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#!/usr/bin/env escript
%% -*- erlang -*-
% 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.
main(_) ->
test_util:init_code_path(),
etap:plan(12),
case (catch test()) of
ok ->
etap:end_tests();
Other ->
etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
etap:bail(Other)
end,
ok.
test() ->
One = {0, {"1","foo",[]}},
TwoSibs = [{0, {"1","foo",[]}},
{0, {"2","foo",[]}}],
OneChild = {0, {"1","foo",[{"1a", "bar", []}]}},
TwoChild = {0, {"1","foo", [{"1a", "bar", [{"1aa", "bar", []}]}]}},
TwoChildSibs = {0, {"1","foo", [{"1a", "bar", []},
{"1b", "bar", []}]}},
TwoChildSibs2 = {0, {"1","foo", [{"1a", "bar", []},
{"1b", "bar", [{"1bb", "boo", []}]}]}},
Stemmed1b = {1, {"1a", "bar", []}},
Stemmed1a = {1, {"1a", "bar", [{"1aa", "bar", []}]}},
Stemmed1aa = {2, {"1aa", "bar", []}},
Stemmed1bb = {2, {"1bb", "boo", []}},
etap:is(
{[One], no_conflicts},
couch_key_tree:merge([], One, 10),
"The empty tree is the identity for merge."
),
etap:is(
{TwoSibs, no_conflicts},
couch_key_tree:merge(TwoSibs, One, 10),
"Merging a prefix of a tree with the tree yields the tree."
),
etap:is(
{[One], no_conflicts},
couch_key_tree:merge([One], One, 10),
"Merging is reflexive."
),
etap:is(
{[TwoChild], no_conflicts},
couch_key_tree:merge([TwoChild], TwoChild, 10),
"Merging two children is still reflexive."
),
etap:is(
{[TwoChildSibs], no_conflicts},
couch_key_tree:merge([TwoChildSibs], TwoChildSibs, 10),
"Merging a tree to itself is itself."),
etap:is(
{[TwoChildSibs], no_conflicts},
couch_key_tree:merge([TwoChildSibs], Stemmed1b, 10),
"Merging a tree with a stem."
),
etap:is(
{[TwoChildSibs2], no_conflicts},
couch_key_tree:merge([TwoChildSibs2], Stemmed1bb, 10),
"Merging a stem at a deeper level."
),
etap:is(
{[TwoChild], no_conflicts},
couch_key_tree:merge([TwoChild], Stemmed1aa, 10),
"Merging a single tree with a deeper stem."
),
etap:is(
{[TwoChild], no_conflicts},
couch_key_tree:merge([TwoChild], Stemmed1a, 10),
"Merging a larger stem."
),
etap:is(
{[Stemmed1a], no_conflicts},
couch_key_tree:merge([Stemmed1a], Stemmed1aa, 10),
"More merging."
),
Expect1 = [OneChild, Stemmed1aa],
etap:is(
{Expect1, conflicts},
couch_key_tree:merge([OneChild], Stemmed1aa, 10),
"Merging should create conflicts."
),
etap:is(
{[TwoChild], no_conflicts},
couch_key_tree:merge(Expect1, TwoChild, 10),
"Merge should have no conflicts."
),
ok.
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