mirror of
https://github.com/hanzoai/pack.git
synced 2026-09-30 23:43:13 +00:00
zeekay
b2bd2df30e
pack is the one packer for the fabric: detect a Go/Node/Python/static context and emit a runnable OCI image with no Dockerfile. Detection and LLB generation are pure functions (Detect + Recipe), unit-tested by marshalling the graph so no buildkitd is needed; build.go is the only impure code and drives BuildKit through dockerui, mirroring the reference dockerfile frontend. Pinned to moby/buildkit v0.16.0 to match the fabric daemon. A Dockerfile (dockerfile.v0) remains the escape hatch.
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
package main
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import "testing"
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func fileset(names ...string) map[string]bool {
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set := make(map[string]bool, len(names))
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for _, n := range names {
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set[n] = true
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}
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return set
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}
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func TestDetect(t *testing.T) {
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cases := []struct {
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name string
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files []string
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want Ecosystem
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err bool
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}{
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{"go", []string{"go.mod", "go.sum", "main.go"}, Go, false},
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{"node", []string{"package.json"}, Node, false},
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{"python pyproject", []string{"pyproject.toml"}, Python, false},
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{"python requirements", []string{"requirements.txt"}, Python, false},
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{"static", []string{"index.html", "style.css"}, Static, false},
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{"go beats node", []string{"go.mod", "package.json"}, Go, false},
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{"node beats python", []string{"package.json", "requirements.txt"}, Node, false},
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{"python beats static", []string{"requirements.txt", "index.html"}, Python, false},
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{"unsupported", []string{"README.md", "LICENSE"}, "", true},
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{"empty", nil, "", true},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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plan, err := Detect(fileset(tc.files...))
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if tc.err {
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if err == nil {
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t.Fatalf("want error, got plan %+v", plan)
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}
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return
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}
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if plan.Ecosystem != tc.want {
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t.Fatalf("ecosystem = %q, want %q", plan.Ecosystem, tc.want)
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}
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})
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}
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}
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func TestDetectFlags(t *testing.T) {
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if p, _ := Detect(fileset("package.json", "package-lock.json")); !p.Lockfile {
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t.Error("package-lock.json should set Lockfile (npm ci)")
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}
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if p, _ := Detect(fileset("package.json")); p.Lockfile {
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t.Error("no lockfile should leave Lockfile false (npm install)")
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}
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if p, _ := Detect(fileset("requirements.txt")); !p.Requirements {
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t.Error("requirements.txt should set Requirements")
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}
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if p, _ := Detect(fileset("pyproject.toml")); p.Requirements {
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t.Error("pyproject-only should leave Requirements false")
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}
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}
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