diff options
Diffstat (limited to 'tpl')
-rw-r--r-- | tpl/strings/strings.go | 26 | ||||
-rw-r--r-- | tpl/strings/strings_test.go | 50 |
2 files changed, 54 insertions, 22 deletions
diff --git a/tpl/strings/strings.go b/tpl/strings/strings.go index e6f7aed80..02f9a2b1e 100644 --- a/tpl/strings/strings.go +++ b/tpl/strings/strings.go @@ -162,24 +162,32 @@ func (ns *Namespace) ContainsAny(s, chars any) (bool, error) { // ContainsNonSpace reports whether s contains any non-space characters as defined // by Unicode's White Space property, // <docsmeta>{"newIn": "0.111.0" }</docsmeta> -func (ns *Namespace) ContainsNonSpace(s any) bool { - ss := cast.ToString(s) +func (ns *Namespace) ContainsNonSpace(s any) (bool, error) { + ss, err := cast.ToStringE(s) + if err != nil { + return false, err + } for _, r := range ss { if !unicode.IsSpace(r) { - return true + return true, nil } } - return false + return false, nil } // Diff returns an anchored diff of the two texts old and new in the “unified // diff” format. If old and new are identical, Diff returns an empty string. -func (ns *Namespace) Diff(oldname string, old any, newname string, new any) string { - oldb := []byte(cast.ToString(old)) - newb := []byte(cast.ToString(new)) - - return string(diff.Diff(oldname, oldb, newname, newb)) +func (ns *Namespace) Diff(oldname string, old any, newname string, new any) (string, error) { + olds, err := cast.ToStringE(old) + if err != nil { + return "", err + } + news, err := cast.ToStringE(new) + if err != nil { + return "", err + } + return string(diff.Diff(oldname, []byte(olds), newname, []byte(news))), nil } // HasPrefix tests whether the input s begins with prefix. diff --git a/tpl/strings/strings_test.go b/tpl/strings/strings_test.go index 92767925a..4fcd3b59a 100644 --- a/tpl/strings/strings_test.go +++ b/tpl/strings/strings_test.go @@ -153,17 +153,30 @@ func TestContainsNonSpace(t *testing.T) { for _, test := range []struct { s any expect bool + isErr bool }{ - {"", false}, - {" ", false}, - {" ", false}, - {"\t", false}, - {"\r", false}, - {"a", true}, - {" a", true}, - {"a\n", true}, + {"", false, false}, + {" ", false, false}, + {" ", false, false}, + {"\t", false, false}, + {"\r", false, false}, + {"a", true, false}, + {" a", true, false}, + {"a\n", true, false}, + // error + {tstNoStringer{}, false, true}, } { - c.Assert(ns.ContainsNonSpace(test.s), qt.Equals, test.expect) + + result, err := ns.ContainsNonSpace(test.s) + + if test.isErr { + c.Assert(err, qt.IsNotNil) + continue + } + + c.Assert(err, qt.IsNil) + c.Assert(result, qt.Equals, test.expect) + } } @@ -812,21 +825,32 @@ func TestDiff(t *testing.T) { t.Parallel() c := qt.New(t) - for _, tt := range []struct { + for _, test := range []struct { oldname string old any newname string new any - expect string + expect any }{ {"old", "foo\n", "new", "bar\n", "diff old new\n--- old\n+++ new\n@@ -1,1 +1,1 @@\n-foo\n+bar\n"}, {"old", "foo\n", "new", "foo\n", ""}, {"old", "foo\n", "new", "", "diff old new\n--- old\n+++ new\n@@ -1,1 +0,0 @@\n-foo\n"}, {"old", "foo\n", "new", nil, "diff old new\n--- old\n+++ new\n@@ -1,1 +0,0 @@\n-foo\n"}, {"old", "", "new", "", ""}, + // errors + {"old", tstNoStringer{}, "new", "foo", false}, + {"old", "foo", "new", tstNoStringer{}, false}, } { - result := ns.Diff(tt.oldname, tt.old, tt.newname, tt.new) - c.Assert(result, qt.Equals, tt.expect) + result, err := ns.Diff(test.oldname, test.old, test.newname, test.new) + + if b, ok := test.expect.(bool); ok && !b { + c.Assert(err, qt.Not(qt.IsNil)) + continue + } + + c.Assert(err, qt.IsNil) + c.Assert(result, qt.Equals, test.expect) + } } |