GraphStream

test/Edge.ts

@@ -1,11 +1,11 @@
 import test from 'ava';
-import { Edge, Color, EdgeStyles } from '../lib';
+import { Edge, Color } from '../lib';
 
 test ('serialize', (t) => {
   const e = new Edge ('foo', 'bar', false);
 
   e.color = Color.white;
-  e.style = EdgeStyles.dashed;
+  e.style = 'dashed';
   const serialized = e.toString ();
 
   t.is (serialized, 'foo -- bar [style="dashed",color="#ffffff"]');
@@ -15,7 +15,7 @@ test ('serialize directional', (t) => {
   const e = new Edge ('foo', 'bar', true);
 
   e.color = Color.white;
-  e.style = EdgeStyles.dashed;
+  e.style = 'dashed';
   const serialized = e.toString ();
 
   t.is (serialized, 'foo -> bar [style="dashed",color="#ffffff"]');

test/Graph.ts

@@ -1,5 +1,5 @@
 import test from 'ava';
-import { Graph, GraphStyles, Color, NodeStyles, GraphLayouts } from '../lib';
+import { Graph, Color } from '../lib';
 
 const result = `digraph foo {
   subgraph cluster_foo_baz {
@@ -56,23 +56,23 @@ test ('serialize', (t) => {
     graph.add_node ('asd');
     graph.add_node ((n) => {
       n.name = 'test';
-      n.style = NodeStyles.bold;
+      n.style = 'bold';
       n.color = Color.gray;
     });
 
     // eslint-disable-next-line no-shadow
     graph.add_graph ((g) => {
-      g.style = GraphStyles.dotted;
+      g.style = 'dotted';
       g.color = Color.gray;
       g.name = 'nested';
 
       // eslint-disable-next-line no-shadow, max-nested-callbacks
       g.add_graph ((g) => {
-        g.style = GraphStyles.dotted;
+        g.style = 'dotted';
         g.color = Color.gray;
       });
     });
-    graph.style = GraphStyles.bold;
+    graph.style = 'bold';
     graph.color = Color.red;
   });
 
@@ -111,11 +111,11 @@ test ('non directional', (t) => {
 test ('attributes', (t) => {
   const g = new Graph ('attr');
 
-  g.layout = GraphLayouts.neato;
+  g.layout = 'neato';
   g.overlap = false;
   g.splines = true;
   g.color = Color.black;
-  g.style = GraphStyles.bold;
+  g.style = 'bold';
 
   t.is (g.toString (), attributes);
 });

test/Node.ts

@@ -1,5 +1,5 @@
 import test from 'ava';
-import { NodeStyles, Node, Color } from '../lib';
+import { Node, Color } from '../lib';
 
 const serialized_simple
 = 'bar_foo [label="baz", style="dashed", color="#00ff00"]';
@@ -13,7 +13,7 @@ test ('serialize simple', (t) => {
   const g = new Node ('foo', 'bar', 'baz');
 
   g.color = Color.green;
-  g.style = NodeStyles.dashed;
+  g.style = 'dashed';
 
   const serialized = g.toString ();
 
@@ -25,7 +25,7 @@ test ('serialize table', (t) => {
   const g = new Node ('foo', 'bar', 'baz');
 
   g.color = Color.green;
-  g.style = NodeStyles.invisible;
+  g.style = 'invis';
 
   g.table_contents = [
     [

test/Stream.ts

@@ -0,0 +1,89 @@
+import test from 'ava';
+import { GraphStream, Color } from '../lib/index';
+
+const simple = `graph foo {
+}
+
+`;
+
+const complex = `digraph foo {
+  subgraph cluster_foo_baz {
+    color = #ff0000
+    style = bold
+
+    subgraph cluster_foo_baz_nested {
+      color = #808080
+      style = dotted
+
+      subgraph cluster_foo_baz_nested_unnamed {
+        color = #808080
+        style = dotted
+
+      }
+
+    }
+
+    foo_baz_asd [label = "asd"]
+    foo_baz_test [style = "bold", color = "#808080"]
+  }
+
+  foo_baz [label = "baz"]
+  foo_foo [label = "foo"]
+  foo_foo -> foo_baz
+}
+
+`;
+
+test ('stream graph', (t) => new Promise ((resolve) => {
+  let output = '';
+  const stream = (new GraphStream);
+  stream.on ('data', (data) => {
+    output += data;
+  });
+  stream.on ('end', () => {
+    t.is (output, simple);
+    resolve ();
+  });
+  stream.create_graph ('foo', 'u');
+  stream.end_graph ();
+  stream.end ();
+}));
+
+// eslint-disable-next-line max-statements
+test ('complex stream graph', (t) => new Promise ((resolve) => {
+  let output = '';
+  const stream = (new GraphStream);
+  stream.on ('data', (data) => {
+    output += data;
+  });
+  stream.on ('end', () => {
+    t.is (output, complex);
+    t.log (output);
+    resolve ();
+  });
+  stream.create_graph ('foo', 'd');
+  stream.create_graph ('baz');
+  stream.attributes ({ color: Color.red, style: 'bold' });
+  stream.create_graph ('nested');
+  stream.attributes ({ color: Color.gray, style: 'dotted' });
+  stream.create_graph ('unnamed');
+  stream.attributes ({ color: Color.gray, style: 'dotted' });
+  stream.end_graph ();
+  stream.end_graph ();
+  stream.create_node ('asd');
+  stream.attributes ({ label: 'asd' });
+  stream.end_node ();
+  stream.create_node ('test');
+  stream.attributes ({ style: 'bold', color: Color.gray });
+  stream.end_node ();
+  stream.end_graph ();
+  stream.create_node ('baz');
+  stream.attributes ({ label: 'baz' });
+  stream.end_node ();
+  stream.create_node ('foo');
+  stream.attributes ({ label: 'foo' });
+  stream.end_node ();
+  stream.create_edge (`${stream.path}_foo`, `${stream.path}_baz`);
+  stream.end_graph ();
+  stream.end ();
+}));