up

abicoder/test/helper.rb

@@ -11,6 +11,9 @@ def hexdigest() self.unpack('H*').first; end
 end
 
 def hex( hex )  # convert hex(adecimal) string  to binary string
+  ## note: strip all whitespaces
+  hex = hex.gsub( /[ \t\n\r]/, '' )
+
  if ['0x', '0X'].include?( hex[0,2] )   ## cut-of leading 0x or 0X if present
    [hex[2..-1]].pack('H*')
  else
@@ -19,6 +22,15 @@ def hex( hex )  # convert hex(adecimal) string  to binary string
 end
 
 
+require 'yaml'
+
+def read_yml( path )
+   txt = File.open( path, 'r:utf-8' ) { |f| f.read }
+   YAML.load( txt )
+end
+
+
+
 
 ## our own code
 require 'abicoder'

abicoder/test/test_abi.rb

@@ -22,7 +22,7 @@ def encode_int8( arg )      encode_int( arg, 8 ); end
 def encode_bytes( arg, length=nil ) ABI.encoder.encode_bytes( arg, length ); end
 def encode_address( arg )    ABI.encoder.encode_address( arg ); end
 
-BYTE_ZERO = "\x00".b
+BYTE_ZERO = "\x00".b.freeze
 
 def zpad( bin )    ## note: same as builtin String#rjust !!!
   l=32

abicoder/test/test_fixtures.rb

@@ -0,0 +1,51 @@
+##
+#  to run use
+#     ruby -I ./lib -I ./test test/test_fixtures.rb
+
+
+require 'helper'
+
+
+
+
+class TestFixtures < MiniTest::Test
+
+def assert_bin( exp, bin )   ## note: always check for BINARY encoding too
+    assert bin.encoding == Encoding::BINARY
+    assert_equal exp, bin
+end
+
+
+
+def test_basic
+
+   tests = read_yml( '../test/abicoder/basic.yml' )
+   puts "  #{tests.size} test(s) in /test/abicoder/basic.yml"
+   pp tests
+
+    tests.each do |test|
+         types = test['types']
+         args  = test['args']
+         hex   = test['data']
+
+=begin
+         ## quick hack for  bytes / bytes10 etc.
+         ##   change encoding to BINARAY / ASCII_8BIT
+         ##     not really possible with yaml fixtures
+         args = types.zip(args).map do |(type,arg)|
+                           arg = arg.b   if ['bytes', 'bytes10'].include?( type )
+                           arg
+                         end
+=end
+         if hex
+           data  = hex( hex )  ## convert hex string to binary string
+           assert_bin data,    ABI.encode( types, args )
+           assert_equal args,  ABI.decode( types, data )
+         end
+         assert_equal args, ABI.decode( types, ABI.encode( types, args ))
+    end
+end
+
+
+end  ## class TestFixtures
+