by default, handle HEAD requests automatically for routes with a GET handler

[squeep-api-dingus] / test / lib / dingus.js

diff --git a/test/lib/dingus.js b/test/lib/dingus.js
index b60caca128bc7b839a8291765ac774586556c068..9d471229d3a26ebde87ebfae9d53efbde46c9aaa 100644 (file)
--- a/test/lib/dingus.js
+++ b/test/lib/dingus.js
@@ -7,7 +7,7 @@ const sinon = require('sinon'); // eslint-disable-line node/no-unpublished-requi
 const fs = require('fs');
 
 const Dingus = require('../../lib/dingus');
-const { DingusError } = require('../../lib/errors');
+const { DingusError, RouterNoMethodError } = require('../../lib/errors');
 const Enum = require('../../lib/enum');
 
 const noExpectedException = 'did not get expected exception';
@@ -355,6 +355,7 @@ describe('Dingus', function () {
       sinon.spy(dingus, 'handlerNotFound');
       sinon.spy(dingus, 'handlerBadRequest');
       sinon.spy(dingus, 'handlerInternalServerError');
+      sinon.spy(Dingus, 'setHeadHandler');
       stubHandler = sinon.stub();
     });
     afterEach(function () {
@@ -460,6 +461,40 @@ describe('Dingus', function () {
       assert.strictEqual(stubHandler.args[0][3], 'foo');
       assert.strictEqual(stubHandler.args[0][4], 'bar');
     });
+    describe('intrinsic HEAD handling', function () {
+      it('covers no intrinsic HEAD handling', async function () {
+        dingus.intrinsicHeadMethod = false;
+        dingus.on('GET', '/', stubHandler);
+        req.method = 'HEAD';
+        await dingus.dispatch(req, res, ctx);
+        assert(!stubHandler.called);
+        assert(dingus.handlerMethodNotAllowed.called);
+      });
+      it('calls HEAD setup and GET handler', async function () {
+        dingus.on('GET', '/', stubHandler);
+        req.method = 'HEAD';
+        await dingus.dispatch(req, res, ctx);
+        assert(Dingus.setHeadHandler.called);
+        assert(stubHandler.called);
+      });
+      it('covers no GET handler', async function () {
+        dingus.on('POST', '/', stubHandler);
+        req.method = 'HEAD';
+        await dingus.dispatch(req, res, ctx);
+        assert(!stubHandler.called);
+        assert(dingus.handlerMethodNotAllowed.called);
+      });
+      it('covers unexpected router error', async function () {
+        sinon.stub(dingus.router, 'lookup')
+          .onFirstCall().throws(new RouterNoMethodError())
+          .onSecondCall().throws(new DingusError())
+        ;
+        dingus.on('GET', '/', stubHandler);
+        req.method = 'HEAD';
+        await dingus.dispatch(req, res, ctx);
+        assert(dingus.handlerInternalServerError.called);
+      });
+    });
   }); // dispatch
 
   describe('parseBody', function () {
@@ -477,14 +512,14 @@ describe('Dingus', function () {
     });
     it('parses json', function () {
       const src = { foo: 'bar' };
-      ctx.rawBody = JSON.stringify(src);
-      dingus.parseBody(Enum.ContentType.ApplicationJson, ctx);
+      const rawBody = JSON.stringify(src);
+      dingus.parseBody(Enum.ContentType.ApplicationJson, ctx, rawBody);
       assert.deepStrictEqual(ctx.parsedBody, src);
     });
     it('handles unparsable json', function () {
-      ctx.rawBody = 'not json';
+      const rawBody = 'not json';
       try {
-        dingus.parseBody(Enum.ContentType.ApplicationJson, ctx);
+        dingus.parseBody(Enum.ContentType.ApplicationJson, ctx, rawBody);
         assert.fail(noExpectedException);
       } catch (e) {
         assert.strictEqual(e.statusCode, 400);
@@ -494,8 +529,8 @@ describe('Dingus', function () {
       const expected = Object.assign(Object.create(null), {
         foo: 'bar',
       });
-      ctx.rawBody = 'foo=bar';
-      dingus.parseBody('application/x-www-form-urlencoded', ctx);
+      const rawBody = 'foo=bar';
+      dingus.parseBody('application/x-www-form-urlencoded', ctx, rawBody);
       assert.deepStrictEqual(ctx.parsedBody, expected);
     });