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connector/gitlab: Fix regexp in Link parser

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Lars Sjöström 2017-09-28 15:43:42 +02:00 committed by Lars Sjöström
parent 0aabf2d1ea
commit 4605fdd551
2 changed files with 55 additions and 17 deletions
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42
connector/gitlab/gitlab.go
View file

@ -22,6 +22,11 @@ const (
scopeAPI = "api"
)
var (
reNext = regexp.MustCompile("<([^>]+)>; rel=\"next\"")
reLast = regexp.MustCompile("<([^>]+)>; rel=\"last\"")
)
// Config holds configuration options for gilab logins.
type Config struct {
BaseURL string `json:"baseURL"`
@ -236,9 +241,6 @@ func (c *gitlabConnector) groups(ctx context.Context, client *http.Client) ([]st
apiURL := c.baseURL + "/api/v4/groups"
reNext := regexp.MustCompile("<(.*)>; rel=\"next\"")
reLast := regexp.MustCompile("<(.*)>; rel=\"last\"")
groups := []string{}
var gitlabGroups []gitlabGroup
for {
@ -272,22 +274,28 @@ func (c *gitlabConnector) groups(ctx context.Context, client *http.Client) ([]st
link := resp.Header.Get("Link")
if len(reLast.FindStringSubmatch(link)) > 1 {
lastPageURL := reLast.FindStringSubmatch(link)[1]
if apiURL == lastPageURL {
apiURL = nextURL(apiURL, link)
if apiURL == "" {
break
}
} else {
break
}
if len(reNext.FindStringSubmatch(link)) > 1 {
apiURL = reNext.FindStringSubmatch(link)[1]
} else {
break
}
}
return groups, nil
}
func nextURL(url string, link string) string {
if len(reLast.FindStringSubmatch(link)) > 1 {
lastPageURL := reLast.FindStringSubmatch(link)[1]
if url == lastPageURL {
return ""
}
} else {
return ""
}
if len(reNext.FindStringSubmatch(link)) > 1 {
return reNext.FindStringSubmatch(link)[1]
}
return ""
}

30
connector/gitlab/gitlab_test.go Normal file
View file

@ -0,0 +1,30 @@
package gitlab
import "testing"
var nextURLTests = []struct {
link string
expected string
}{
{"<https://gitlab.com/api/v4/groups?page=2&per_page=20>; rel=\"next\", " +
"<https://gitlab.com/api/v4/groups?page=1&per_page=20>; rel=\"prev\"; pet=\"cat\", " +
"<https://gitlab.com/api/v4/groups?page=3&per_page=20>; rel=\"last\"",
"https://gitlab.com/api/v4/groups?page=2&per_page=20"},
{"<https://gitlab.com/api/v4/groups?page=3&per_page=20>; rel=\"next\", " +
"<https://gitlab.com/api/v4/groups?page=2&per_page=20>; rel=\"prev\"; pet=\"dog\", " +
"<https://gitlab.com/api/v4/groups?page=3&per_page=20>; rel=\"last\"",
"https://gitlab.com/api/v4/groups?page=3&per_page=20"},
{"<https://gitlab.com/api/v4/groups?page=3&per_page=20>; rel=\"prev\"; pet=\"bunny\", " +
"<https://gitlab.com/api/v4/groups?page=3&per_page=20>; rel=\"last\"",
""},
}
func TestNextURL(t *testing.T) {
apiURL := "https://gitlab.com/api/v4/groups"
for _, tt := range nextURLTests {
apiURL = nextURL(apiURL, tt.link)
if apiURL != tt.expected {
t.Errorf("Should have returned %s, got %s", tt.expected, apiURL)
}
}
}