mesh-controller/internal/builder/packages_integration_test.go

//go:build integration

package builder

import (
	"context"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func TestAnImageBuildGetsTheCredentialInTheContextAndHostNetwork(t *testing.T) {
	r, workspace := aRepository(t, withBoth, map[string]string{"Dockerfile": "FROM scratch\nCOPY .npmrc ./", "files/x": "y"})
	n := Npmrc{Scope: "@novox", Registry: "https://forge.invalid/api/packages/novox/npm/", Token: "t"}
	npmrc := filepath.Join(workspace, "source", ".npmrc")
	inContext := false
	run := func(ctx context.Context, dir, name string, args ...string) (string, error) {
		if name == "docker" && len(args) > 0 && args[0] == "build" {
			_, err := os.Stat(npmrc)
			inContext = err == nil
		}
		return r.run(ctx, dir, name, args...)
	}
	if _, err := Build(context.Background(), run, r,
		"https://forge.invalid/meshboard.git", "", "", workspace, nil, n, GitCredential{}, nil); err != nil {
		t.Fatalf("the build failed: %v", err)
	}

	var build string
	for _, line := range r.ran {
		if strings.HasPrefix(line, "docker build") {
			build = line
		}
	}
	if build == "" {
		t.Fatal("no docker build ran")
	}
	if strings.Contains(build, "--secret") {
		t.Fatalf("the build used a buildkit secret, which this path avoids: %s", build)
	}
	if !strings.Contains(build, "--network host") {
		t.Fatalf("the build was not given the host network to reach the registry: %s", build)
	}
	// The .npmrc is written into the build context (the source tree), where a Dockerfile COPYs it, and
	// removed with the tree when the build ends: a later check's container mounts the workspace (novox/hq
	// issue 462).
	if !inContext {
		t.Fatal("the credential was not in the build context when the image was built")
	}
	if _, err := os.Stat(npmrc); !os.IsNotExist(err) {
		t.Fatalf("the credential outlives the build in the workspace: %v", err)
	}
}

func TestAnImageBuildWithoutACredentialGetsNoHostNetwork(t *testing.T) {
	r, workspace := aRepository(t, withBoth, map[string]string{"Dockerfile": "FROM scratch", "files/x": "y"})
	if _, err := Build(context.Background(), r.run, r,
		"https://forge.invalid/meshboard.git", "", "", workspace, nil, Npmrc{}, GitCredential{}, nil); err != nil {
		t.Fatalf("the build failed: %v", err)
	}
	for _, line := range r.ran {
		if strings.HasPrefix(line, "docker build") && (strings.Contains(line, "--secret") || strings.Contains(line, "--network host")) {
			t.Fatalf("a build with no credential was still given build-network or a secret: %s", line)
		}
	}
	tree := filepath.Join(workspace, "source")
	if _, err := os.Stat(filepath.Join(tree, ".npmrc")); err == nil {
		t.Fatal("an .npmrc was written into a build that has no credential")
	}
}

func TestAPackageIsBuiltOnAPublicBaseAndPublishedByVersion(t *testing.T) {
	r, workspace := aRepository(t, aPackage, map[string]string{
		"package.json": `{"name":"@novox/mesh-sdk","version":"0.1.0"}`,
	})
	n := Npmrc{Scope: "@novox", Registry: "https://forge.invalid/api/packages/novox/npm/", Token: "t"}
	got, err := Build(context.Background(), r.run, r,
		"https://forge.invalid/mesh-sdk.git", "", "", workspace, nil, n, GitCredential{}, nil)
	if err != nil {
		t.Fatalf("the package did not build: %v", err)
	}
	if len(got.Built) != 1 || got.Built[0].Reference != "@novox/mesh-sdk@0.1.0" {
		t.Fatalf("a package is published by name and version, got %+v", got.Built)
	}
	if len(r.images) != 0 || len(r.archives) != 0 {
		t.Fatal("a package was pushed to the artifact store, which is not where packages live")
	}
	var ran string
	for _, line := range r.ran {
		if strings.HasPrefix(line, "docker run") {
			ran = line
		}
	}
	if ran == "" {
		t.Fatal("nothing ran to build the package")
	}
	if !strings.Contains(ran, "node:22-bookworm-slim") {
		t.Fatalf("a package was not built on a public base: %s", ran)
	}
	if !strings.Contains(ran, ":/root/.npmrc:ro") {
		t.Fatalf("the credential was not mounted read-only for the publish: %s", ran)
	}
}

func TestAPackageWithNoRegistryIsRefused(t *testing.T) {
	r, workspace := aRepository(t, aPackage, map[string]string{
		"package.json": `{"name":"@novox/mesh-sdk","version":"0.1.0"}`,
	})
	_, err := Build(context.Background(), r.run, r,
		"https://forge.invalid/mesh-sdk.git", "", "", workspace, nil, Npmrc{}, GitCredential{}, nil)
	if err == nil {
		t.Fatal("a package built with no registry to publish to, silently")
	}
}

func TestAnImageThatDoesNotAskForTheCredentialDoesNotGetIt(t *testing.T) {
	// A Dockerfile with no .npmrc reference (like the control plane's) must build clean: no .npmrc
	// in its context, no host network — so its image stays deterministic and the credential does not
	// leak into a build that never resolves a mesh package.
	r, workspace := aRepository(t, withBoth, map[string]string{"Dockerfile": "FROM scratch\nCOPY . .", "files/x": "y"})
	n := Npmrc{Scope: "@novox", Registry: "https://forge.invalid/api/packages/novox/npm/", Token: "t"}
	if _, err := Build(context.Background(), r.run, r,
		"https://forge.invalid/meshboard.git", "", "", workspace, nil, n, GitCredential{}, nil); err != nil {
		t.Fatalf("the build failed: %v", err)
	}
	for _, line := range r.ran {
		if strings.HasPrefix(line, "docker build") && strings.Contains(line, "--network host") {
			t.Fatalf("a build that does not ask for the credential got the host network: %s", line)
		}
	}
	if _, err := os.Stat(filepath.Join(workspace, "source", ".npmrc")); err == nil {
		t.Fatal("an .npmrc was written into a build that does not reference it")
	}
}