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unit tests

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Motiejus Jakštys 2021-05-19 22:57:45 +03:00 committed by Motiejus Jakštys
parent a63a6c51a9
commit 395d8a87f6
1 changed files with 9 additions and 2 deletions
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11
tests.sql
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@ -15,7 +15,7 @@ drop table if exists figures;
create table figures (name text, way geometry);
insert into figures (name, way) values ('fig3',ST_GeomFromText('LINESTRING(0 0,12 0,13 4,20 2,20 0,32 0,33 10,38 16,43 15,44 10,44 0,60 0)'));
insert into figures (name, way) values ('fig3-1',ST_GeomFromText('LINESTRING(0 0,12 0,13 4,20 2,20 0,32 0,33 10,38 16,43 15,44 10,44 0)'));
insert into figures (name, way) values ('fig5',ST_GeomFromText('LINESTRING(0 39,19 52,27 77,26 104,41 115,49 115,65 103,65 75,53 45,63 15,91 0,91 0)'));
insert into figures (name, way) values ('fig5',ST_GeomFromText('LINESTRING(0 39,19 52,27 77,26 104,41 115,49 115,65 103,65 75,53 45,63 15,91 0)'));
insert into figures (name, way) values ('inflection-1',ST_GeomFromText('LINESTRING(110 24,114 20,133 20,145 15,145 0,136 5,123 7,114 7,111 2)'));
-- tables are for manual inspection using, say, qgis
@ -53,9 +53,16 @@ declare
vbends geometry[];
vinflections geometry[];
begin
-- fig5
select detect_bends((select way from figures where name='fig5')) into vbends;
select fix_gentle_inflections(vbends) into vinflections;
perform assert_equals('LINESTRING(0 39,19 52,27 77)', st_astext(vinflections[1]));
perform assert_equals('LINESTRING(19 52,27 77,26 104,41 115,49 115,65 103,65 75,53 45)', st_astext(vinflections[2]));
perform assert_equals('LINESTRING(65 75,53 45,63 15,91 0)', st_astext(vinflections[3]));
-- inflections-1, the example in fix_gentle_inflections docstring
select detect_bends((select way from figures where name='inflection-1')) into vbends;
select fix_gentle_inflections(vbends) into vinflections;
perform assert_equals(vbends[1], vinflections[1]); -- unchanged
perform assert_equals('LINESTRING(114 20,133 20,145 15,145 0,136 5,123 7,114 7)', st_astext(vinflections[2]));
perform assert_equals('LINESTRING(123 7,114 7,111 2)', st_astext(vinflections[3]));