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reference: refactor grammar and regular expressions

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To resolve some inconsistencies between the grammar and the regular
expressions, the grammar has been slightly refactored to match the intent. The
regular expressions have been redefined with the same structure to make it
easier to verify the grammar is correct.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2015-12-04 14:40:09 -08:00
parent 568bf038af
commit 3150937b9f
3 changed files with 115 additions and 36 deletions
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10
reference/regexp_test.go
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@ -119,6 +119,11 @@ func TestHostRegexp(t *testing.T) {
}
func TestFullNameRegexp(t *testing.T) {
if anchoredNameRegexp.NumSubexp() != 2 {
t.Fatalf("anchored name regexp should have two submatches: %v, %v != 2",
anchoredNameRegexp, anchoredNameRegexp.NumSubexp())
}
testcases := []regexpMatch{
{
input: "",
@ -401,6 +406,11 @@ func TestFullNameRegexp(t *testing.T) {
}
func TestReferenceRegexp(t *testing.T) {
if ReferenceRegexp.NumSubexp() != 3 {
t.Fatalf("anchored name regexp should have three submatches: %v, %v != 3",
ReferenceRegexp, ReferenceRegexp.NumSubexp())
}
testcases := []regexpMatch{
{
input: "registry.com:8080/myapp:tag",