railpack

1package node2 3import (4	"reflect"5	"testing"6 7	"github.com/railwayapp/railpack/core/plan"8)9 10func buildPlan(withCache bool) *plan.BuildPlan {11	p := plan.NewBuildPlan()12	if withCache {13		p.Caches["node_modules"] = &plan.Cache{Directory: NODE_MODULES_CACHE, Type: plan.CacheTypeShared}14	}15	return p16}17 18func TestCleanse_CachePresent_StepDoesNotRemoveNodeModules(t *testing.T) {19	p := buildPlan(true)20	step := plan.Step{Name: "build", Caches: []string{"node_modules"}}21	step.Commands = []plan.Command{plan.NewExecShellCommand("echo 'nothing to see'")}22	p.Steps = append(p.Steps, step)23 24	provider := &NodeProvider{}25	provider.CleansePlan(p)26 27	if !reflect.DeepEqual(p.Steps[0].Caches, []string{"node_modules"}) {28		t.Fatalf("expected cache to remain since step doesn't remove node_modules, got %#v", p.Steps[0].Caches)29	}30}31 32func TestCleanse_CachePresent_StepRemovesNodeModules(t *testing.T) {33	p := buildPlan(true)34	step := plan.Step{Name: "build", Caches: []string{"node_modules"}}35	step.Commands = []plan.Command{plan.NewExecShellCommand("rm -rf node_modules && echo done")}36	p.Steps = append(p.Steps, step)37 38	provider := &NodeProvider{}39	provider.CleansePlan(p)40 41	if len(p.Steps[0].Caches) != 0 {42		t.Fatalf("expected cache to be removed (nil or empty), got %#v", p.Steps[0].Caches)43	}44}45 46func TestCleanse_InstallStepAlwaysKeepsCache(t *testing.T) {47	p := buildPlan(true)48	install := plan.Step{Name: "install", Caches: []string{"node_modules"}}49	install.Commands = []plan.Command{plan.NewExecShellCommand("npm ci")}50	p.Steps = append(p.Steps, install)51 52	provider := &NodeProvider{}53	provider.CleansePlan(p)54 55	if !reflect.DeepEqual(p.Steps[0].Caches, []string{"node_modules"}) {56		t.Fatalf("expected install step cache to remain, got %#v", p.Steps[0].Caches)57	}58}59