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added Reference.Child #6

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added Reference.Child #6

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20 changes: 20 additions & 0 deletions firebase.go
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Original file line number Diff line number Diff line change
Expand Up @@ -200,3 +200,23 @@ func (r *Reference) Delete() error {

return nil
}

func (r *Reference) Child(path string) *Reference {
url := r.url

// Append path.
if url[len(url)-1] == '/' {
url = url[:len(url)-1]
}
if path[0] == '/' {
url += path
} else {
url += "/" + path
}

// Transfer token.
ref := NewReference(url)
ref.token = r.token

return ref
}
20 changes: 20 additions & 0 deletions firebase_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -239,3 +239,23 @@ func TestThatExportWorks(t *testing.T) {
r = NewReference(url).Export(true).Export(false)
_ = r
}

func TestThatChildWorks(t *testing.T) {
url := "https://SampleChat.firebaseIO-demo.com/users/fred"

parent := NewReference(url).Auth("secret-token")

child := parent.Child("name")
if child.url != url+"/name" {
t.Error("Expected child URL to equal", url+"/name", ", got", child.url)
}

child = parent.Child("/name")
if child.url != url+"/name" {
t.Error("Expected child URL to equal", url+"/name", ", got", child.url)
}

if child.token != parent.token {
t.Error("Expected child to receive parent's auth token.")
}
}