support chunked encoding

[thinkerou]

ref: #1443

[codecov[bot]]

Codecov Report

Merging #1501 (04eb752) into master (dfc25f9) will decrease coverage by 0.50%. The diff coverage is 20.00%.

@@            Coverage Diff             @@
##           master    #1501      +/-   ##
==========================================
- Coverage   98.75%   98.25%   -0.51%     
==========================================
  Files          41       43       +2     
  Lines        3059     3834     +775     
==========================================
+ Hits         3021     3767     +746     
- Misses         26       53      +27     
- Partials       12       14       +2     

Flag	Coverage Δ
go-1.13	97.89% <0.00%> (-0.87%)	:arrow_down:
go-1.14	97.73% <0.00%> (-0.87%)	:arrow_down:
go-1.15	98.12% <20.00%> (-0.48%)	:arrow_down:
go-1.16	98.11% <20.00%> (-0.48%)	:arrow_down:
go-1.17	97.44% <24.00%> (?)
go-1.18	97.44% <24.00%> (?)
macos-latest	98.25% <20.00%> (-0.51%)	:arrow_down:
nomsgpack	98.22% <20.00%> (-0.52%)	:arrow_down:
ubuntu-latest	98.25% <20.00%> (-0.51%)	:arrow_down:

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Impacted Files	Coverage Δ
render/reader.go	58.06% <0.00%> (-41.94%)	:arrow_down:
render/render.go	100.00% <ø> (ø)
context.go	97.60% <35.29%> (-0.38%)	:arrow_down:
mode.go	100.00% <0.00%> (ø)
tree.go	100.00% <0.00%> (ø)
routergroup.go	100.00% <0.00%> (ø)
binding/form.go	100.00% <0.00%> (ø)
binding/header.go	100.00% <0.00%> (ø)
binding/binding.go	100.00% <0.00%> (ø)
... and 9 more

---

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[appleboy]

Add unit testing?

[niolap]

@appleboy @javierprovecho Any chance to have that feature merge into the master? Would be very helpful when the content size is unknown in advance (which is our case when fetching rows from a database). Thank you

[appleboy]

@thinkerou Please add unit testing.

[niolap]

@thinkerou Please add unit testing.

@thinkerou, If you can do that, you'll make my day

[yashrsharma44]

Hi 👋 Any updates to this PR? I could complete the requested changes if required.

[appleboy]

1. fix conflicts.
2. add unit testing.

[thinkerou]

Hi 👋 Any updates to this PR? I could complete the requested changes if required.

@yashrsharma44 please, thanks a lot!!!

[appleboy]

@thinkerou Add some testing case?