Add Assignment 3 solution

assignments/A3/spec/message.spec.js

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+let read_json_file = require("../read_json_file.js").read_json_file;
+let message = require("../message.js");
+
+let testMsg = {"headers": {"Subject" : "lunch", "Date" : "now"}};
+let otherMsg = {"headers": {"Subject" : "dinner", "Date" : "now"}};
+
+describe("match",
+         function() {
+             it("message matches itself",
+                function () {
+                    expect(message.match(testMsg,testMsg.headers)).toEqual(true);
+                });
+             it("message does not match if field changes",
+                function () {
+                    expect(message.match(testMsg,otherMsg.headers)).toEqual(false);
+                });
+             it("match subset of fields",
+                function () {
+                    expect(message.match(testMsg,{"Subject": "lunch"})).toEqual(true);
+                });
+			});
+			describe("message body",
+         function () {
+             it("unsigned message",
+                function () {
+                    let message_objects=read_json_file("example1.json").flat(Infinity);
+                    let msg = message_objects.filter((m) => message.match(m,{ "From": "Aron Griffis <agriffis@n01se.net>"}))[0];
+                    expect(msg).not.toEqual(null);
+                    expect(message.body(msg)).toEqual(`Just subscribed, I'd like to catch up on the previous postings,
+but the archive link seems to be bogus?
+
+Thanks,
+Aron
+
+`);
+                });
+             it("signed message",
+                function () {
+                    let message_objects=read_json_file("example2.json").flat(Infinity);
+                    let msg = message_objects.filter((m) => message.match(m,{"From": "md@Linux.IT (Marco d'Itri)"}))[0];
+
+                    expect(msg).not.toEqual(null);
+                    expect(message.body(msg)).toEqual(`On Sep 09, Sean Whitton <spwhitton@spwhitton.name> wrote:
+
+> 1. Is the 'should not' for the /etc/default practice too strong?  I
+No, because it cannot be supported in a sane way by systemd units.
+It should even be "must not".
+
+-- 
+ciao,
+Marco
+`);
+                });
+               
+         });
+let fullHeaderMsg ={"headers": {
+    "Subject": "[notmuch] archive",
+    "From": "Aron Griffis <agriffis@n01se.net>",
+    "To": "notmuch <notmuch@notmuchmail.org>",
+    "Date": "Tue, 17 Nov 2009 18:21:38 -0500"
+}};
+
+describe("toString",
+    function () {
+        it("works with no body",
+            function () {
+                expect(message.string(testMsg)).toEqual(`Date: now
+Subject: lunch
+`);
+            });
+
+        it("full set of headers",
+            function() {
+                expect(message.string(fullHeaderMsg)).toEqual(`From: Aron Griffis <agriffis@n01se.net>
+Date: Tue, 17 Nov 2009 18:21:38 -0500
+Subject: [notmuch] archive
+To: notmuch <notmuch@notmuchmail.org>
+`);
+            });
+    });
+
+describe("toString real data",
+    function () {
+        it("unsigned message",
+            function () {
+                let message_objects=read_json_file("example1.json").flat(Infinity);
+                let msg = message_objects.filter((m) => message.match(m,{ "From": "Aron Griffis <agriffis@n01se.net>"}))[0];
+                expect(msg).not.toEqual(null);
+                expect(message.string(msg)).toEqual(`From: Aron Griffis <agriffis@n01se.net>
+Date: Tue, 17 Nov 2009 18:21:38 -0500
+Subject: [notmuch] archive
+To: notmuch <notmuch@notmuchmail.org>
+
+Just subscribed, I'd like to catch up on the previous postings,
+but the archive link seems to be bogus?
+
+Thanks,
+Aron
+
+`);
+            });
+             
+        it("signed message",
+            function () {
+                let message_objects=read_json_file("example2.json").flat(Infinity);
+                let msg = message_objects.filter((m) => message.match(m,{"From": "md@Linux.IT (Marco d'Itri)"}))[0];
+
+                expect(msg).not.toEqual(null);
+                expect(message.string(msg)).toEqual(`From: md@Linux.IT (Marco d'Itri)
+Date: Sun, 10 Sep 2017 09:48:44 +0200
+Subject: Bug#601455: Steps towards a patch to document disabling a daemon upon installation
+To: debian-policy@lists.debian.org
+
+On Sep 09, Sean Whitton <spwhitton@spwhitton.name> wrote:
+
+> 1. Is the 'should not' for the /etc/default practice too strong?  I
+No, because it cannot be supported in a sane way by systemd units.
+It should even be "must not".
+
+-- 
+ciao,
+Marco
+`);});
+});

assignments/A3/spec/support/jasmine.json

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+{
+  "spec_dir": "spec",
+  "spec_files": [
+    "**/*[sS]pec.?(m)js"
+  ],
+  "helpers": [
+    "helpers/**/*.?(m)js"
+  ],
+  "env": {
+    "stopSpecOnExpectationFailure": false,
+    "random": true
+  }
+}