Correction d'un bug du méca sélection et les tests

source/engine/mecanisms.js

@@ -627,7 +627,7 @@ export let mecanismSelection = (recurse,k,v) => {
 			data = dataSource ? dataSource['data'] : null,
 			dataKey = explanation.nodeValue,
 			dataItems = (data && dataKey && dataSearchField) ? R.filter(item => item[dataSearchField] == dataKey, data) : null,
-			dataItemValues = dataItems ? R.values(dataItems) : null,
+			dataItemValues = (dataItems && !R.isEmpty(dataItems)) ? R.values(dataItems) : null,
 			// TODO - over-specific! transform the JSON instead
 			dataItemSubValues = dataItemValues && dataItemValues[0][dataTargetName] ? dataItemValues[0][dataTargetName]["taux"] : null,
 			sortedSubValues = dataItemSubValues ? R.sortBy(pair => pair[0], R.toPairs(dataItemSubValues)) : null,

source/webpack.test.config.js

@@ -27,6 +27,15 @@ module.exports = {
 			exclude: /node_modules/,
 			loader: 'babel-loader'
 		},
+		{
+			test: /\.csv$/,
+			loader: 'csv-loader',
+			options: {
+				dynamicTyping: true,
+				header: true,
+				skipEmptyLines: true
+			}
+		},
 		{ //slow : ~ 3 seconds
 			test: /\.(jpe?g|png|gif|svg)$/i,
 			loader: 'ignore-loader'

test/traverse.test.js

@@ -258,4 +258,22 @@ describe('analyseSituation with mecanisms', function() {
     expect(analyseSituation(rules,"startHere")(stateSelector)).to.have.property('nodeValue',0.02)
   });
 
+  it('should handle failed selections', function() {
+    let stateSelector = (name) => ({"top . code postal":"3"})[name]
+    let data = {taux_versement_transport: {xyz: {codePostal:1, aot: {taux: {"2019":"1.0"}}}, abc: {codePostal:2, smt: {taux: {"2019":"2.0"}}}}}
+    let rawRules = [
+          { espace: "top",
+            nom: "startHere",
+            formule: {"sélection": {
+              données: "startHere",
+              cherche: "code postal",
+              dans: "codePostal",
+              renvoie: "smt"
+            }},
+            données: 'taux_versement_transport'},
+          {espace: "top", nom: "code postal", format: "nombre"}],
+        rules = rawRules.map(rule => enrichRule(rule,data))
+    expect(analyseSituation(rules,"startHere")(stateSelector)).to.have.property('nodeValue', 0)
+  });
+
 });