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improvement: support summarization for new tests #5

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Merged
sidkmenon merged 5 commits into from
Sep 17, 2026
Merged

improvement: support summarization for new tests #5

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deae3d3
Enable WASI HTTP for network-backed component plugins
sidkmenon Sep 17, 2026
f3d5c27
Summarize test bodies before collapsing test modules
sidkmenon Sep 17, 2026
ebca304
Run the bundled summarizer as a WASM component
sidkmenon Sep 17, 2026
921874c
Show Git binary changes in the TUI
sidkmenon Sep 17, 2026
fa9059b
Gently increase default dark theme contrast
sidkmenon Sep 17, 2026
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2 changes: 1 addition & 1 deletion .github/workflows/test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ jobs:
targets: wasm32-wasip2
# Component loading is host behaviour, so it is tested once, natively,
# rather than on every target the matrix above cross-compiles for.
- run: cargo test --features wasm-plugin-tests --test wasm
- run: cargo xtask test-plugins

test_mime_db:
name: Test with MIME database
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2 changes: 2 additions & 0 deletions .gitignore
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Expand Up @@ -11,6 +11,8 @@ __pycache__/

# WASM plugin builds: scripts/build-wasm-plugins.sh
plugin.wasm
# The bundled WASM summarizer ships ready to embed without a WASM toolchain.
!/plugins/summarize/plugin.wasm
/crates/*/target

# Generated data left behind by the retired review web viewer.
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131 changes: 117 additions & 14 deletions Cargo.lock
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4 changes: 2 additions & 2 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,7 @@ diffr-plugin-hide-files = { path = "plugins/hide-files" }
diffr-plugin-removed-runs = { path = "plugins/removed-runs" }
diffr-plugin-summarize = { path = "plugins/summarize" }
diffr-plugin-test-bodies = { path = "plugins/test-bodies" }
wasmtime-wasi-http = { version = "34.0.2", default-features = false }


[target.'cfg(not(any(windows, target_os = "illumos", target_os = "freebsd")))'.dependencies]
Expand Down Expand Up @@ -199,9 +200,8 @@ default-members = [
"examples/plugins/fixtures",
]

# Test-only exception: the summarizer's HTTP client is native-only today.
[workspace.metadata.diffr]
wasm-test-exclude = ["diffr-plugin-summarize"]
wasm-test-exclude = []

[profile.release]
lto = "thin"
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12 changes: 7 additions & 5 deletions docs/config.md
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Expand Up @@ -70,7 +70,7 @@ name = "default-dark" # a bundled terminal theme
path = "/path/to/theme.toml" # or a Helix-style theme file

[plugins] # see "Plugins" below
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.test-bodies", "bundled.removed-runs", "bundled.summarize", "bundled.group"]
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.summarize", "bundled.test-bodies", "bundled.removed-runs", "bundled.group"]
```

When a file exceeds a `[diff]` limit it falls back to a line diff: the file's
Expand All @@ -92,7 +92,7 @@ produce on the wire.

```toml
[plugins]
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.test-bodies", "bundled.removed-runs", "bundled.summarize", "bundled.group"]
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.summarize", "bundled.test-bodies", "bundled.removed-runs", "bundled.group"]

[plugins.bundled.context] # unchanged lines far from any change collapse
enabled = true
Expand All @@ -115,15 +115,17 @@ min_lines = 3
enabled = true
min_lines = 5

[plugins.bundled.summarize] # pseudocode for large new function bodies
[plugins.bundled.summarize] # pseudocode for large new function bodies and right-side tests
enabled = false # off by default: it needs an API key
provider = "gemini"
model = "gemini-3.8-flash"
min_lines = 20
tests = true # include right-side tests even when not newly added
test_min_lines = 20
api_key = "…" # or GEMINI_API_KEY / GOOGLE_API_KEY
endpoint = "https://…" # optional base URL override
request_timeout_ms = 60000
max_concurrency = 16
max_concurrency = 16 # legacy option; ignored by the WASM summarizer
retries = 3
system_prompt = """…""" # the model's system instruction; defaults to diffr's own

Expand Down Expand Up @@ -156,7 +158,7 @@ key.

```toml
[plugins]
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.test-bodies", "bundled.removed-runs", "bundled.summarize", "bundled.group", "external.fixtures"]
order = ["bundled.context", "bundled.hide-files", "bundled.deleted-bodies", "bundled.summarize", "bundled.test-bodies", "bundled.removed-runs", "bundled.group", "external.fixtures"]

[plugins.external.fixtures]
path = "plugins/fixtures"
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