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defmodule ViewMultiKeyDesignTest do
use CouchTestCase
@moduletag :view_multi_key_design
@moduletag kind: :single_node
@keys [10, 15, 30, 37, 50]
@ddoc %{
_id: "_design/test",
language: "javascript",
views: %{
all_docs: %{
map: "function(doc) { emit(doc.integer, doc.string) }"
},
multi_emit: %{
map: "function(doc) {for(var i = 0 ; i < 3 ; i++) { emit(i, doc.integer) ; } }"
},
summate: %{
map: "function (doc) {emit(doc.integer, doc.integer)};",
reduce: "function (keys, values) { return sum(values); };"
}
}
}
setup_all do
db_name = random_db_name()
{:ok, _} = create_db(db_name)
on_exit(fn -> delete_db(db_name) end)
bulk_save(db_name, make_docs(0..99))
{:ok, _} = create_doc(db_name, @ddoc)
{:ok, [db_name: db_name]}
end
test "that missing keys work too", context do
db_name = context[:db_name]
keys = [101, 30, 15, 37, 50]
resp = view(db_name, "test/summate", [group: true], keys)
rows = resp.body["rows"]
assert length(rows) == length(keys) - 1
assert Enum.all?(rows, &Enum.member?(keys, &1["key"]))
assert Enum.all?(rows, &(&1["key"] == &1["value"]))
end
test "keys in POST body", context do
db_name = context[:db_name]
resp = view(db_name, "test/all_docs", nil, @keys)
rows = resp.body["rows"]
assert length(rows) == length(@keys)
assert Enum.all?(rows, &Enum.member?(@keys, &1["key"]))
assert Enum.all?(rows, &(&1["key"] == String.to_integer(&1["value"])))
end
test "keys in GET parameters", context do
db_name = context[:db_name]
resp = view(db_name, "test/all_docs", keys: :jiffy.encode(@keys))
rows = resp.body["rows"]
assert length(rows) == length(@keys)
assert Enum.all?(rows, &Enum.member?(@keys, &1["key"]))
assert Enum.all?(rows, &(&1["key"] == String.to_integer(&1["value"])))
end
test "empty keys", context do
db_name = context[:db_name]
resp = view(db_name, "test/all_docs", keys: :jiffy.encode([]))
assert resp.status_code == 200
rows = resp.body["rows"]
assert Enum.empty?(rows)
end
test "keys in POST body (group)", context do
db_name = context[:db_name]
resp = view(db_name, "test/summate", [group: true], @keys)
rows = resp.body["rows"]
assert length(rows) == length(@keys)
assert Enum.all?(rows, &Enum.member?(@keys, &1["key"]))
assert Enum.all?(rows, &(&1["key"] == &1["value"]))
end
test "keys in GET body (group)", context do
db_name = context[:db_name]
resp = view(db_name, "test/summate", group: true, keys: :jiffy.encode(@keys))
rows = resp.body["rows"]
assert length(rows) == length(@keys)
assert Enum.all?(rows, &Enum.member?(@keys, &1["key"]))
assert Enum.all?(rows, &(&1["key"] == &1["value"]))
end
test "POST - invalid parameter combinations get rejected ", context do
db_name = context[:db_name]
badargs = [[startkey: 0], [endkey: 0], [key: 0], [group_level: 2]]
Enum.each(badargs, fn args ->
resp =
Couch.post("/#{db_name}/_design/test/_view/all_docs",
query: args,
body: %{"keys" => @keys}
)
assert resp.status_code == 400
assert resp.body["error"] == "query_parse_error"
end)
resp =
Couch.post("/#{db_name}/_design/test/_view/summate",
query: nil,
body: %{"keys" => @keys}
)
assert resp.status_code == 400
assert resp.body["error"] == "query_parse_error"
end
test "GET - invalid parameter combinations get rejected ", context do
db_name = context[:db_name]
badargs = [
[startkey: 0, keys: :jiffy.encode(@keys)],
[endkey: 0, keys: :jiffy.encode(@keys)],
[key: 0, keys: :jiffy.encode(@keys)],
[group_level: 2, keys: :jiffy.encode(@keys)]
]
Enum.each(badargs, fn args ->
resp =
Couch.get("/#{db_name}/_design/test/_view/all_docs",
query: args
)
assert resp.status_code == 400
assert resp.body["error"] == "query_parse_error"
end)
resp =
Couch.get("/#{db_name}/_design/test/_view/summate",
query: [keys: :jiffy.encode(@keys)],
body: %{"keys" => @keys}
)
assert resp.status_code == 400
assert resp.body["error"] == "query_parse_error"
end
test "that a map & reduce containing func support keys when reduce=false", context do
db_name = context[:db_name]
resp = view(db_name, "test/summate", [reduce: false], @keys)
assert length(resp.body["rows"]) == 5
resp = view(db_name, "test/summate", reduce: false, keys: :jiffy.encode(@keys))
assert length(resp.body["rows"]) == 5
end
test "that limiting by startkey_docid and endkey_docid get applied", context do
db_name = context[:db_name]
exp_key = [0, 0, 0, 2, 2, 2]
exp_val = [21, 22, 23, 21, 22, 23]
resp =
view(db_name, "test/multi_emit", [startkey_docid: 21, endkey_docid: 23], [0, 2])
rows = resp.body["rows"]
rows_key = Enum.map(rows, & &1["key"])
assert rows_key == exp_key
rows_value = Enum.map(rows, & &1["value"])
assert rows_value == exp_val
resp =
view(db_name, "test/multi_emit",
startkey_docid: 21,
endkey_docid: 23,
keys: :jiffy.encode([0, 2])
)
rows = resp.body["rows"]
rows_key = Enum.map(rows, & &1["key"])
assert rows_key == exp_key
rows_value = Enum.map(rows, & &1["value"])
assert rows_value == exp_val
end
test "limit works", context do
db_name = context[:db_name]
resp = view(db_name, "test/all_docs", [limit: 1], @keys)
rows = resp.body["rows"]
assert length(rows) == 1
assert Enum.at(rows, 0)["key"] == 10
resp = view(db_name, "test/all_docs", limit: 1, keys: :jiffy.encode(@keys))
rows = resp.body["rows"]
assert length(rows) == 1
assert Enum.at(rows, 0)["key"] == 10
end
test "offset works", context do
db_name = context[:db_name]
resp = view(db_name, "test/multi_emit", [skip: 1], [0])
rows = resp.body["rows"]
assert length(rows) == 99
resp = view(db_name, "test/multi_emit", skip: 1, keys: :jiffy.encode([0]))
rows = resp.body["rows"]
assert length(rows) == 99
end
test "dir works", context do
db_name = context[:db_name]
resp = view(db_name, "test/multi_emit", [descending: true], [1])
rows = resp.body["rows"]
assert length(rows) == 100
resp = view(db_name, "test/multi_emit", descending: true, keys: :jiffy.encode([1]))
rows = resp.body["rows"]
assert length(rows) == 100
end
test "argument combinations", context do
db_name = context[:db_name]
resp = view(db_name, "test/multi_emit", [descending: true, skip: 3, limit: 2], [2])
rows = resp.body["rows"]
assert length(rows) == 2
resp =
view(db_name, "test/multi_emit",
descending: true,
skip: 3,
limit: 2,
keys: :jiffy.encode([2])
)
rows = resp.body["rows"]
assert length(rows) == 2
resp =
view(db_name, "test/multi_emit", [skip: 0, limit: 1, startkey_docid: "13"], [0])
rows = resp.body["rows"]
assert length(rows) == 1
assert Enum.at(rows, 0)["value"] == 13
resp =
view(db_name, "test/multi_emit", [skip: 2, limit: 3, startkey_docid: "13"], [0])
rows = resp.body["rows"]
assert length(rows) == 3
resp =
view(db_name, "test/multi_emit",
skip: 2,
limit: 3,
startkey_docid: "13",
keys: :jiffy.encode([0])
)
rows = resp.body["rows"]
assert length(rows) == 3
resp =
view(
db_name,
"test/multi_emit",
[skip: 1, limit: 5, startkey_docid: "25", endkey_docid: "27"],
[1]
)
rows = resp.body["rows"]
assert length(rows) == 2
assert Enum.at(rows, 0)["value"] == 26 or assert(Enum.at(rows, 0)["value"] == 27)
resp =
view(db_name, "test/multi_emit",
skip: 1,
limit: 5,
startkey_docid: "25",
endkey_docid: "27",
keys: :jiffy.encode([1])
)
rows = resp.body["rows"]
assert length(rows) == 2
assert Enum.at(rows, 0)["value"] == 26 or assert(Enum.at(rows, 0)["value"] == 27)
resp =
view(
db_name,
"test/multi_emit",
[skip: 1, limit: 5, startkey_docid: "28", endkey_docid: "26", descending: true],
[1]
)
rows = resp.body["rows"]
assert length(rows) == 2
assert Enum.at(rows, 0)["value"] == 26 or assert(Enum.at(rows, 0)["value"] == 27)
resp =
view(db_name, "test/multi_emit",
skip: 1,
limit: 5,
startkey_docid: "28",
endkey_docid: "26",
descending: true,
keys: :jiffy.encode([1])
)
rows = resp.body["rows"]
assert length(rows) == 2
end
end
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