Merge pull request #804 from LiskHQ/456-unit-test-for-signature-trans…

…action

Unit test for signature transaction - Subtask #456 - Closes #827

logic/signature.js

@@ -201,7 +201,7 @@ Signature.prototype.objectNormalize = function (trs) {
 	var report = library.schema.validate(trs.asset.signature, Signature.prototype.schema);
 
 	if (!report) {
-		throw 'Failed to validate signature schema: ' + this.scope.schema.getLastErrors().map(function (err) {
+		throw 'Failed to validate signature schema: ' + library.schema.getLastErrors().map(function (err) {
 			return err.message;
 		}).join(', ');
 	}

test/common/typesRepresentatives.js

@@ -104,12 +104,7 @@ var others = [
 	}
 ];
 
-var strings = [
-	{
-		input: '',
-		description: 'empty string',
-		expectation: 'string'
-	},
+var nonEmptyStrings = [
 	{
 		input: '0',
 		description: '0 as string',
@@ -147,6 +142,16 @@ var strings = [
 	}
 ];
 
+var emptyString = [
+	{
+		input: '',
+		description: 'empty string',
+		expectation: 'string'
+	}
+];
+
+var strings = nonEmptyStrings.concat(emptyString);
+
 var allTypes = arrays
 	.concat(booleans)
 	.concat(positiveIntegers)
@@ -167,5 +172,7 @@ module.exports = {
 	negativeNumbers: negativeNumbers,
 	objects: objects,
 	others: others,
-	strings: strings
+	strings: strings,
+	nonEmptyStrings: nonEmptyStrings,
+	emptyString: emptyString
 };

test/unit/index.js

@@ -20,6 +20,7 @@ require('./logic/peers');
 require('./logic/multisignature');
 require('./logic/transaction');
 require('./logic/transfer');
+require('./logic/signature.js');
 require('./logic/vote');
 
 require('./modules/blocks/process');