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defmodule ReduceFalseTest do
use CouchTestCase
@moduletag :views
@moduledoc """
Test CouchDB view without reduces
This is a port of the reduce_false.js suite
"""
def summate(n) do
(n + 1) * n / 2
end
@tag :with_db
test "Basic reduce functions", context do
db_name = context[:db_name]
view_url = "/#{db_name}/_design/foo/_view/summate"
num_docs = 5
map = ~s"""
function (doc) {
emit(doc.integer, doc.integer);
};
"""
reduce = "function (keys, values) { return sum(values); };"
red_doc = %{:views => %{:summate => %{:map => map, :reduce => reduce}}}
assert Couch.put("/#{db_name}/_design/foo", body: red_doc).body["ok"]
docs = make_docs(1..num_docs)
resp = Couch.post("/#{db_name}/_bulk_docs", body: %{:docs => docs}, query: %{w: 3})
assert resp.status_code in [201, 202]
# Test that the reduce works
rows = Couch.get(view_url).body["rows"]
assert length(rows) == 1
assert hd(rows)["value"] == summate(num_docs)
# Test that we got our docs back
rows = Couch.get(view_url, query: %{reduce: false}).body["rows"]
assert length(rows) == 5
rows
|> Enum.with_index(1)
|> Enum.each(fn {row, i} ->
assert i == row["value"]
end)
end
end
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