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Posted to commits@couchdb.apache.org by da...@apache.org on 2018/11/28 22:10:55 UTC

[couchdb] 01/01: Add Elixir tests for database partitions

This is an automated email from the ASF dual-hosted git repository.

davisp pushed a commit to branch feature/database-partitions
in repository https://gitbox.apache.org/repos/asf/couchdb.git

commit f980f310e6e20e0b54b51a2a342fd4f0e7c32d4a
Author: Paul J. Davis <pa...@gmail.com>
AuthorDate: Wed Nov 28 10:58:42 2018 -0600

    Add Elixir tests for database partitions
---
 test/elixir/test/partition_crud_test.exs        | 298 ++++++++++++++
 test/elixir/test/partition_design_docs_test.exs |  16 +
 test/elixir/test/partition_helpers.exs          |  72 ++++
 test/elixir/test/partition_mango_test.exs       | 503 ++++++++++++++++++++++++
 test/elixir/test/partition_size_test.exs        | 133 +++++++
 test/elixir/test/partition_view_test.exs        | 378 ++++++++++++++++++
 test/elixir/test/test_helper.exs                |  13 +-
 7 files changed, 1410 insertions(+), 3 deletions(-)

diff --git a/test/elixir/test/partition_crud_test.exs b/test/elixir/test/partition_crud_test.exs
new file mode 100644
index 0000000..03f5ac3
--- /dev/null
+++ b/test/elixir/test/partition_crud_test.exs
@@ -0,0 +1,298 @@
+defmodule PartitionCrudTest do
+  use CouchTestCase
+
+  @tag :with_partitioned_db
+  test "Sets partition in db info", context do
+    db_name = context[:db_name]
+    resp = Couch.get("/#{db_name}")
+    %{body: body} = resp
+    assert body["props"] == %{"partitioned" => true}
+  end
+
+  @tag :with_partitioned_db
+  test "PUT and GET document", context do
+    db_name = context[:db_name]
+    id = "my-partition:doc"
+    url = "/#{db_name}/#{id}"
+
+    resp = Couch.put(url, body: %{partitioned_doc: true})
+    %{body: doc} = resp
+    assert resp.status_code == 201
+    assert doc["id"] == id
+
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+
+    %{body: doc} = resp
+    assert doc["_id"] == id
+  end
+
+  @tag :with_partitioned_db
+  test "PUT fails if a partition key is not supplied", context do
+    db_name = context[:db_name]
+    id = "not-partitioned"
+    url = "/#{db_name}/#{id}"
+
+    resp = Couch.put(url, body: %{partitioned_doc: false})
+    assert resp.status_code == 400
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Document id must contain a partition"
+    }
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "PUT fails for partitions with _", context do
+    db_name = context[:db_name]
+    id = "_bad:partitioned"
+    url = "/#{db_name}/#{id}"
+
+    resp = Couch.put(url, body: %{partitioned_doc: false})
+
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Only reserved document ids may start with underscore."
+    }
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "PUT fails for bad partitions", context do
+    db_name = context[:db_name]
+    id = "bad:"
+    url = "/#{db_name}/#{id}"
+
+    resp = Couch.put(url, body: %{partitioned_doc: false})
+
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Document id must not be empty"
+    }
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "POST and GET document", context do
+    db_name = context[:db_name]
+    id = "my-partition-post:doc"
+    url = "/#{db_name}"
+
+    resp = Couch.post(url, body: %{_id: id, partitioned_doc: true})
+    assert resp.status_code == 201
+
+    resp = Couch.get("#{url}/#{id}")
+    assert resp.status_code == 200
+
+    %{body: doc} = resp
+    assert doc["_id"] == id
+  end
+
+  @tag :with_partitioned_db
+  test "POST and _bulk_get document", context do
+    db_name = context[:db_name]
+    id = "my-partition-post:doc"
+    url = "/#{db_name}"
+
+    resp = Couch.post(url, body: %{_id: id, partitioned_doc: true})
+    assert resp.status_code == 201
+
+    resp = Couch.post("#{url}/_bulk_get", body: %{docs: [%{id: id}]})
+    assert resp.status_code == 200
+
+    %{body: body} = resp
+
+    assert %{
+      "results" => [
+        %{
+          "docs" => [
+            %{
+              "ok" => %{
+                "_id" => "my-partition-post:doc",
+                "_rev" => "1-43d86359741cb629c0953a2beb6e9d7a",
+                "partitioned_doc" => true
+              }
+            }
+          ],
+          "id" => "my-partition-post:doc"
+        }
+      ]
+    } == body
+  end
+
+  @tag :with_partitioned_db
+  test "_bulk_get bad partitioned document", context do
+    db_name = context[:db_name]
+    id = "my-partition-post"
+    url = "/#{db_name}"
+
+    resp = Couch.post("#{url}/_bulk_get", body: %{docs: [%{id: id}]})
+    assert resp.status_code == 200
+    %{:body => body} = resp
+
+    assert %{"results" => [
+      %{"docs" => [
+        %{"error" =>
+          %{
+            "error" => "illegal_docid",
+            "id" => "my-partition-post",
+            "reason" => "Document id must contain a partition",
+            "rev" => :null
+            }
+        }
+      ],
+        "id" => "my-partition-post"
+      }]} == body
+  end
+
+  @tag :with_partitioned_db
+  test "POST fails if a partition key is not supplied", context do
+    db_name = context[:db_name]
+    id = "not-partitioned-post"
+    url = "/#{db_name}"
+
+    resp = Couch.post(url, body: %{_id: id, partitited_doc: false})
+    assert resp.status_code == 400
+  end
+
+  @tag :with_partitioned_db
+  test "_bulk_docs saves docs with partition key", context do
+    db_name = context[:db_name]
+    docs = [
+      %{_id: "foo:1"},
+      %{_id: "bar:1"},
+    ]
+
+    url = "/#{db_name}"
+    resp = Couch.post("#{url}/_bulk_docs", body: %{:docs => docs} )
+    assert resp.status_code == 201
+
+    resp = Couch.get("#{url}/foo:1")
+    assert resp.status_code == 200
+
+    resp = Couch.get("#{url}/bar:1")
+    assert resp.status_code == 200
+  end
+
+  @tag :with_partitioned_db
+  test "_bulk_docs errors with missing partition key", context do
+    db_name = context[:db_name]
+    docs = [
+      %{_id: "foo1"},
+    ]
+
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Document id must contain a partition"
+    }
+
+    url = "/#{db_name}"
+    resp = Couch.post("#{url}/_bulk_docs", body: %{:docs => docs} )
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "_bulk_docs errors with bad partition key", context do
+    db_name = context[:db_name]
+    docs = [
+      %{_id: "_foo:1"},
+    ]
+
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Only reserved document ids may start with underscore."
+    }
+
+    url = "/#{db_name}"
+    resp = Couch.post("#{url}/_bulk_docs", body: %{:docs => docs} )
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "_bulk_docs errors with bad doc key", context do
+    db_name = context[:db_name]
+    docs = [
+      %{_id: "foo:"},
+    ]
+
+    error = %{
+      "error" => "illegal_docid",
+      "reason" => "Document id must not be empty",
+    }
+
+    url = "/#{db_name}"
+    resp = Couch.post("#{url}/_bulk_docs", body: %{:docs => docs} )
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == error
+  end
+
+  @tag :with_partitioned_db
+  test "saves attachment with partitioned doc", context do
+    db_name = context[:db_name]
+    id = "foo:doc-with-attachment"
+
+    doc = %{
+      _id: id,
+      _attachments: %{
+        "foo.txt": %{
+          content_type: "text/plain",
+          data: Base.encode64("This is a text document to save")
+        }
+      }
+    }
+    resp = Couch.put("/#{db_name}/#{id}", [body: doc])
+
+    assert resp.status_code == 201
+
+    resp = Couch.get("/#{db_name}/#{id}")
+    assert resp.status_code == 200
+    body = Map.get(resp, :body)
+    rev = Map.get(body, "_rev")
+
+    assert body["_attachments"] == %{
+      "foo.txt" => %{
+        "content_type" => "text/plain",
+        "digest" => "md5-OW2BoZAtMqs1E+fAnLpNBw==",
+        "length" => 31,
+        "revpos" => 1,
+        "stub" => true
+      }
+    }
+
+    resp = Couch.get("/#{db_name}/#{id}/foo.txt")
+    assert Map.get(resp, :body)  == "This is a text document to save"
+
+    resp = Couch.put("/#{db_name}/#{id}/bar.txt?rev=#{rev}",[
+      headers: ["Content-Type": "text/plain"],
+      body: "This is another document"
+    ])
+
+    assert resp.status_code == 201
+    %{:body => body} = resp
+    assert body["ok"] == true
+    assert body["id"] == id
+  end
+
+  test "create database with bad `partitioned` value", _context do
+    resp = Couch.put("/bad-db?partitioned=tru")
+    assert resp.status_code == 400
+    assert Map.get(resp, :body) == %{
+      "error" => "bad_request",
+      "reason" => "Invalid `partitioned` parameter"
+    }
+  end
+
+  test "cannot create partitioned system db", _context do
+    Couch.delete("/_replicator")
+
+    resp = Couch.put("/_replicator?partitioned=true")
+    assert resp.status_code == 400
+
+    %{:body => %{"reason" => reason}} = resp
+    assert Regex.match?(~r/Cannot partition a system database/, reason)
+  end
+end
diff --git a/test/elixir/test/partition_design_docs_test.exs b/test/elixir/test/partition_design_docs_test.exs
new file mode 100644
index 0000000..42a2ced
--- /dev/null
+++ b/test/elixir/test/partition_design_docs_test.exs
@@ -0,0 +1,16 @@
+defmodule PartitionDesignDocsTest do
+  use CouchTestCase
+
+  @moduledoc """
+  Test Partition functionality for partition design docs
+  """
+
+  @tag :with_partitioned_db
+  test "/_partition/:pk/_design/doc 404", context do
+    db_name = context[:db_name]
+
+    url = "/#{db_name}/_partition/fake-key/_design/mrtest/"
+    resp = Couch.get(url)
+    assert resp.status_code == 404
+  end
+end
diff --git a/test/elixir/test/partition_helpers.exs b/test/elixir/test/partition_helpers.exs
new file mode 100644
index 0000000..823b71d
--- /dev/null
+++ b/test/elixir/test/partition_helpers.exs
@@ -0,0 +1,72 @@
+defmodule PartitionHelpers do
+  use ExUnit.Case
+
+  def create_partition_docs(db_name, pk1 \\ "foo", pk2 \\ "bar") do
+    docs = for i <- 1..100 do
+      id = if rem(i, 2) == 0 do
+        "#{pk1}:#{i}"
+      else
+        "#{pk2}:#{i}"
+      end
+
+      group = if rem(i, 3) == 0 do
+          "one"
+        else
+          "two"
+      end
+
+      %{
+        :_id => id,
+        :value => i,
+        :some => "field",
+        :group => group
+      }
+    end
+
+    resp = Couch.post("/#{db_name}/_bulk_docs", body: %{:w => 3, :docs => docs} )
+    assert resp.status_code == 201
+  end
+
+  def create_partition_ddoc(db_name, opts \\ %{}) do
+      mapFn = """
+        function(doc) {
+          if (doc.some) {
+            emit(doc.value, doc.some);
+          }
+        }
+      """
+      default_ddoc = %{
+        views: %{
+          some: %{
+            map: mapFn
+          }
+        }
+      }
+
+      ddoc = Enum.into(opts, default_ddoc)
+
+      resp = Couch.put("/#{db_name}/_design/mrtest", body: ddoc)
+      assert resp.status_code == 201
+      assert Map.has_key?(resp.body, "ok") == true
+    end
+
+  def get_ids(resp) do
+    %{:body => %{"rows" => rows}} = resp
+    Enum.map(rows, fn row -> row["id"] end)
+  end
+
+  def get_partitions(resp) do
+    %{:body => %{"rows" => rows}} = resp
+    Enum.map(rows, fn row ->
+      [partition, _] = String.split(row["id"], ":")
+      partition
+    end)
+  end
+
+  def assert_correct_partition(partitions, correct_partition) do
+    assert Enum.all?(partitions, fn (partition) ->
+      partition == correct_partition
+    end)
+  end
+
+end
diff --git a/test/elixir/test/partition_mango_test.exs b/test/elixir/test/partition_mango_test.exs
new file mode 100644
index 0000000..6004232
--- /dev/null
+++ b/test/elixir/test/partition_mango_test.exs
@@ -0,0 +1,503 @@
+defmodule PartitionMangoTest do
+  use CouchTestCase
+  import PartitionHelpers, except: [get_partitions: 1]
+
+  @moduledoc """
+  Test Partition functionality for mango
+  """
+  def create_index(db_name, fields \\ ["some"], opts \\ %{}) do
+    default_index = %{
+      index: %{
+        fields: fields
+      }
+    }
+
+    index = Enum.into(opts, default_index)
+    resp = Couch.post("/#{db_name}/_index", body: index)
+
+    assert resp.status_code == 200
+    assert resp.body["result"] == "created"
+  end
+
+  def get_partitions(resp) do
+    %{:body => %{"docs" => docs}} = resp
+    Enum.map(docs, fn doc ->
+      [partition, _] = String.split(doc["_id"], ":")
+      partition
+    end)
+  end
+
+  @tag :with_partitioned_db
+  test "query using _id and partition works", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name)
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        "_id": %{
+          "$gt": "foo:"
+        }
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        "_id": %{
+          "$lt": "foo:"
+        }
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "query using _id works for global and local query", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name)
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        "_id": %{
+          "$gt": 0
+        }
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        "_id": %{
+          "$gt": 0
+        }
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "query with partitioned:true using index and $eq", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name)
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query using _all_docs with $eq", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      limit: 20
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 20
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_db
+  test "non-partitioned query using _all_docs and $eq", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      skip: 40,
+      limit: 5
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert partitions == ["bar", "bar", "bar", "bar", "bar"]
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      },
+      skip: 50,
+      limit: 5
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert partitions == ["foo", "foo", "foo", "foo", "foo"]
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query using index and range scan", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name, "foo", "bar42")
+    create_index(db_name, ["value"])
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar42/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "bar42")
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query using _all_docs and range scan", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query using _all_docs", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name, "foo", "bar42")
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar42/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "bar42")
+  end
+
+
+  @tag :with_partitioned_db
+  test "explain works with partitions", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["some"])
+
+    url = "/#{db_name}/_partition/foo/_explain"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    %{:body => body} = resp
+
+    assert body["index"]["name"] == "_all_docs"
+    assert body["mrargs"]["partition"] == "foo"
+
+    url = "/#{db_name}/_partition/bar/_explain"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      }
+    })
+
+    %{:body => body} = resp
+
+    assert body["index"]["def"] == %{"fields" => [%{"some" => "asc"}]}
+    assert body["mrargs"]["partition"] == "bar"
+  end
+
+  @tag :with_db
+  test "explain works with non partitioned db", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["some"])
+
+    url = "/#{db_name}/_explain"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      }
+    })
+
+    %{:body => body} = resp
+
+    assert body["index"]["name"] == "_all_docs"
+    assert body["mrargs"]["partition"] == :null
+
+    resp = Couch.post(url, body: %{
+      selector: %{
+        some: "field"
+      }
+    })
+
+    %{:body => body} = resp
+
+    assert body["index"]["def"] == %{"fields" => [%{"some" => "asc"}]}
+    assert body["mrargs"]["partition"] == :null
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query using bookmarks", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["value"])
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      },
+      limit: 3
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 3
+    assert_correct_partition(partitions, "foo")
+
+    %{:body => %{"bookmark" => bookmark}} = resp
+
+    resp = Couch.post(url, body: %{
+      selector: %{
+        value: %{
+          "$gte": 6,
+          "$lt": 16
+        }
+      },
+      limit: 3,
+      bookmark: bookmark
+    })
+
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 2
+    assert_correct_partition(partitions, "foo")
+  end
+
+  @tag :with_partitioned_db
+  test "global query uses global index", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["some"], %{partitioned: false})
+
+    url = "/#{db_name}/_explain"
+    selector = %{
+      selector: %{
+        some: "field"
+      },
+      limit: 100
+    }
+
+    resp = Couch.post(url, body: selector)
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["index"]["def"] == %{"fields" => [%{"some" => "asc"}]}
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: selector)
+    assert resp.status_code == 200
+
+    partitions = get_partitions(resp)
+    assert length(partitions) == 100
+  end
+
+
+  @tag :with_partitioned_db
+  test "global query does not use partition index", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["some"])
+
+    url = "/#{db_name}/_explain"
+    selector = %{
+      selector: %{
+        some: "field"
+      },
+      limit: 100
+    }
+
+    resp = Couch.post(url, body: selector)
+    %{:body => body} = resp
+    assert body["index"]["name"] == "_all_docs"
+
+    url = "/#{db_name}/_find"
+    resp = Couch.post(url, body: selector)
+
+    assert resp.status_code == 200
+
+    partitions = get_partitions(resp)
+    assert length(partitions) == 100
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query does not use global index", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_index(db_name, ["some"], %{partitioned: false})
+
+    url = "/#{db_name}/_partition/foo/_explain"
+    selector = %{
+      selector: %{
+        some: "field"
+      },
+      limit: 50
+    }
+
+    resp = Couch.post(url, body: selector)
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["index"]["name"] == "_all_docs"
+
+    url = "/#{db_name}/_partition/foo/_find"
+    resp = Couch.post(url, body: selector)
+    assert resp.status_code == 200
+
+    partitions = get_partitions(resp)
+    assert length(partitions) == 50
+    assert_correct_partition(partitions, "foo")
+  end
+end
diff --git a/test/elixir/test/partition_size_test.exs b/test/elixir/test/partition_size_test.exs
new file mode 100644
index 0000000..3ca377c
--- /dev/null
+++ b/test/elixir/test/partition_size_test.exs
@@ -0,0 +1,133 @@
+defmodule PartitionSizeTest do
+  use CouchTestCase
+  import PartitionHelpers
+
+  @moduledoc """
+  Test Partition size functionality
+  """
+  @tag :with_partitioned_db
+  test "get partition size", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+
+    infoResp = Couch.get("/#{db_name}")
+    %{:body => info} = infoResp
+    externalSize = info["sizes"]["external"]
+
+    url = "/#{db_name}/_partition/foo"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 50
+    assert body["partition"] == "foo"
+    assert body["sizes"]["external"] == externalSize / 2
+
+    url = "/#{db_name}/_partition/bar"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 50
+    assert body["partition"] == "bar"
+    assert body["sizes"]["external"] == externalSize / 2
+  end
+
+  @tag :with_partitioned_db
+  test "get partition size for two partitions on same shard", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name, "foo", "bar42")
+
+    infoResp = Couch.get("/#{db_name}")
+    %{:body => info} = infoResp
+    externalSize = info["sizes"]["external"]
+
+    url = "/#{db_name}/_partition/foo"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 50
+    assert body["partition"] == "foo"
+    assert body["sizes"]["external"] == externalSize / 2
+
+    url = "/#{db_name}/_partition/bar42"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 50
+    assert body["partition"] == "bar42"
+    assert body["sizes"]["external"] == externalSize / 2
+  end
+
+  @tag :with_partitioned_db
+  test "get partition size with attachment", context do
+    db_name = context[:db_name]
+    # create_partition_docs(db_name, "foo", "bar42")
+
+    id = "foo:doc-with-attachment"
+
+    doc = %{
+      _id: id,
+      _attachments: %{
+        "foo.txt": %{
+          content_type: "text/plain",
+          data: Base.encode64("This is a text document to save")
+        }
+      }
+    }
+    Couch.put("/#{db_name}/#{id}", [body: doc])
+
+    infoResp = Couch.get("/#{db_name}")
+    %{:body => info} = infoResp
+    externalSize = info["sizes"]["external"]
+
+    url = "/#{db_name}/_partition/foo"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 1
+    assert body["partition"] == "foo"
+    assert body["sizes"]["external"] == externalSize
+  end
+
+  @tag :with_partitioned_db
+  test "get multiple partition sizes with attachment", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name, "foo", "bar42")
+
+    id = "foo:doc-with-attachment"
+
+    doc = %{
+      _id: id,
+      _attachments: %{
+        "foo.txt": %{
+          content_type: "text/plain",
+          data: Base.encode64("This is a text document to save")
+        }
+      }
+    }
+    Couch.put("/#{db_name}/#{id}", [body: doc])
+
+    url = "/#{db_name}/_partition/foo"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 51
+    assert body["partition"] == "foo"
+    #hard coding in values here. Not sure if this is a good idea long term
+    assert body["sizes"]["external"] == 4503
+
+    url = "/#{db_name}/_partition/bar42"
+    resp = Couch.get(url)
+
+    assert resp.status_code == 200
+    %{:body => body} = resp
+    assert body["doc_count"] == 50
+    assert body["partition"] == "bar42"
+    assert body["sizes"]["external"] == 4450
+  end
+end
diff --git a/test/elixir/test/partition_view_test.exs b/test/elixir/test/partition_view_test.exs
new file mode 100644
index 0000000..5f658c8
--- /dev/null
+++ b/test/elixir/test/partition_view_test.exs
@@ -0,0 +1,378 @@
+defmodule ViewPartitionTest do
+  use CouchTestCase
+  import PartitionHelpers
+
+  @moduledoc """
+  Test Partition functionality for views
+  """
+
+  def create_reduce_ddoc(db_name, opts \\ %{}) do
+    mapFn = """
+      function(doc) {
+        if (doc.group) {
+          emit([doc.some, doc.group], 1);
+        }
+      }
+    """
+    default_ddoc = %{
+      views: %{
+        some: %{
+          map: mapFn,
+          reduce: "_count"
+        }
+      }
+    }
+
+    ddoc = Enum.into(opts, default_ddoc)
+
+    resp = Couch.put("/#{db_name}/_design/mrtest", body: ddoc)
+    assert resp.status_code == 201
+    assert Map.has_key?(resp.body, "ok") == true
+  end
+
+  def get_reduce_result (resp) do
+    %{:body => %{"rows" => rows}} = resp
+    rows
+  end
+
+  @tag :with_partitioned_db
+  test "query with partitioned:true returns partitioned fields", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, options: %{partitioned: true})
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "default view query returns partitioned fields", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "bar")
+  end
+
+  @tag :with_partitioned_db
+  test "query will not include other docs in shard", context do
+    db_name = context[:db_name]
+    # bar42 will be put in the same shard as foo for q = 8
+    create_partition_docs(db_name, "foo", "bar42")
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "foo")
+
+    url = "/#{db_name}/_partition/bar42/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) > 0
+    assert_correct_partition(partitions, "bar42")
+  end
+
+  @tag :with_partitioned_db
+  test "query will return zero results for wrong inputs", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url, query: %{start_key: "\"foo:12\""})
+    assert resp.status_code == 200
+    assert Map.get(resp, :body)["rows"] == []
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned ddoc cannot be used in global query", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    %{:body => %{"reason" => reason}} = resp
+    assert resp.status_code == 400
+    assert Regex.match?(~r/mandatory for queries to this view./, reason)
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query cannot be used with global ddoc", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, options: %{partitioned: false})
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    %{:body => %{"reason" => reason}} = resp
+    assert resp.status_code == 400
+    assert Regex.match?(~r/is not supported in this design doc/, reason)
+  end
+
+  @tag :with_partitioned_db
+  test "view query returns all docs for global query", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, options: %{partitioned: false})
+
+    url = "/#{db_name}/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 100
+  end
+
+  @tag :with_partitioned_db
+  test "partition query errors with incorrect partition supplied", context do
+    db_name = context[:db_name]
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/_bar/_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 400
+
+    url = "/#{db_name}/_partition//_design/mrtest/_view/some"
+    resp = Couch.get(url)
+    assert resp.status_code == 400
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query works with startkey, endkey range", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, options: %{partitioned: true})
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url, query: %{start_key: 12, end_key: 20})
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "foo")
+  end
+
+  @tag :with_partitioned_db
+  test "partitioned query works with keys", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.post(url, body: %{keys: [2, 4, 6]})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 3
+    assert ids == ["foo:2", "foo:4", "foo:6"]
+  end
+
+  @tag :with_partitioned_db
+  test "global query works with keys", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, options: %{partitioned: false})
+
+    url = "/#{db_name}/_design/mrtest/_view/some"
+
+    resp = Couch.post(url, body: %{keys: [2, 4, 6]})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 3
+    assert ids == ["foo:2", "foo:4", "foo:6"]
+  end
+
+  @tag :with_partitioned_db
+  test "partition query works with limit", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+
+    resp = Couch.get(url, query: %{limit: 5})
+    assert resp.status_code == 200
+    partitions = get_partitions(resp)
+    assert length(partitions) == 5
+    assert_correct_partition(partitions, "foo")
+  end
+
+  @tag :with_partitioned_db
+  test "partition query with descending", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+
+    resp = Couch.get(url, query: %{descending: true, limit: 5})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 5
+    assert ids == ["foo:100", "foo:98", "foo:96", "foo:94", "foo:92"]
+
+    resp = Couch.get(url, query: %{descending: false, limit: 5})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 5
+    assert ids == ["foo:2", "foo:4", "foo:6", "foo:8", "foo:10"]
+  end
+
+  @tag :with_partitioned_db
+  test "partition query with skip", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+
+    resp = Couch.get(url, query: %{skip: 5, limit: 5})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 5
+    assert ids == ["foo:12", "foo:14", "foo:16", "foo:18", "foo:20"]
+  end
+
+  @tag :with_partitioned_db
+  test "partition query with key", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+
+    resp = Couch.get(url, query: %{key: 22})
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert length(ids) == 1
+    assert ids == ["foo:22"]
+  end
+
+  @tag :with_partitioned_db
+  test "partition query with startkey_docid and endkey_docid", context do
+    mapFn = """
+      function(doc) {
+        if (doc.some) {
+          emit(doc.some);
+        }
+      }
+    """
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name, views: %{
+      some: %{
+        map: mapFn
+      }
+    })
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+
+    resp = Couch.get(url, query: %{
+      startkey: "\"field\"",
+      endkey: "\"field\"",
+      startkey_docid: "foo:18",
+      endkey_docid: "foo:24"
+    })
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert ids == ["foo:18", "foo:2", "foo:20", "foo:22", "foo:24"]
+  end
+
+  @tag :with_partitioned_db
+  test "query with update=false works", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_partition_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url, query: %{
+      update: "true",
+      limit: 3
+    })
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert ids == ["foo:2", "foo:4", "foo:6"]
+
+    # Avoid race conditions by attempting to get a full response
+    # from every shard before we do our update:false test
+    for i <- 1..12 do
+      resp = Couch.get(url)
+      assert resp.status_code == 200
+    end
+
+    Couch.put("/#{db_name}/foo:1", body: %{some: "field"})
+
+    resp = Couch.get(url, query: %{
+      update: "false",
+      limit: 3
+    })
+    Logger.debug "#{inspect resp}"
+    assert resp.status_code == 200
+    ids = get_ids(resp)
+    assert ids == ["foo:2", "foo:4", "foo:6"]
+  end
+
+  @tag :with_partitioned_db
+  test "query with reduce works", context do
+    db_name = context[:db_name]
+    create_partition_docs(db_name)
+    create_reduce_ddoc(db_name)
+
+    url = "/#{db_name}/_partition/foo/_design/mrtest/_view/some"
+    resp = Couch.get(url, query: %{
+      reduce: true,
+      group_level: 1,
+    })
+
+    assert resp.status_code == 200
+    results = get_reduce_result(resp)
+    assert results == [%{"key" => ["field"], "value" => 50}]
+
+    resp = Couch.get(url, query: %{
+      reduce: true,
+      group_level: 2
+    })
+
+    results = get_reduce_result(resp)
+    assert results == [
+      %{"key" => ["field", "one"], "value" => 16},
+      %{"key" => ["field", "two"], "value" => 34}
+    ]
+
+    resp = Couch.get(url, query: %{
+      reduce: true,
+      group: true
+    })
+
+    results = get_reduce_result(resp)
+    assert results == [
+      %{"key" => ["field", "one"], "value" => 16},
+      %{"key" => ["field", "two"], "value" => 34}
+    ]
+  end
+end
diff --git a/test/elixir/test/test_helper.exs b/test/elixir/test/test_helper.exs
index d0d9d92..c2a2169 100644
--- a/test/elixir/test/test_helper.exs
+++ b/test/elixir/test/test_helper.exs
@@ -1,6 +1,8 @@
 ExUnit.configure(exclude: [pending: true])
 ExUnit.start()
 
+Code.require_file "partition_helpers.exs", __DIR__
+
 defmodule CouchTestCase do
   use ExUnit.Case
 
@@ -31,6 +33,11 @@ defmodule CouchTestCase do
             context
             |> Map.put(:db_name, random_db_name(db_name))
             |> Map.put(:with_db, true)
+          %{:with_partitioned_db => true} ->
+            context
+            |> Map.put(:db_name, random_db_name())
+            |> Map.put(:query, %{partitioned: true})
+            |> Map.put(:with_db, true)
           %{:with_db => true} ->
             Map.put(context, :db_name, random_db_name())
           %{:with_db => db_name} when is_binary(db_name) ->
@@ -40,7 +47,7 @@ defmodule CouchTestCase do
         end
 
         if Map.has_key? context, :with_db do
-          {:ok, _} = create_db(context[:db_name])
+          {:ok, _} = create_db(context[:db_name], query: context[:query])
           on_exit(fn -> delete_db(context[:db_name]) end)
         end
 
@@ -152,8 +159,8 @@ defmodule CouchTestCase do
         Map.put(user_doc, "_rev", resp.body["rev"])
       end
 
-      def create_db(db_name) do
-        resp = Couch.put("/#{db_name}")
+      def create_db(db_name, opts \\ []) do
+        resp = Couch.put("/#{db_name}", opts)
         assert resp.status_code == 201
         assert resp.body == %{"ok" => true}
         {:ok, resp}