128 lines
2.8 KiB
Go
128 lines
2.8 KiB
Go
package vain
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func equiv(a, b map[string]Package) (bool, []error) {
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equiv := true
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errs := []error{}
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if got, want := len(a), len(b); got != want {
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equiv = false
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errs = append(errs, fmt.Errorf("incorrect number of elements: got %d, want %d", got, want))
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return false, errs
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}
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for k := range a {
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v, ok := b[k]
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if !ok || v != a[k] {
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errs = append(errs, fmt.Errorf("missing key: %s", k))
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equiv = false
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break
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}
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}
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return equiv, errs
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}
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func TestSimpleStorage(t *testing.T) {
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root, err := ioutil.TempDir("", "vain-")
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if err != nil {
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t.Fatalf("problem creating temp dir: %v", err)
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}
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defer func() { os.RemoveAll(root) }()
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db := filepath.Join(root, "vain.json")
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ms := NewSimpleStore(db)
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orig := map[string]Package{
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"foo": {Vcs: "mercurial"},
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"bar": {Vcs: "bzr"},
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"baz": {},
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}
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for k, v := range orig {
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v.path = k
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orig[k] = v
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}
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ms.p = orig
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if err := ms.Save(); err != nil {
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t.Errorf("should have been able to Save: %v", err)
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}
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ms.p = map[string]Package{}
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if err := ms.Load(); err != nil {
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t.Errorf("should have been able to Load: %v", err)
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}
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if ok, errs := equiv(ms.p, orig); !ok {
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for _, err := range errs {
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t.Error(err)
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}
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}
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}
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func TestRemove(t *testing.T) {
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root, err := ioutil.TempDir("", "vain-")
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if err != nil {
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t.Fatalf("problem creating temp dir: %v", err)
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}
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defer func() { os.RemoveAll(root) }()
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db := filepath.Join(root, "vain.json")
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ms := NewSimpleStore(db)
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ms.p = map[string]Package{
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"foo": {},
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"bar": {},
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"baz": {},
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}
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if err := ms.Remove("foo"); err != nil {
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t.Errorf("unexpected error during remove: %v", err)
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}
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want := map[string]Package{
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"bar": {},
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"baz": {},
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}
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if ok, errs := equiv(ms.p, want); !ok {
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for _, err := range errs {
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t.Error(err)
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}
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}
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}
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func TestPackageJsonParsing(t *testing.T) {
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tests := []struct {
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input string
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output string
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parsed Package
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}{
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{
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input: `{"vcs":"git","repo":"https://s.mcquay.me/sm/ud/"}`,
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output: `{"vcs":"git","repo":"https://s.mcquay.me/sm/ud/"}`,
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parsed: Package{Vcs: "git", Repo: "https://s.mcquay.me/sm/ud/"},
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},
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{
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input: `{"vcs":"hg","repo":"https://s.mcquay.me/sm/ud/"}`,
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output: `{"vcs":"hg","repo":"https://s.mcquay.me/sm/ud/"}`,
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parsed: Package{Vcs: "hg", Repo: "https://s.mcquay.me/sm/ud/"},
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},
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}
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for _, test := range tests {
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p := Package{}
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if err := json.NewDecoder(strings.NewReader(test.input)).Decode(&p); err != nil {
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t.Error(err)
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}
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if p != test.parsed {
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t.Errorf("got:\n\t%v, want\n\t%v", p, test.parsed)
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}
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buf := &bytes.Buffer{}
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if err := json.NewEncoder(buf).Encode(&p); err != nil {
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t.Error(err)
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}
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if got, want := strings.TrimSpace(buf.String()), test.output; got != want {
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t.Errorf("got %v, want %v", got, want)
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}
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}
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}
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