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@ -5,43 +5,55 @@ |
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// couldn't figure out how to write it in bash.
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const fs = require('fs'); |
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const { spawn } = require('node:child_process'); |
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// Our first argument is a file that is a giant json blob which contains at
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// least all the messages for all of the commits that were a part of this PR.
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// This is used to test if any commit message includes a string.
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const commits = fs.readFileSync(process.argv[2]).toString(); |
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// Number of generic buckets to shard crates into. Note that we additionally add
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// single-crate buckets for our biggest crates.
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const GENERIC_BUCKETS = 3; |
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// The second argument is a file that contains the names of all files modified
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// for a PR, used for file-based filters.
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const names = fs.readFileSync(process.argv[3]).toString(); |
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// Crates which are their own buckets. These are the very slowest to
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// compile-and-test crates.
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const SINGLE_CRATE_BUCKETS = ["wasmtime", "wasmtime-cli", "wasmtime-wasi"]; |
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// This is the full matrix of what we test on CI. This includes a number of
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// platforms and a number of cross-compiled targets that are emulated with QEMU.
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// This must be kept tightly in sync with the `test` step in `main.yml`.
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// This is the small, fast-to-execute matrix we use for PRs before they enter
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// the merge queue. Same schema as `FULL_MATRIX`.
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const FAST_MATRIX = [ |
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{ |
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"os": "ubuntu-latest", |
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"name": "Test Linux x86_64", |
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"filter": "linux-x64", |
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"isa": "x64", |
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}, |
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]; |
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// This is the full, unsharded, and unfiltered matrix of what we test on
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// CI. This includes a number of platforms and a number of cross-compiled
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// targets that are emulated with QEMU. This must be kept tightly in sync with
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// the `test` step in `main.yml`.
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//
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// The supported keys here are:
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//
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// * `os` - the github-actions name of the runner os
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//
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// * `name` - the human-readable name of the job
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//
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// * `filter` - a string which if `prtest:$filter` is in the commit messages
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// it'll force running this test suite on PR CI.
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//
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// * `isa` - changes to `cranelift/codegen/src/$isa` will automatically run this
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// test suite.
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//
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// * `target` - used for cross-compiles if present. Effectively Cargo's
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// `--target` option for all its operations.
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//
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// * `gcc_package`, `gcc`, `qemu`, `qemu_target` - configuration for building
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// QEMU and installing cross compilers to execute a cross-compiled test suite
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// on CI.
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// * `isa` - changes to `cranelift/codegen/src/$isa` will automatically run this
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// test suite.
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//
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// * `rust` - the Rust version to install, and if unset this'll be set to
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// `default`
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const array = [ |
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{ |
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"os": "ubuntu-latest", |
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"name": "Test Linux x86_64", |
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"filter": "linux-x64", |
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"isa": "x64", |
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"extra_features": "--features wasmtime-wasi-nn/onnx" |
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}, |
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const FULL_MATRIX = [ |
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...FAST_MATRIX, |
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{ |
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"os": "ubuntu-latest", |
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"name": "Test MSRV on Linux x86_64", |
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@ -59,20 +71,17 @@ const array = [ |
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"os": "macos-13", |
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"name": "Test macOS x86_64", |
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"filter": "macos-x64", |
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"extra_features": "--features wasmtime-wasi-nn/onnx" |
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}, |
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{ |
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"os": "macos-14", |
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"name": "Test macOS arm64", |
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"filter": "macos-arm64", |
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"target": "aarch64-apple-darwin", |
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"extra_features": "--features wasmtime-wasi-nn/onnx" |
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}, |
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{ |
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"os": "windows-latest", |
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"name": "Test Windows MSVC x86_64", |
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"filter": "windows-x64", |
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"extra_features": "--features wasmtime-wasi-nn/onnx" |
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}, |
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{ |
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"os": "windows-latest", |
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@ -115,44 +124,153 @@ const array = [ |
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} |
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]; |
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for (let config of array) { |
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if (config.rust === undefined) { |
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config.rust = 'default'; |
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/// Get the workspace's full list of member crates.
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async function getWorkspaceMembers() { |
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// Spawn a `cargo metadata` subprocess, accumulate its JSON output from
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// `stdout`, and wait for it to exit.
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const child = spawn("cargo", ["metadata"], { encoding: "utf8" }); |
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let data = ""; |
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child.stdout.on("data", chunk => data += chunk); |
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await new Promise((resolve, reject) => { |
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child.on("close", resolve); |
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child.on("error", reject); |
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}); |
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// Get the names of the crates in the workspace from the JSON metadata by
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// building a package-id to name map and then translating the package-ids
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// listed as workspace members.
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const metadata = JSON.parse(data); |
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const id_to_name = {}; |
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for (const pkg of metadata.packages) { |
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id_to_name[pkg.id] = pkg.name; |
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} |
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return metadata.workspace_members.map(m => id_to_name[m]); |
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} |
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function myFilter(item) { |
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if (item.isa && names.includes(`cranelift/codegen/src/isa/${item.isa}`)) { |
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return true; |
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/// For each given target configuration, shard the workspace's crates into
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/// buckets across that config.
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///
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/// This is essentially a `flat_map` where each config that logically tests all
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/// crates int he workspace is mapped to N sharded configs that each test only a
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/// subset of crates in the workspace. Each sharded config's subset of crates to
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/// test are disjoint from all its siblings, and the union of all thes siblings'
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/// crates to test is the full workspace members set.
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///
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/// With some poetic license around a `crates_to_test` key that doesn't actually
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/// exist, logically each element of the input `configs` list gets transformed
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/// like this:
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///
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: "all" }
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///
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/// ==>
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///
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/// [
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["wasmtime"] },
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["wasmtime-cli"] },
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["wasmtime-wasi"] },
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["cranelift", "cranelift-codegen", ...] },
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["wasmtime-slab", "cranelift-entity", ...] },
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/// { os: "ubuntu-latest", isa: "x64", ..., crates: ["cranelift-environ", "wasmtime-cli-flags", ...] },
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/// ...
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/// ]
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///
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/// Note that `crates: "all"` is implicit in the input and omitted. Similarly,
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/// `crates: [...]` in each output config is actually implemented via adding a
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/// `bucket` key, which contains the CLI flags we must pass to `cargo` to run
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/// tests for just this config's subset of crates.
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async function shard(configs) { |
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const members = await getWorkspaceMembers(); |
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// Divide the workspace crates into N disjoint subsets. Crates that are
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// particularly expensive to compile and test form their own singleton subset.
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const buckets = Array.from({ length: GENERIC_BUCKETS }, _ => new Set()); |
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let i = 0; |
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for (const crate of members) { |
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if (SINGLE_CRATE_BUCKETS.indexOf(crate) != -1) continue; |
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buckets[i].add(crate); |
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i = (i + 1) % GENERIC_BUCKETS; |
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} |
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if (item.filter && commits.includes(`prtest:${item.filter}`)) { |
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return true; |
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for (crate of SINGLE_CRATE_BUCKETS) { |
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buckets.push(new Set([crate])); |
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} |
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// If any runtest was modified, re-run the whole test suite as those can
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// target any backend.
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if (names.includes(`cranelift/filetests/filetests/runtests`)) { |
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return true; |
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// For each config, expand it into N configs, one for each disjoint set we
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// created above.
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const sharded = []; |
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for (const config of configs) { |
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for (const bucket of buckets) { |
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sharded.push(Object.assign( |
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{}, |
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config, |
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{ |
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name: `${config.name} (${Array.from(bucket).join(', ')})`, |
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// We run tests via `cargo test --workspace`, so exclude crates that
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// aren't in this bucket, rather than naming only the crates that are
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// in this bucket.
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bucket: members |
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.map(c => bucket.has(c) ? `--package ${c}` : `--exclude ${c}`) |
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.join(" "), |
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} |
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)); |
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} |
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} |
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return false; |
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return sharded; |
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} |
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const filtered = array.filter(myFilter); |
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async function main() { |
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// Our first argument is a file that is a giant json blob which contains at
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// least all the messages for all of the commits that were a part of this PR.
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// This is used to test if any commit message includes a string.
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const commits = fs.readFileSync(process.argv[2]).toString(); |
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// If the optional third argument to this script is `true` then that means all
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// tests are being run and no filtering should happen.
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if (process.argv[4] == 'true') { |
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console.log(JSON.stringify(array)); |
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return; |
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} |
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// The second argument is a file that contains the names of all files modified
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// for a PR, used for file-based filters.
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const names = fs.readFileSync(process.argv[3]).toString(); |
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for (let config of FULL_MATRIX) { |
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if (config.rust === undefined) { |
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config.rust = 'default'; |
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} |
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} |
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// If the optional third argument to this script is `true` then that means all
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// tests are being run and no filtering should happen.
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if (process.argv[4] == 'true') { |
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console.log(JSON.stringify(await shard(FULL_MATRIX), undefined, 2)); |
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return; |
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} |
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// When we aren't running the full CI matrix, filter configs down to just the
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// relevant bits based on files changed in this commit or if the commit asks
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// for a certain config to run.
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const filtered = FULL_MATRIX.filter(config => { |
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// If an ISA-specific test was modified, then include that ISA config.
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if (config.isa && names.includes(`cranelift/codegen/src/isa/${config.isa}`)) { |
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return true; |
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} |
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// If any runtest was modified, include all ISA configs as runtests can
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// target any backend.
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if (names.includes(`cranelift/filetests/filetests/runtests`)) { |
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return config.isa !== undefined; |
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} |
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// If the commit explicitly asks for this test config, then include it.
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if (config.filter && commits.includes(`prtest:${config.filter}`)) { |
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return true; |
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} |
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return false; |
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}); |
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// If at least one test is being run via our filters then run those tests.
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if (filtered.length > 0) { |
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console.log(JSON.stringify(await shard(filtered), undefined, 2)); |
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return; |
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} |
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// If at least one test is being run via our filters then run those tests.
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if (filtered.length > 0) { |
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console.log(JSON.stringify(filtered)); |
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return; |
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// Otherwise if nothing else is being run, run the fast subset of the matrix.
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console.log(JSON.stringify(await shard(FAST_MATRIX), undefined, 2)); |
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} |
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// Otherwise if nothing else is being run, run the first one which is Ubuntu
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// Linux which should be the fastest for now.
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console.log(JSON.stringify([array[0]])); |
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main() |
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Nick Fitzgerald
6 months ago
GitHub