt', () => expect(comment.contentExcerpt).toEqual('Disabled comment'))
+      })
+    })
+
+    describe('as user', () => {
+      beforeEach(async () => {
+        const headers = await login({ email: 'user@example.org', password: '1234' })
+        client = new GraphQLClient(host, { headers })
+      })
+
+      describe('User', () => {
+        beforeEach(beforeUser)
+
+        it('displays name', () => expect(user.name).toEqual('UNAVAILABLE'))
+        it('obfuscates about', () => expect(user.about).toEqual('UNAVAILABLE'))
+        it('obfuscates avatar', () => expect(user.avatar).toEqual('UNAVAILABLE'))
+      })
+
+      describe('Post', () => {
+        beforeEach(beforePost)
+
+        it('obfuscates title', () => expect(post.title).toEqual('UNAVAILABLE'))
+        it('obfuscates content', () => expect(post.content).toEqual('UNAVAILABLE'))
+        it('obfuscates contentExcerpt', () => expect(post.contentExcerpt).toEqual('UNAVAILABLE'))
+        it('obfuscates image', () => expect(post.image).toEqual('UNAVAILABLE'))
+      })
+
+      describe('Comment', () => {
+        beforeEach(beforeComment)
+
+        it('obfuscates content', () => expect(comment.content).toEqual('UNAVAILABLE'))
+        it('obfuscates contentExcerpt', () => expect(comment.contentExcerpt).toEqual('UNAVAILABLE'))
+      })
+    })
+  })
+
+  describe('Query', () => {
+    describe('Post', () => {
+      beforeEach(async () => {
+        query = '{ Post { title } }'
+      })
+
+      describe('as user', () => {
+        beforeEach(async () => {
+          const headers = await login({ email: 'user@example.org', password: '1234' })
+          client = new GraphQLClient(host, { headers })
+        })
+
+        it('hides deleted or disabled posts', async () => {
+          const expected = { Post: [{ title: 'Publicly visible post' }] }
+          await expect(action()).resolves.toEqual(expected)
+        })
+      })
+
+      describe('as moderator', () => {
+        beforeEach(async () => {
+          const headers = await login({ email: 'moderator@example.org', password: '1234' })
+          client = new GraphQLClient(host, { headers })
+        })
+
+        it('shows disabled but hides deleted posts', async () => {
+          const expected = [
+            { title: 'Disabled post' },
+            { title: 'Publicly visible post' }
+          ]
+          const { Post } = await action()
+          await expect(Post).toEqual(expect.arrayContaining(expected))
+        })
+      })
+
+      describe('.comments', () => {
+        beforeEach(async () => {
+          query = '{ Post(id: "p3") { title comments { content } } }'
+        })
+
+        describe('as user', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'user@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('conceals disabled comments', async () => {
+            const expected = [
+              { content: 'Enabled comment on public post' },
+              { content: 'UNAVAILABLE' }
+            ]
+            const { Post: [{ comments }] } = await action()
+            await expect(comments).toEqual(expect.arrayContaining(expected))
+          })
+        })
+
+        describe('as moderator', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'moderator@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('shows disabled comments', async () => {
+            const expected = [
+              { content: 'Enabled comment on public post' },
+              { content: 'Disabled comment' }
+            ]
+            const { Post: [{ comments }] } = await action()
+            await expect(comments).toEqual(expect.arrayContaining(expected))
+          })
+        })
+      })
+
+      describe('filter (deleted: true)', () => {
+        beforeEach(() => {
+          query = '{ Post(deleted: true) { title } }'
+        })
+
+        describe('as user', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'user@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('throws authorisation error', async () => {
+            await expect(action()).rejects.toThrow('Not Authorised!')
+          })
+        })
+
+        describe('as moderator', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'moderator@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('shows deleted posts', async () => {
+            const expected = { Post: [{ title: 'Deleted post' }] }
+            await expect(action()).resolves.toEqual(expected)
+          })
+        })
+      })
+
+      describe('filter (disabled: true)', () => {
+        beforeEach(() => {
+          query = '{ Post(disabled: true) { title } }'
+        })
+
+        describe('as user', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'user@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('throws authorisation error', async () => {
+            await expect(action()).rejects.toThrow('Not Authorised!')
+          })
+        })
+
+        describe('as moderator', () => {
+          beforeEach(async () => {
+            const headers = await login({ email: 'moderator@example.org', password: '1234' })
+            client = new GraphQLClient(host, { headers })
+          })
+
+          it('shows disabled posts', async () => {
+            const expected = { Post: [{ title: 'Disabled post' }] }
+            await expect(action()).resolves.toEqual(expected)
+          })
+        })
+      })
+    })
+  })
+})
+*/
\ No newline at end of file