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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package testing
import (
"reflect"
"regexp"
"unicode"
)
// Verify that our IsSpace agrees with unicode.IsSpace.
func TestIsSpace(t *T) {
n := 0
for r := rune(0); r <= unicode.MaxRune; r++ {
if isSpace(r) != unicode.IsSpace(r) {
t.Errorf("IsSpace(%U)=%t incorrect", r, isSpace(r))
n++
if n > 10 {
return
}
}
}
}
func TestSplitRegexp(t *T) {
res := func(s ...string) []string { return s }
testCases := []struct {
pattern string
result []string
}{
// Correct patterns
// If a regexp pattern is correct, all split regexps need to be correct
// as well.
{"", res("")},
{"/", res("", "")},
{"//", res("", "", "")},
{"A", res("A")},
{"A/B", res("A", "B")},
{"A/B/", res("A", "B", "")},
{"/A/B/", res("", "A", "B", "")},
{"[A]/(B)", res("[A]", "(B)")},
{"[/]/[/]", res("[/]", "[/]")},
{"[/]/[:/]", res("[/]", "[:/]")},
{"/]", res("", "]")},
{"]/", res("]", "")},
{"]/[/]", res("]", "[/]")},
{`([)/][(])`, res(`([)/][(])`)},
{"[(]/[)]", res("[(]", "[)]")},
// Faulty patterns
// Errors in original should produce at least one faulty regexp in results.
{")/", res(")/")},
{")/(/)", res(")/(", ")")},
{"a[/)b", res("a[/)b")},
{"(/]", res("(/]")},
{"(/", res("(/")},
{"[/]/[/", res("[/]", "[/")},
{`\p{/}`, res(`\p{`, "}")},
{`\p/`, res(`\p`, "")},
{`[[:/:]]`, res(`[[:/:]]`)},
}
for _, tc := range testCases {
a := splitRegexp(tc.pattern)
if !reflect.DeepEqual(a, tc.result) {
t.Errorf("splitRegexp(%q) = %#v; want %#v", tc.pattern, a, tc.result)
}
// If there is any error in the pattern, one of the returned subpatterns
// needs to have an error as well.
if _, err := regexp.Compile(tc.pattern); err != nil {
ok := true
for _, re := range a {
if _, err := regexp.Compile(re); err != nil {
ok = false
}
}
if ok {
t.Errorf("%s: expected error in any of %q", tc.pattern, a)
}
}
}
}
func TestMatcher(t *T) {
testCases := []struct {
pattern string
parent, sub string
ok bool
}{
// Behavior without subtests.
{"", "", "TestFoo", true},
{"TestFoo", "", "TestFoo", true},
{"TestFoo/", "", "TestFoo", true},
{"TestFoo/bar/baz", "", "TestFoo", true},
{"TestFoo", "", "TestBar", false},
{"TestFoo/", "", "TestBar", false},
{"TestFoo/bar/baz", "", "TestBar/bar/baz", false},
// with subtests
{"", "TestFoo", "x", true},
{"TestFoo", "TestFoo", "x", true},
{"TestFoo/", "TestFoo", "x", true},
{"TestFoo/bar/baz", "TestFoo", "bar", true},
// Subtest with a '/' in its name still allows for copy and pasted names
// to match.
{"TestFoo/bar/baz", "TestFoo", "bar/baz", true},
{"TestFoo/bar/baz", "TestFoo/bar", "baz", true},
{"TestFoo/bar/baz", "TestFoo", "x", false},
{"TestFoo", "TestBar", "x", false},
{"TestFoo/", "TestBar", "x", false},
{"TestFoo/bar/baz", "TestBar", "x/bar/baz", false},
// subtests only
{"", "TestFoo", "x", true},
{"/", "TestFoo", "x", true},
{"./", "TestFoo", "x", true},
{"./.", "TestFoo", "x", true},
{"/bar/baz", "TestFoo", "bar", true},
{"/bar/baz", "TestFoo", "bar/baz", true},
{"//baz", "TestFoo", "bar/baz", true},
{"//", "TestFoo", "bar/baz", true},
{"/bar/baz", "TestFoo/bar", "baz", true},
{"//foo", "TestFoo", "bar/baz", false},
{"/bar/baz", "TestFoo", "x", false},
{"/bar/baz", "TestBar", "x/bar/baz", false},
}
for _, tc := range testCases {
m := newMatcher(regexp.MatchString, tc.pattern, "-test.run")
parent := &common{name: tc.parent}
if tc.parent != "" {
parent.level = 1
}
if n, ok := m.fullName(parent, tc.sub); ok != tc.ok {
t.Errorf("for pattern %q, fullName(parent=%q, sub=%q) = %q, ok %v; want ok %v",
tc.pattern, tc.parent, tc.sub, n, ok, tc.ok)
}
}
}
func TestNaming(t *T) {
m := newMatcher(regexp.MatchString, "", "")
parent := &common{name: "x", level: 1} // top-level test.
// Rig the matcher with some preloaded values.
m.subNames["x/b"] = 1000
testCases := []struct {
name, want string
}{
// Uniqueness
{"", "x/#00"},
{"", "x/#01"},
{"t", "x/t"},
{"t", "x/t#01"},
{"t", "x/t#02"},
{"a#01", "x/a#01"}, // user has subtest with this name.
{"a", "x/a"}, // doesn't conflict with this name.
{"a", "x/a#01#01"}, // conflict, add disambiguating string.
{"a", "x/a#02"}, // This string is claimed now, so resume
{"a", "x/a#03"}, // with counting.
{"a#02", "x/a#02#01"},
{"b", "x/b#1000"}, // rigged, see above
{"b", "x/b#1001"},
// // Sanitizing
{"A:1 B:2", "x/A:1_B:2"},
{"s\t\r\u00a0", "x/s___"},
{"\x01", `x/\x01`},
{"\U0010ffff", `x/\U0010ffff`},
}
for i, tc := range testCases {
if got, _ := m.fullName(parent, tc.name); got != tc.want {
t.Errorf("%d:%s: got %q; want %q", i, tc.name, got, tc.want)
}
}
}