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Add GitHub Actions workflow to build and run demos on macOS #3

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Merged
dustturtle merged 4 commits into from
Feb 27, 2026
Merged

Add GitHub Actions workflow to build and run demos on macOS #3

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bdd13b1
Initial plan
Copilot Feb 27, 2026
f2ac89a
Add interactive demo apps for Swift and Objective-C
Copilot Feb 27, 2026
7d7b157
Add GitHub Actions workflow to build and run demos on macOS
Copilot Feb 27, 2026
eb67cdf
Fix ObjC demo build: add -fobjc-arc flag to clang command
Copilot Feb 27, 2026
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55 changes: 55 additions & 0 deletions .github/workflows/demo.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
name: Demo

on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
workflow_dispatch:

permissions:
contents: read

jobs:
swift-demo:
name: Swift Demo (macOS)
runs-on: macos-latest
steps:
- uses: actions/checkout@v4

- name: Build Swift Demo
run: swift build --target SwiftDemo

- name: Run Swift Demo (all demos)
run: |
printf 'a\n\n\n\n\n\nq\n' | swift run SwiftDemo
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Copilot AI Feb 27, 2026

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This step runs swift run SwiftDemo after already building the target, which will typically trigger another build. Consider using swift run --skip-build SwiftDemo (or remove the separate build step) to reduce CI time and avoid redundant compilation.

Suggested change
printf 'a\n\n\n\n\n\nq\n' | swift run SwiftDemo
printf 'a\n\n\n\n\n\nq\n' | swift run --skip-build SwiftDemo

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Comment on lines +23 to +26
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Copilot AI Feb 27, 2026

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The stdin sequence provides 6 blank lines after selecting a, but the demo only prompts 5 times to “Press Enter to continue” when running all demos. The extra newline will be read as an empty menu choice and print an "Invalid choice" message before q is consumed; adjust the number of newlines so the run is clean and less brittle.

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objc-demo:
name: ObjC Demo (macOS)
runs-on: macos-latest
steps:
- uses: actions/checkout@v4

- name: Build ObjC Demo
run: |
clang -fobjc-arc -framework Foundation -framework Network \
-I ObjC/NWAsyncSocketObjC/include \
ObjC/NWAsyncSocketObjC/NWStreamBuffer.m \
ObjC/NWAsyncSocketObjC/NWSSEParser.m \
ObjC/NWAsyncSocketObjC/NWReadRequest.m \
ObjC/NWAsyncSocketObjC/GCDAsyncSocket.m \
ObjC/ObjCDemo/main.m \
-o ObjCDemo

- name: Run ObjC Demo (all demos)
run: |
printf 'a\n\n\n\n\n\nq\n' | ./ObjCDemo

Comment on lines +44 to +47
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Same as the Swift demo step: the stdin sequence has 6 blank lines after a, but the ObjC demo waits for Enter 5 times when running all demos. The extra newline becomes an empty menu selection and results in an "Invalid choice" iteration before quitting; tighten the input to exactly match the prompts.

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swift-tests:
name: Swift Tests (macOS)
runs-on: macos-latest
steps:
- uses: actions/checkout@v4

- name: Run Swift tests
run: swift test
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