Unit test warpable code

app/models/warpable.rb

@@ -63,14 +63,6 @@ def placed?
     !self.width.nil? && self.nodes != ''
   end
 
-  ########################################################
-  # this is for migration to paperclip only; remove later!
-  # Returns true/false if an attachment is thumbnailable.  A thumbnailable attachment has an image content type and the parent_id attribute.
-  def thumbnailable?
-    !self.image.nil? && self.parent_id.nil?
-  end
-  ########################################################
-
   def poly_area
     area = 0
     nodes = self.nodes_array

test/fixtures/nodes.yml

@@ -1,7 +1,58 @@
 # Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
 
-# one:
-#   column: value
-#
-# two:
-#   column: value
+one:
+  id: 1
+  color: "black"
+  author: "anonymous"
+  lat: 41.8403113680142
+  lon: -71.3983854668186
+  way_id: 0
+  order: 0
+  name: ""
+  description: ""
+  map_id: 1
+  way_order: 0
+  body: nil
+
+two:
+  id: 2
+  color: "black"
+  author: "anonymous"
+  lat: 41.8397358653566
+  lon: -71.3916477577732
+  way_id: 0
+  order: 0
+  name: ""
+  description: ""
+  map_id: 1
+  way_order: 0
+  body: nil
+
+three:
+  id: 3
+  color: "black"
+  author: "anonymous"
+  lat: 41.8351476451765
+  lon: -71.392699183707
+  way_id: 0
+  order: 0
+  name: ""
+  description: ""
+  map_id: 1
+  way_order: 0
+  body: nil
+
+four:
+  id: 4
+  color: "black"
+  author: "anonymous"
+  lat: 41.8377535388085
+  lon: -71.3981708900974
+  way_id: 0
+  order: 0
+  name: ""
+  description: ""
+  map_id: 1
+  way_order: 0
+  body: nil
+

test/fixtures/warpables.yml

@@ -1,7 +1,18 @@
 # Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
 
-# one:
-#   column: value
-#
-# two:
-#   column: value
+one:
+  id: 1
+  parent_id: nil
+  image_content_type: "image/png"
+  image_file_name: "demo.png"
+  thumbnail: nil
+  image_file_size: 574286
+  width: 756
+  height: 392
+  history: ''
+  map_id: 1
+  nodes: "1,2,3,4"
+  locked: false
+  deleted: false
+  cm_per_pixel: 99.86133660017036> 
+

test/unit/warpable_test.rb

@@ -0,0 +1,39 @@
+require 'test_helper'
+
+class WarpableTest < ActiveSupport::TestCase
+  test "basics" do
+    w = warpables(:one)    
+    assert_not_nil w.as_json
+    assert_not_nil w.fup_json
+    assert_not_nil w.fup_error_json
+    assert_not_nil w.placed?
+    assert w.placed?
+    assert !Warpable.new.placed?
+    assert_not_nil w.poly_area
+    assert_not_nil w.get_cm_per_pixel
+
+    assert_not_nil Warpable.histogram_cm_per_pixel
+    assert_not_nil w.nodes
+    assert_not_nil w.nodes_array
+    assert_equal 4, w.nodes_array.length
+
+    # TODO: test with local image?
+    #assert_not_nil w.url()
+  end
+
+  test "try export" do
+    system('mkdir -p public/system/images/1/original')
+    system('cp test/fixtures/demo.png public/system/images/1/original/')
+    system('mkdir -p public/warps/saugus-landfill-incinerator')
+    system('touch public/warps/saugus-landfill-incinerator/folder')
+    assert File.exist?('public/warps/saugus-landfill-incinerator/folder')
+    w = warpables(:one)    
+    assert_not_nil w.save_dimensions
+    assert_not_nil w.generate_perspectival_distort(10, w.map.slug)
+    assert_not_nil w.delete_temp_files(w.map.slug)
+    assert_not_nil w.working_directory(w.map.slug)
+    assert_not_nil w.warps_directory(w.map.slug)
+    assert_not_nil w.user_id 
+    assert File.exist?('public/warps/saugus-landfill-incinerator/1-geo.tif')
+  end
+end