Fix allowUnmocked when last interceptor was removed.

lib/intercept.js

@@ -106,6 +106,9 @@ function add(key, interceptor, scope, scopeOptions, host) {
   interceptor.__nock_scopeHost = host;
   interceptor.interceptionCounter = 0;
 
+  if (scopeOptions.allowUnmocked)
+    allInterceptors[key].allowUnmocked = true;
+
   allInterceptors[key].scopes.push(interceptor);
 }
 
@@ -163,7 +166,16 @@ function interceptorsFor(options) {
     });
 
     if (!matchingInterceptor && common.matchStringOrRegexp(basePath, interceptor.key)) {
-      matchingInterceptor = interceptor.scopes;
+      if (interceptor.scopes.length === 0 && interceptor.allowUnmocked) {
+        matchingInterceptor = [
+          {
+            options: { allowUnmocked: true },
+            matchIndependentOfBody: function() { return false }
+          }
+        ];
+      } else {
+        matchingInterceptor = interceptor.scopes;
+      }
       // false to short circuit the .each
       return false;
     }

tests/test_intercept.js

@@ -41,7 +41,7 @@ test("double activation throws exception", function(t) {
   t.end();
 });
 
-test("allow override works (2)", function(t) {
+test("allow unmocked works (2)", function(t) {
   var scope =
   nock("https://httpbin.org",{allowUnmocked: true}).
     post("/post").
@@ -61,6 +61,24 @@ test("allow override works (2)", function(t) {
   });
 });
 
+test("allow unmocked works after one interceptor is removed", function(t) {
+  var scope =
+  nock("https://example.org",{allowUnmocked: true}).
+    get("/").
+    reply(200, "Mocked");
+
+  mikealRequest("https://example.org", function(err, resp, body) {
+    t.error(err);
+    t.equal(body, 'Mocked');
+
+    mikealRequest("https://example.org/foo", function(err, resp, body) {
+      t.error(err);
+      t.assert(~body.indexOf('Example Domain'));
+      t.end();
+    });
+  });
+});
+
 test("reply callback's requestBody should automatically parse to JSON", function(t) {
     var requestBodyFixture = {
         id: 1,