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whatsnew_test.go
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whatsnew_test.go
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// Copyright (c) 2021 James Bowes. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package whatsnew_test
import (
"context"
"errors"
"testing"
"github.com/jbowes/whatsnew"
"github.com/jbowes/whatsnew/impl"
)
type testCacher struct {
info *impl.Info
err error
}
func (t *testCacher) Get(context.Context) (*impl.Info, error) { return t.info, t.err }
func (testCacher) Set(context.Context, *impl.Info) error { return nil }
type testReleaser struct {
releases []impl.Release
err error
}
func (t *testReleaser) Get(context.Context, string) ([]impl.Release, string, error) {
return t.releases, "some-etag", t.err
}
func TestCheck(t *testing.T) {
ctx := context.Background()
tcs := map[string]struct {
releases []impl.Release
cacheErr error
out string
}{
"ok": {
releases: []impl.Release{{TagName: "v1.0.1"}},
out: "v1.0.1",
},
"no update": {out: ""},
"draft skipped": {
releases: []impl.Release{{TagName: "v1.0.1", Draft: true}},
out: "",
},
"non-semver ignored": {
releases: []impl.Release{{TagName: "cookies"}},
out: "",
},
"prerelease skipped": {
releases: []impl.Release{{TagName: "v1.0.1", Prerelease: true}},
out: "",
},
"prerelease (semver) skipped": {
releases: []impl.Release{{TagName: "v1.0.1-beta.2"}},
out: "",
},
"newest used": {
releases: []impl.Release{
{TagName: "v1.0.1"},
{TagName: "v1.1.1"},
{TagName: "v1.0.2"},
},
out: "v1.1.1",
},
"no v prefix allowed": {
releases: []impl.Release{
{TagName: "v1.0.1"},
{TagName: "1.1.1"},
{TagName: "1.0.2"},
},
out: "1.1.1",
},
"cacher get err": {
releases: []impl.Release{{TagName: "v1.1.1"}},
cacheErr: errors.New("oops"),
out: "v1.1.1",
},
}
for name, tc := range tcs {
t.Run(name, func(t *testing.T) {
fut := whatsnew.Check(ctx, &whatsnew.Options{
Version: "v1.0.0",
Cacher: &testCacher{info: &impl.Info{}, err: tc.cacheErr},
Releaser: &testReleaser{releases: tc.releases},
})
res, err := fut.Get()
if res != tc.out {
t.Errorf("versions did not match. got: %s, want: %s", res, tc.out)
}
if err != nil {
t.Errorf("expected nil error. got: %s", err)
}
})
}
}
func TestCheck_fallsBackToCacheOnReleaserError(t *testing.T) {
ctx := context.Background()
fut := whatsnew.Check(ctx, &whatsnew.Options{
Version: "v1.0.0",
Cacher: &testCacher{info: &impl.Info{Version: "v1.0.1"}},
Releaser: &testReleaser{err: errors.New("oops")},
})
res, err := fut.Get()
if res != "v1.0.1" {
t.Errorf("versions did not match. got: %s, want: %s", res, "v1.0.1")
}
if err != nil {
t.Errorf("expected nil error. got: %s", err)
}
}
func TestCheck_errOnBothCacheOptions(t *testing.T) {
ctx := context.Background()
fut := whatsnew.Check(ctx, &whatsnew.Options{
Version: "v1.0.0",
Slug: "you/your-repo",
Cache: "unused-cache.json",
Cacher: &testCacher{info: &impl.Info{Version: "v1.0.1"}},
})
_, err := fut.Get()
if !errors.Is(err, whatsnew.ErrMisconfiguredOptions) {
t.Errorf("expected misconfigured error. got: %s", err)
}
}
func TestCheck_errOnBothReleaserOptions(t *testing.T) {
ctx := context.Background()
fut := whatsnew.Check(ctx, &whatsnew.Options{
Version: "v1.0.0",
Cache: "unused-cache.json",
Slug: "unused/slug",
Releaser: &testReleaser{err: errors.New("oops")},
})
_, err := fut.Get()
if !errors.Is(err, whatsnew.ErrMisconfiguredOptions) {
t.Errorf("expected misconfigured error. got: %s", err)
}
}
func TestRun_isRepeatable(t *testing.T) {
ctx := context.Background()
fut := whatsnew.Check(ctx, &whatsnew.Options{
Version: "v1.0.0",
Cacher: &testCacher{info: &impl.Info{}},
Releaser: &testReleaser{releases: []impl.Release{{TagName: "v1.0.1"}}},
})
res, err := fut.Get()
if res != "v1.0.1" {
t.Errorf("versions did not match. got: %s, want: %s", res, "v1.0.1")
}
if err != nil {
t.Errorf("expected nil error. got: %s", err)
}
res2, err2 := fut.Get()
if res != res2 {
t.Errorf("repeated versions did not match. got: %s, want: %s", res2, res)
}
if err != nil {
t.Errorf("repeated error not nil. got: %s", err2)
}
}