Refactoring RequestInit to use a Builder Pattern #22521

lucasfantacuci · 2018-12-21T11:07:37Z

If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like

./mach build -d does not report any errors
./mach test-tidy does not report any errors
These changes fix #22427
These changes do not require tests because it is a code refactoring.

This change is

highfive · 2018-12-21T11:07:43Z

Thanks for the pull request, and welcome! The Servo team is excited to review your changes, and you should hear from @jdm (or someone else) soon.

highfive · 2018-12-21T11:07:44Z

Heads up! This PR modifies the following files:

@KiChjang: components/net_traits/request.rs

lucasfantacuci · 2018-12-21T18:11:20Z

~~I implemented the builder pattern as a non-consuming builder. ref: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html~~

components/net_traits/request.rs

jdm

Sorry about the delay! Thanks for making these changes; they have made clear some interesting holes in our current network requests that I plan to file issues about!

components/net_traits/request.rs

jdm · 2019-01-15T18:37:27Z

components/script/fetch.rs

-        cache_mode: request.cache_mode,
-        ..NetTraitsRequestInit::default()
-    }
+    NetTraitsRequestInit::new(request.url())


I would actually like to revert the change to this function, and remove the use of ..NetTraitsRequesInit::default(). That will make the compiler catch when we add members to NetTraitsRequestInit and need to be sure they are initialized correctly.

Sorry, I didn't get you.

I would like to revert this particular change: this method should construct a new NetTraitsRequestInit object with an explicit structvliteral that initializes every field (instead of using ..NetTraitsRequestInit::default()).

What do you think about a method overload to the method to the Builder new passing all the arguments or the Request Object?

I'm just thinking about the separation of concerns.

What do you think now?

Then we will be able to construct this object without setting the properties directly by removing the "pub" from them.

e.g.:

RequestBuilder { url: url ... }

It will throw an error if you are building outside of his scope.

The advantage of allowing some code like request_init_from_request to create the RequestInit value directly is that it's easier to understand code like use_url_credentials: false instead of a false value that is one of 20 arguments. I think it's fine to keep the field values of RequestInit public and build it directly, rather than adding a method.

yeah, i've got you.

jdm · 2019-01-15T18:38:16Z

error: unused import: `std::default::Default`
  --> components/net_traits/request.rs:11:5
   |
11 | use std::default::Default;
   |     ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D unused-imports` implied by `-D warnings`

lucasfantacuci · 2019-01-15T18:43:46Z

My apologies, I was away. I gonna retake this task and finish it.

bors-servo · 2019-04-03T10:38:09Z

☔ The latest upstream changes (presumably #23103) made this pull request unmergeable. Please resolve the merge conflicts.

bors-servo · 2019-04-05T00:12:14Z

@lucasfantacuci: 🔑 Insufficient privileges: not in try users

bors-servo · 2019-04-05T00:12:40Z

@lucasfantacuci: 🔑 Insufficient privileges: not in try users


        Auto merge of #22521 - lucasfantacuci:use_build_pattern_with_requesti…

…nit, r=jdm Refactoring RequestInit to use a Builder Pattern  If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like --- - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #22427 - [x] These changes do not require tests because it is a code refactoring.  --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22521)

jdm · 2019-04-10T14:58:25Z

@bors-servo retry

bors-servo · 2019-04-10T14:58:29Z

⌛ Testing commit c3803b0 with merge 5370151...


        Auto merge of #22521 - lucasfantacuci:use_build_pattern_with_requesti…

…nit, r=jdm Refactoring RequestInit to use a Builder Pattern  If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like --- - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #22427 - [x] These changes do not require tests because it is a code refactoring.  --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22521)

KiChjang · 2019-04-10T15:49:19Z

components/script/fetch.rs

@@ -24,7 +24,7 @@ use crate::task_source::TaskSourceName;
 use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
 use js::jsapi::JSAutoCompartment;
-use net_traits::request::RequestInit as NetTraitsRequestInit;
+use net_traits::request::RequestBuilder as NetTraitsRequestInit;


This probably doesn't need the renaming anymore.

KiChjang · 2019-04-10T15:49:19Z

components/script/fetch.rs

        use_cors_preflight: request.use_cors_preflight,
        credentials_mode: request.credentials_mode,
-        use_url_credentials: request.use_url_credentials,
+        use_url_credentials: false,


Why is this changed to false?

It may be a lack of attention.

The default value is false.


        Implementing the builder pattern for RequestInit

KiChjang · 2019-04-10T17:36:00Z

@bors-servo r=jdm,KiChjang

Thanks!

bors-servo · 2019-04-10T17:36:02Z

📌 Commit 6b2be9b has been approved by jdm,KiChjang

bors-servo · 2019-04-10T17:36:08Z

⌛ Testing commit 6b2be9b with merge cb5dce5...


        Auto merge of #22521 - lucasfantacuci:use_build_pattern_with_requesti…

…nit, r=jdm,KiChjang Refactoring RequestInit to use a Builder Pattern  If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like --- - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #22427 - [x] These changes do not require tests because it is a code refactoring.  --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22521)

bors-servo · 2019-04-11T03:36:08Z

💥 Test timed out

KiChjang · 2019-04-11T05:18:38Z

@bors-servo retry

bors-servo · 2019-04-11T14:31:21Z

⌛ Testing commit 6b2be9b with merge f14d199...


        Auto merge of #22521 - lucasfantacuci:use_build_pattern_with_requesti…

…nit, r=jdm,KiChjang Refactoring RequestInit to use a Builder Pattern  If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like --- - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #22427 - [x] These changes do not require tests because it is a code refactoring.  --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22521)

jdm · 2019-04-11T16:58:30Z

@bors-servo retry

bors-servo · 2019-04-11T16:58:36Z

⌛ Testing commit 6b2be9b with merge 9ab0af0...


        Auto merge of #22521 - lucasfantacuci:use_build_pattern_with_requesti…

…nit, r=jdm,KiChjang Refactoring RequestInit to use a Builder Pattern  If RequestInit::new accepts all of the mandatory arguments and then the builder pattern is used for customizable options, the resulting code might be easier to match against specification text like --- - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #22427 - [x] These changes do not require tests because it is a code refactoring.  --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22521)

bors-servo · 2019-04-11T18:33:40Z

☀️ Test successful - android-mac, arm32, arm64, linux-rel-css, linux-rel-wpt, mac-rel-css1, mac-rel-css2, mac-rel-wpt1, mac-rel-wpt2, mac-rel-wpt3, mac-rel-wpt4, magicleap, status-taskcluster
Approved by: jdm,KiChjang
Pushing 9ab0af0 to master...

highfive assigned jdm Dec 21, 2018

highfive added the S-awaiting-review label Dec 21, 2018

jdm added S-needs-code-changes and removed S-awaiting-review labels Dec 21, 2018

highfive added S-awaiting-review and removed S-needs-code-changes labels Dec 21, 2018

lucasfantacuci force-pushed the lucasfantacuci:use_build_pattern_with_requestinit branch from 579725c to 7a5ef1b Dec 21, 2018

lucasfantacuci changed the title ~~WIP: Use builder pattern with RequestInit~~ Refactoring RequestInit to use a Builder Pattern Dec 21, 2018

KiChjang reviewed Dec 22, 2018

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lucasfantacuci force-pushed the lucasfantacuci:use_build_pattern_with_requestinit branch from 7a5ef1b to 1bb9073 Apr 3, 2019

highfive added S-awaiting-review and removed S-needs-code-changes labels Apr 3, 2019

lucasfantacuci changed the title ~~Refactoring RequestInit to use a Builder Pattern~~ [WIP]Refactoring RequestInit to use a Builder Pattern Apr 4, 2019

lucasfantacuci force-pushed the lucasfantacuci:use_build_pattern_with_requestinit branch 5 times, most recently from f3b6ef9 to 2712351 Apr 4, 2019

KiChjang reviewed Apr 10, 2019

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Implementing the builder pattern for RequestInit

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lucasfantacuci force-pushed the lucasfantacuci:use_build_pattern_with_requestinit branch from c3803b0 to 6b2be9b Apr 10, 2019

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This was referenced Apr 11, 2019

Upgrade to SpiderMonkey 66 #23163

Merged

Add referrer to navigation fetch request #23090

Merged

[WIP] Implement parallel CSS parsing #22478

Open

Use a threadpool for fetch #22769

Merged

lucasfantacuci deleted the lucasfantacuci:use_build_pattern_with_requestinit branch Apr 11, 2019

servo / servo

Refactoring RequestInit to use a Builder Pattern #22521

Refactoring RequestInit to use a Builder Pattern #22521

lucasfantacuci commented Dec 21, 2018 •

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Refactoring RequestInit to use a Builder Pattern #22521

Refactoring RequestInit to use a Builder Pattern #22521

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