walkmap/test/cc/journeyman/walkmap/stl_test.clj

97 lines
4.6 KiB
Clojure

(ns cc.journeyman.walkmap.stl-test
(:require [clojure.test :refer :all]
[cc.journeyman.walkmap.stl :refer [canonicalise stl?]]
[cc.journeyman.walkmap.polygon :refer [polygon?]]
[cc.journeyman.walkmap.vertex :refer [vertex?]]))
(deftest canonicalise-test
(testing "Canonicalisation of objects read from STL: vertices."
(is (vertex? (canonicalise {:x 3.0, :y 1.0, :z 1.0}))
"Vertex: should have an `:walkmap.id/id` and `:kind` = `:vertex`.")
(is (= (:x (canonicalise {:x 3.0, :y 1.0, :z 1.0})) 3.0)
"`:x` value should be unchanged.")
(is (= (:y (canonicalise {:x 3.0, :y 1.0, :z 1.0})) 1.0)
"`:y` value should be unchanged.")
(is (= (:z (canonicalise {:x 3.0, :y 1.0, :z 1.0})) 1.0)
"`:z` value should be unchanged.")
(is (every?
vertex?
(canonicalise [{:x 3.0, :y 1.0, :z 1.0}
{:x 2.0, :y 3.0, :z 1.0}
{:x 0.0, :y 0.0, :z 1.0}]))
"Vertices: should recurse."))
(testing "Canonicalisation of objects read from STL: facets/polygons."
(let [p {:normal {:x -0.0, :y 0.0, :z 1.0},
:vertices [{:x 3.0, :y 1.0, :z 1.0}
{:x 2.0, :y 3.0, :z 1.0}
{:x 0.0, :y 0.0, :z 1.0}],
:abc 0}
p' (canonicalise p)]
(is (polygon? p')
"Polygon: should have an `:walkmap.id/id` and `:kind` = `:polygon`.")
(is (= (count (:vertices p)) (count (:vertices p')))
"Number of vertices should not change")
(map
#(is (= (map % (:vertices p))(map % (:vertices p')))
(str "Order of vertices should not change: " %))
[:x :y :z]))
(is (every?
polygon?
(canonicalise
[{:normal {:x -0.0, :y 0.0, :z 1.0},
:vertices [{:x 3.0, :y 1.0, :z 1.0}
{:x 2.0, :y 3.0, :z 1.0}
{:x 0.0, :y 0.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 10.0, :y 4.0, :z 1.0}
{:x 22.0, :y 3.0, :z 1.0}
{:x 13.0, :y 5.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 26.0, :y 46.0, :z 1.0}
{:x 29.0, :y 49.0, :z 1.0}
{:x 31.0, :y 61.0, :z 1.0}],
:abc 0}
{:normal {:x -0.0, :y 0.0, :z 1.0},
:vertices [{:x 16.0, :y 33.0, :z 1.0}
{:x 15.0, :y 35.0, :z 1.0}
{:x 13.0, :y 32.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 81.0, :y 0.0, :z 1.0}
{:x 54.0, :y 27.0, :z 1.0}
{:x 51.0, :y 20.0, :z 1.0}],
:abc 0}]))
"Facets/polygons: should recurse."))
(testing "Canonicalisation of entire STL structure."
(let [stl {:header "Dummy test STL",
:count 5,
:facets [{:normal {:x -0.0, :y 0.0, :z 1.0},
:vertices [{:x 3.0, :y 1.0, :z 1.0}
{:x 2.0, :y 3.0, :z 1.0}
{:x 0.0, :y 0.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 10.0, :y 4.0, :z 1.0}
{:x 22.0, :y 3.0, :z 1.0}
{:x 13.0, :y 5.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 26.0, :y 46.0, :z 1.0}
{:x 29.0, :y 49.0, :z 1.0}
{:x 31.0, :y 61.0, :z 1.0}],
:abc 0}
{:normal {:x -0.0, :y 0.0, :z 1.0},
:vertices [{:x 16.0, :y 33.0, :z 1.0}
{:x 15.0, :y 35.0, :z 1.0}
{:x 13.0, :y 32.0, :z 1.0}],
:abc 0}
{:normal {:x 0.0, :y 0.0, :z 1.0},
:vertices [{:x 81.0, :y 0.0, :z 1.0}
{:x 54.0, :y 27.0, :z 1.0}
{:x 51.0, :y 20.0, :z 1.0}],
:abc 0}]}
stl' (canonicalise stl)]
(is (stl? stl') "Stl: should have an `:walkmap.id/id` and `:kind` = `:stl`."))))