jschoubben
6f781abb57
ModuleTrees answers each module directory's git tree, its manifest and lock digests, and the git objects of the paths its artifacts name; it no longer computes delivery.NamedTree or reads the mesh packages out of go.sum. Claude-Session: https://claude.ai/code/session_01NcbgfJ9Gum47zkFKWRaovL
66 lines
2.9 KiB
Go
66 lines
2.9 KiB
Go
//go:build integration
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package buildstep
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import (
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"context"
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sdkstep "git.novox.be/novox/mesh-sdk/go/buildstep"
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"reflect"
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"strings"
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"testing"
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"git.novox.be/novox/mesh-sdk/go/forgekey"
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)
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// On a real repository shaped like mesh-sdk (novox/hq ADR 0499 clauses 2 and 6), a commit touching only the Go package
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// leaves the TypeScript package's named objects equal, and a commit touching its source changes them; the answer is raw
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// (Tree is always the directory's git tree, the indexer computes the named one: ADR 0593 §2).
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func TestAGoOnlyCommitLeavesTheNamedObjectsEqualOnRealGit(t *testing.T) {
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repo := t.TempDir()
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realGit(t, repo, "init", "-q", "-b", "main")
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writeFile(t, repo, "module.json", `{"module":"mesh-sdk","version":"1","build":{"artifacts":[`+
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`{"name":"lib","kind":"package","language":"typescript","paths":["src","test","package.json","package-lock.json","tsconfig.json"]}]}}`)
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writeFile(t, repo, "src/index.ts", "export const a = 1\n")
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writeFile(t, repo, "test/a.test.ts", "// a\n")
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writeFile(t, repo, "package.json", "{}\n")
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writeFile(t, repo, "package-lock.json", "{}\n")
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writeFile(t, repo, "tsconfig.json", "{}\n")
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writeFile(t, repo, "go/delivery/x.go", "package delivery\n")
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writeFile(t, repo, "other/module.json", `{"module":"other","version":"1"}`)
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writeFile(t, repo, "other/a.txt", "a\n")
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commit := func(msg string) string {
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realGit(t, repo, "add", "-A")
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realGit(t, repo, "commit", "-q", "-m", msg)
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return realGit(t, repo, "rev-parse", "HEAD")
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}
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trees := func(c string) map[string]sdkstep.ModuleTree {
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got, err := ModuleTrees(context.Background(), forgekey.ExecRunner, nil, repo, c)
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if err != nil {
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t.Fatal(err)
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}
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return got
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}
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first := trees(commit("first"))
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if want := realGit(t, repo, "rev-parse", "HEAD^{tree}"); first["."].Tree != want || strings.HasPrefix(first["."].Tree, "named:") || len(first["."].Paths) != 5 {
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t.Fatalf("the root module: %+v, want its git tree %s and five named objects", first["."], want)
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}
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if want := realGit(t, repo, "rev-parse", "HEAD:other"); first["other"].Tree != want || first["other"].Paths != nil {
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t.Fatalf("a module naming no path: %+v, want its directory's tree %s", first["other"], want)
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}
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writeFile(t, repo, "go/delivery/x.go", "package delivery\n\nconst B = 2\n")
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goOnly := trees(commit("go only"))
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if !reflect.DeepEqual(goOnly["."].Paths, first["."].Paths) {
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t.Fatalf("a Go-only commit changed the TypeScript package's objects: %v, were %v", goOnly["."].Paths, first["."].Paths)
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}
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writeFile(t, repo, "src/index.ts", "export const a = 2\n")
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src := trees(commit("src"))
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if reflect.DeepEqual(src["."].Paths, first["."].Paths) {
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t.Fatal("a commit to src/ left the TypeScript package's objects equal")
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}
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if src["."].Paths["src"] != realGit(t, repo, "rev-parse", "HEAD:src") {
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t.Fatalf("the object of src is %s, git says %s", src["."].Paths["src"], realGit(t, repo, "rev-parse", "HEAD:src"))
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}
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}
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