From 1fbf9c9f7e9ffb1b15e4c2e352d85b1686674778 Mon Sep 17 00:00:00 2001
From: David Ballester Mena <david.ballester.mena@gmail.com>
Date: Thu, 8 Aug 2019 20:17:20 +0200
Subject: [PATCH] feat(text): remove multiple nodes as valid graph

---
 src/services/graph-grammar.js      |  6 +--
 src/services/graph-grammar.spec.js | 71 ------------------------------
 2 files changed, 3 insertions(+), 74 deletions(-)

diff --git a/src/services/graph-grammar.js b/src/services/graph-grammar.js
index 8c553fb..0ec1581 100644
--- a/src/services/graph-grammar.js
+++ b/src/services/graph-grammar.js
@@ -9,7 +9,7 @@ Grapher {
 
   path
       = partialPath+ node --partials
-      | node+ --nodes
+      | node --node
 
   partialPath = node link
 
@@ -82,8 +82,8 @@ class GraphGrammar {
           groups: groups.map(mapGroup).filter((item, index, groups) => groups.findIndex((candidate) => candidate.name === item.name) === index),
         };
       },
-      path_nodes: (nodes) => {
-        const entities = _flattenDeep(nodes.eval());
+      path_node: (node) => {
+        const entities = node.eval();
         return {
           nodes: entities.filter(({ type }) => type === 'node').map(mapNode),
           groups: entities
diff --git a/src/services/graph-grammar.spec.js b/src/services/graph-grammar.spec.js
index a3066a4..10b4b9e 100644
--- a/src/services/graph-grammar.spec.js
+++ b/src/services/graph-grammar.spec.js
@@ -28,11 +28,6 @@ describe('graph-grammar', () => {
       expect(matchResult.succeeded()).toBeTruthy();
     });
 
-    it('matches multiple nodes', () => {
-      const matchResult = graphGrammar.match('(foo)(bar)(baz)');
-      expect(matchResult.succeeded()).toBeTruthy();
-    });
-
     it('matches simple paths', () => {
       const matchResult = graphGrammar.match('(foo)->(bar)');
       expect(matchResult.succeeded()).toBeTruthy();
@@ -106,24 +101,6 @@ describe('graph-grammar', () => {
       });
     });
 
-    it('turns multiple nodes into an object with a multiple nodes', () => {
-      const result = graphGrammar.eval(graphGrammar.match('(foo)(bar)(baz)'));
-      expect(result).toEqual({
-        nodes: [
-          {
-            id: 'foo',
-          },
-          {
-            id: 'bar',
-          },
-          {
-            id: 'baz',
-          },
-        ],
-        groups: [],
-      });
-    });
-
     it('creates a link with the specified label', () => {
       const result = graphGrammar.eval(graphGrammar.match('(foo)-[baz]->(bar)'));
       expect(result.links).toEqual([
@@ -275,54 +252,6 @@ describe('graph-grammar', () => {
       });
     });
 
-    it('turns two nodes with repeated groups into a node and non-repeated groups', () => {
-      const result = graphGrammar.eval(graphGrammar.match('(foo:bar:baz)(qux:bar:quux)'));
-      expect(result).toEqual({
-        nodes: [
-          {
-            id: 'foo',
-            groups: [
-              {
-                id: expect.anything(),
-                name: 'bar',
-              },
-              {
-                id: expect.anything(),
-                name: 'baz',
-              },
-            ],
-          },
-          {
-            id: 'qux',
-            groups: [
-              {
-                id: expect.anything(),
-                name: 'bar',
-              },
-              {
-                id: expect.anything(),
-                name: 'quux',
-              },
-            ],
-          },
-        ],
-        groups: [
-          {
-            id: expect.anything(),
-            name: 'bar',
-          },
-          {
-            id: expect.anything(),
-            name: 'baz',
-          },
-          {
-            id: expect.anything(),
-            name: 'quux',
-          },
-        ],
-      });
-    });
-
     it('turns a simple path with groups into those nodes, link and groups', () => {
       const result = graphGrammar.eval(graphGrammar.match('(foo)-[:qux]->(bar)'));
       expect(result).toEqual({