/usr/share/gocode/src/github.com/googleapis/gax-go/path_template_test.go is in golang-github-googleapis-gax-go-dev 0.0~git20161107.0.da06d19-1.
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//
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// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package gax
import "testing"
func TestPathTemplateMatchRender(t *testing.T) {
testCases := []struct {
message string
template string
path string
values map[string]string
}{
{
"base",
"buckets/*/*/objects/*",
"buckets/f/o/objects/bar",
map[string]string{"$0": "f", "$1": "o", "$2": "bar"},
},
{
"path wildcards",
"bar/**/foo/*",
"bar/foo/foo/foo/bar",
map[string]string{"$0": "foo/foo", "$1": "bar"},
},
{
"named binding",
"buckets/{foo}/objects/*",
"buckets/foo/objects/bar",
map[string]string{"$0": "bar", "foo": "foo"},
},
{
"named binding with colon",
"buckets/{foo}/objects/*",
"buckets/foo:boo/objects/bar",
map[string]string{"$0": "bar", "foo": "foo:boo"},
},
{
"named binding with complex patterns",
"buckets/{foo=x/*/y/**}/objects/*",
"buckets/x/foo/y/bar/baz/objects/quox",
map[string]string{"$0": "quox", "foo": "x/foo/y/bar/baz"},
},
{
"starts with slash",
"/foo/*",
"/foo/bar",
map[string]string{"$0": "bar"},
},
}
for _, testCase := range testCases {
pt, err := NewPathTemplate(testCase.template)
if err != nil {
t.Errorf("[%s] Failed to parse template %s: %v", testCase.message, testCase.template, err)
continue
}
values, err := pt.Match(testCase.path)
if err != nil {
t.Errorf("[%s] PathTemplate '%s' failed to match with '%s', %v", testCase.message, testCase.template, testCase.path, err)
continue
}
for key, expected := range testCase.values {
actual, ok := values[key]
if !ok {
t.Errorf("[%s] The matched data misses the value for %s", testCase.message, key)
continue
}
delete(values, key)
if actual != expected {
t.Errorf("[%s] Failed to match: value for '%s' is expected '%s' but is actually '%s'", testCase.message, key, expected, actual)
}
}
if len(values) != 0 {
t.Errorf("[%s] The matched data has unexpected keys: %v", testCase.message, values)
}
built, err := pt.Render(testCase.values)
if err != nil || built != testCase.path {
t.Errorf("[%s] Built path '%s' is different from the expected '%s', %v", testCase.message, built, testCase.path, err)
}
}
}
func TestPathTemplateMatchFailure(t *testing.T) {
testCases := []struct {
message string
template string
path string
}{
{
"too many paths",
"buckets/*/*/objects/*",
"buckets/f/o/o/objects/bar",
},
{
"missing last path",
"buckets/*/*/objects/*",
"buckets/f/o/objects",
},
{
"too many paths at end",
"buckets/*/*/objects/*",
"buckets/f/o/objects/too/long",
},
}
for _, testCase := range testCases {
pt, err := NewPathTemplate(testCase.template)
if err != nil {
t.Errorf("[%s] Failed to parse path %s: %v", testCase.message, testCase.template, err)
continue
}
if values, err := pt.Match(testCase.path); err == nil {
t.Errorf("[%s] PathTemplate %s doesn't expect to match %s, but succeeded somehow. Match result: %v", testCase.message, testCase.template, testCase.path, values)
}
}
}
func TestPathTemplateRenderTooManyValues(t *testing.T) {
// Test cases where Render() succeeds but Match() doesn't return the same map.
testCases := []struct {
message string
template string
values map[string]string
expected string
}{
{
"too many",
"bar/*/foo/*",
map[string]string{"$0": "_1", "$1": "_2", "$2": "_3"},
"bar/_1/foo/_2",
},
}
for _, testCase := range testCases {
pt, err := NewPathTemplate(testCase.template)
if err != nil {
t.Errorf("[%s] Failed to parse template %s (error %v)", testCase.message, testCase.template, err)
continue
}
if result, err := pt.Render(testCase.values); err != nil || result != testCase.expected {
t.Errorf("[%s] Failed to build the path (expected '%s' but returned '%s'", testCase.message, testCase.expected, result)
}
}
}
func TestPathTemplateParseErrors(t *testing.T) {
testCases := []struct {
message string
template string
}{
{
"multiple path wildcards",
"foo/**/bar/**",
},
{
"recursive named bindings",
"foo/{foo=foo/{bar}/baz/*}/baz/*",
},
{
"complicated multiple path wildcards patterns",
"foo/{foo=foo/**/bar/*}/baz/**",
},
{
"consective slashes",
"foo//bar",
},
{
"invalid variable pattern",
"foo/{foo=foo/*/}bar",
},
{
"same name multiple times",
"foo/{foo}/bar/{foo}",
},
{
"empty string after '='",
"foo/{foo=}/bar",
},
}
for _, testCase := range testCases {
if pt, err := NewPathTemplate(testCase.template); err == nil {
t.Errorf("[%s] Template '%s' should fail to be parsed, but succeeded and returned %+v", testCase.message, testCase.template, pt)
}
}
}
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