<s> from __future__ import division , print_function , unicode_literals <EOL> import pytest <EOL> from brainstorm . structure . construction import ( ConstructionWrapper , <EOL> NetworkValidationError ) <EOL> @ pytest . fixture <EOL> def layers ( ) : <EOL> return [ ConstructionWrapper . create ( '<STR_LIT>' ) for _ in range ( <NUM_LIT:5> ) ] <EOL> def test_constructor ( ) : <EOL> cl = ConstructionWrapper . create ( '<STR_LIT>' ) <EOL> assert cl . layer . layer_type == '<STR_LIT>' <EOL> assert repr ( cl ) == "<STR_LIT>" <EOL> def test_raises_on_invalid_layer_type ( ) : <EOL> with pytest . raises ( NetworkValidationError ) : <EOL> i = ConstructionWrapper . create ( '<STR_LIT>' ) <EOL> def test_raises_on_invalid_layer_name ( ) : <EOL> with pytest . raises ( NetworkValidationError ) : <EOL> i = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT>' ) <EOL> def test_connecting_two_layers_sets_sinks_and_sources ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 >> l3 <EOL> assert ( l1 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l2 . layer . incoming <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l3 . layer ) in l2 . layer . outgoing <EOL> def test_connect_multiple_targets ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 <EOL> _ = l1 >> l3 <EOL> _ = l1 >> l4 <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l3 . layer ) in l1 . layer . outgoing <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l4 . layer ) in l1 . layer . outgoing <EOL> def test_connect_multiple_sources ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l2 >> l1 <EOL> _ = l3 >> l1 <EOL> _ = l4 >> l1 <EOL> assert ( l2 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l1 . layer . incoming <EOL> assert ( l3 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l1 . layer . incoming <EOL> assert ( l4 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l1 . layer . incoming <EOL> def test_connect_named_output ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 - '<STR_LIT>' >> l3 <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( l1 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l2 . layer . incoming <EOL> assert ( l2 . layer , '<STR_LIT>' , '<STR_LIT:default>' ) in l3 . layer . incoming <EOL> assert ( '<STR_LIT>' , '<STR_LIT:default>' , l3 . layer ) in l2 . layer . outgoing <EOL> def test_connect_named_input ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> "<STR_LIT>" - l2 >> l3 <EOL> assert ( l1 . layer , '<STR_LIT:default>' , '<STR_LIT>' ) in l2 . layer . incoming <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l3 . layer ) in l2 . layer . outgoing <EOL> assert ( l2 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l3 . layer . incoming <EOL> def test_connect_named_output_to_name_input ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 - "<STR_LIT>" >> "<STR_LIT>" - l3 >> l4 <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( l1 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l2 . layer . incoming <EOL> assert ( '<STR_LIT>' , '<STR_LIT>' , l3 . layer ) in l2 . layer . outgoing <EOL> assert ( l2 . layer , '<STR_LIT>' , '<STR_LIT>' ) in l3 . layer . incoming <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT:default>' , l4 . layer ) in l3 . layer . outgoing <EOL> assert ( l3 . layer , '<STR_LIT:default>' , '<STR_LIT:default>' ) in l4 . layer . incoming <EOL> def test_connect_named_output_to_name_input_in_chain ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> "<STR_LIT>" - l2 - "<STR_LIT>" >> l3 <EOL> assert ( '<STR_LIT:default>' , '<STR_LIT>' , l2 . layer ) in l1 . layer . outgoing <EOL> assert ( l1 . layer , '<STR_LIT:default>' , '<STR_LIT>' ) in l2 . layer . incoming <EOL> assert ( '<STR_LIT>' , '<STR_LIT:default>' , l3 . layer ) in l2 . layer . outgoing <EOL> assert ( l2 . layer , '<STR_LIT>' , '<STR_LIT:default>' ) in l3 . layer . incoming <EOL> def test_collect_connected_layers ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 >> l3 >> l4 >> l5 <EOL> layer_set = { l . layer for l in layers } <EOL> assert l1 . layer . collect_connected_layers ( ) == layer_set <EOL> assert l5 . layer . collect_connected_layers ( ) == layer_set <EOL> def test_collect_connected_layers2 ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l1 >> l2 >> l3 >> l4 <EOL> _ = l1 >> l5 >> l4 <EOL> layer_set = { l . layer for l in layers } <EOL> assert l1 . layer . collect_connected_layers ( ) == layer_set <EOL> assert l4 . layer . collect_connected_layers ( ) == layer_set <EOL> assert l5 . layer . collect_connected_layers ( ) == layer_set <EOL> def test_name ( ) : <EOL> l = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT:bar>' ) <EOL> assert l . layer . name == '<STR_LIT:bar>' <EOL> def test_default_name ( ) : <EOL> l = ConstructionWrapper . create ( '<STR_LIT>' ) <EOL> assert l . layer . name == '<STR_LIT>' <EOL> def test_name_unconnected ( ) : <EOL> l1 = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT:bar>' ) <EOL> l2 = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT:bar>' ) <EOL> assert l1 . layer . name == '<STR_LIT:bar>' <EOL> assert l2 . layer . name == '<STR_LIT:bar>' <EOL> def test_name_connected ( ) : <EOL> l1 = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT:bar>' ) <EOL> l2 = ConstructionWrapper . create ( '<STR_LIT>' , name = '<STR_LIT:bar>' ) <EOL> _ = l1 >> l2 <EOL> assert l1 . layer . name == '<STR_LIT>' <EOL> assert l2 . layer . name == '<STR_LIT>' <EOL> def test_name_connected_complex ( layers ) : <EOL> l1 , l2 , l3 , l4 , l5 = layers <EOL> _ = l3 >> l4 <EOL> _ = l2 >> l1 <EOL> _ = l5 >> l2 >> l3 <EOL> assert l1 . layer . name == '<STR_LIT>' <EOL> assert l2 . layer . name == '<STR_LIT>' <EOL> assert l3 . layer . name == '<STR_LIT>' <EOL> assert l4 . layer . name == '<STR_LIT>' <EOL> assert l5 . layer . name == '<STR_LIT>' </s>
