fix map2table (#168)

I think this should work though bahla never got around to it

Author: skothari-tibco

operations/restructuring/map2table/operation.go

@@ -31,8 +31,9 @@ func (a *Operation) Eval(inputs map[string]interface{}) (interface{}, error) {
 	a.logger.Debug("The inputs of Operation Map to Table.", inputs)
 	for _, ord := range in.ColOrder {
 		if val, ok := in.Map[ord.(string)]; ok {
-			ValLen = len(val.([]interface{}))
-			givenType, _ = data.GetType(val.([]interface{})[0])
+			valArr, _ := coerce.ToArray(val)
+			ValLen = len(valArr)
+			givenType, _ = data.GetType(valArr[0])
 			break
 		}
 	}

operations/restructuring/map2table/operation_test.go

@@ -1,17 +1,20 @@
 package map2table
+
 import (
-	"github.com/project-flogo/core/support/log"
 	"testing"
 
+	"github.com/project-flogo/core/support/log"
+
 	"github.com/stretchr/testify/assert"
 )
+
 func TestSample0(t *testing.T) {
 	//params := Params{}
-	opt := &Operation{logger : log.RootLogger(), params :&Params{Axis: 0}}
+	opt := &Operation{logger: log.RootLogger(), params: &Params{Axis: 0}}
 	var err error
 	inputs := make(map[string]interface{})
-	inputs["colOrder"] = []string{"a","b","c","d"}
-	inputs["map"] = map[string]interface{}{"a":[]interface{}{1,2,4}, "b":[]interface{}{3,5,6}, "c":[]interface{}{7,8,9}}	
+	inputs["colOrder"] = []string{"a", "b", "c", "d"}
+	inputs["map"] = map[string]interface{}{"a": []interface{}{1, 2, 4}, "b": []interface{}{3, 5, 6}, "c": []interface{}{7, 8, 9}}
 
 	_, err = opt.Eval(inputs)
 
@@ -20,11 +23,11 @@ func TestSample0(t *testing.T) {
 }
 func TestSample1(t *testing.T) {
 	//params := Params{}
-	opt := &Operation{logger : log.RootLogger(), params :&Params{Axis: 1}}
+	opt := &Operation{logger: log.RootLogger(), params: &Params{Axis: 1}}
 	var err error
 	inputs := make(map[string]interface{})
-	inputs["colOrder"] = []string{"x","a","b","c","d"}
-	inputs["map"] = map[string]interface{}{"a":[]interface{}{1,2,4}, "b":[]interface{}{3,5,6}, "c":[]interface{}{7,8,9}}	
+	inputs["colOrder"] = []string{"x", "a", "b", "c", "d"}
+	inputs["map"] = map[string]interface{}{"a": []interface{}{1, 2, 4}, "b": []interface{}{3, 5, 6}, "c": []interface{}{7, 8, 9}}
 
 	_, err = opt.Eval(inputs)
 
@@ -34,14 +37,27 @@ func TestSample1(t *testing.T) {
 
 func TestSampleString(t *testing.T) {
 	//params := Params{}
-	opt := &Operation{logger : log.RootLogger(), params :&Params{Axis: 1}}
+	opt := &Operation{logger: log.RootLogger(), params: &Params{Axis: 1}}
 	var err error
 	inputs := make(map[string]interface{})
-	inputs["colOrder"] = []string{"x","a","b","c","d"}
-	inputs["map"] = map[string]interface{}{"a":[]interface{}{"a","b","c"}, "b":[]interface{}{"d","e","f"}, "c":[]interface{}{"g","h","k"}}	
+	inputs["colOrder"] = []string{"x", "a", "b", "c", "d"}
+	inputs["map"] = map[string]interface{}{"a": []interface{}{"a", "b", "c"}, "b": []interface{}{"d", "e", "f"}, "c": []interface{}{"g", "h", "k"}}
 
 	_, err = opt.Eval(inputs)
 
 	assert.Nil(t, err)
 
-}
+}
+func TestSingleInt(t *testing.T) {
+	//params := Params{}
+	opt := &Operation{logger: log.RootLogger(), params: &Params{Axis: 1}}
+	var err error
+	inputs := make(map[string]interface{})
+	inputs["colOrder"] = []string{"x", "a", "b", "c", "d"}
+	inputs["map"] = map[string]interface{}{"a": 1}
+
+	_, err = opt.Eval(inputs)
+
+	assert.Nil(t, err)
+
+}