diff options
Diffstat (limited to 'src/pkg/template/set_test.go')
| -rw-r--r-- | src/pkg/template/set_test.go | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/pkg/template/set_test.go b/src/pkg/template/set_test.go new file mode 100644 index 000000000..f437bc779 --- /dev/null +++ b/src/pkg/template/set_test.go @@ -0,0 +1,239 @@ +// Copyright 2011 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 template + +import ( + "fmt" + "testing" +) + +const ( + noError = true + hasError = false +) + +type setParseTest struct { + name string + input string + ok bool + names []string + results []string +} + +var setParseTests = []setParseTest{ + {"empty", "", noError, + nil, + nil}, + {"one", `{{define "foo"}} FOO {{end}}`, noError, + []string{"foo"}, + []string{`[(text: " FOO ")]`}}, + {"two", `{{define "foo"}} FOO {{end}}{{define "bar"}} BAR {{end}}`, noError, + []string{"foo", "bar"}, + []string{`[(text: " FOO ")]`, `[(text: " BAR ")]`}}, + // errors + {"missing end", `{{define "foo"}} FOO `, hasError, + nil, + nil}, + {"malformed name", `{{define "foo}} FOO `, hasError, + nil, + nil}, +} + +func TestSetParse(t *testing.T) { + for _, test := range setParseTests { + set, err := new(Set).Parse(test.input) + switch { + case err == nil && !test.ok: + t.Errorf("%q: expected error; got none", test.name) + continue + case err != nil && test.ok: + t.Errorf("%q: unexpected error: %v", test.name, err) + continue + case err != nil && !test.ok: + // expected error, got one + if *debug { + fmt.Printf("%s: %s\n\t%s\n", test.name, test.input, err) + } + continue + } + if set == nil { + continue + } + if len(set.tmpl) != len(test.names) { + t.Errorf("%s: wrong number of templates; wanted %d got %d", test.name, len(test.names), len(set.tmpl)) + continue + } + for i, name := range test.names { + tmpl, ok := set.tmpl[name] + if !ok { + t.Errorf("%s: can't find template %q", test.name, name) + continue + } + result := tmpl.Root.String() + if result != test.results[i] { + t.Errorf("%s=(%q): got\n\t%v\nexpected\n\t%v", test.name, test.input, result, test.results[i]) + } + } + } +} + +var setExecTests = []execTest{ + {"empty", "", "", nil, true}, + {"text", "some text", "some text", nil, true}, + {"invoke x", `{{template "x" .SI}}`, "TEXT", tVal, true}, + {"invoke x no args", `{{template "x"}}`, "TEXT", tVal, true}, + {"invoke dot int", `{{template "dot" .I}}`, "17", tVal, true}, + {"invoke dot []int", `{{template "dot" .SI}}`, "[3 4 5]", tVal, true}, + {"invoke dotV", `{{template "dotV" .U}}`, "v", tVal, true}, + {"invoke nested int", `{{template "nested" .I}}`, "17", tVal, true}, + {"variable declared by template", `{{template "nested" $x=.SI}},{{index $x 1}}`, "[3 4 5],4", tVal, true}, + + // User-defined function: test argument evaluator. + {"testFunc literal", `{{oneArg "joe"}}`, "oneArg=joe", tVal, true}, + {"testFunc .", `{{oneArg .}}`, "oneArg=joe", "joe", true}, +} + +// These strings are also in testdata/*. +const setText1 = ` + {{define "x"}}TEXT{{end}} + {{define "dotV"}}{{.V}}{{end}} +` + +const setText2 = ` + {{define "dot"}}{{.}}{{end}} + {{define "nested"}}{{template "dot" .}}{{end}} +` + +func TestSetExecute(t *testing.T) { + // Declare a set with a couple of templates first. + set := new(Set) + _, err := set.Parse(setText1) + if err != nil { + t.Fatalf("error parsing set: %s", err) + } + _, err = set.Parse(setText2) + if err != nil { + t.Fatalf("error parsing set: %s", err) + } + testExecute(setExecTests, set, t) +} + +func TestSetParseFiles(t *testing.T) { + set := new(Set) + _, err := set.ParseFiles("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + _, err = set.ParseFiles("testdata/file1.tmpl", "testdata/file2.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(setExecTests, set, t) +} + +func TestParseSetFiles(t *testing.T) { + set := new(Set) + _, err := ParseSetFiles("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + set, err = ParseSetFiles("testdata/file1.tmpl", "testdata/file2.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(setExecTests, set, t) +} + +func TestSetParseGlob(t *testing.T) { + _, err := new(Set).ParseGlob("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + _, err = new(Set).ParseGlob("[x") + if err == nil { + t.Error("expected error for bad pattern; got none") + } + set, err := new(Set).ParseGlob("testdata/file*.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(setExecTests, set, t) +} + +func TestParseSetGlob(t *testing.T) { + _, err := ParseSetGlob("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + _, err = ParseSetGlob("[x") + if err == nil { + t.Error("expected error for bad pattern; got none") + } + set, err := ParseSetGlob("testdata/file*.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(setExecTests, set, t) +} + +var templateFileExecTests = []execTest{ + {"test", `{{template "tmpl1.tmpl"}}{{template "tmpl2.tmpl"}}`, "template1\ntemplate2\n", 0, true}, +} + +func TestSetParseTemplateFiles(t *testing.T) { + _, err := ParseTemplateFiles("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + set, err := new(Set).ParseTemplateFiles("testdata/tmpl1.tmpl", "testdata/tmpl2.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(templateFileExecTests, set, t) +} + +func TestParseTemplateFiles(t *testing.T) { + _, err := ParseTemplateFiles("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + set, err := new(Set).ParseTemplateFiles("testdata/tmpl1.tmpl", "testdata/tmpl2.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(templateFileExecTests, set, t) +} + +func TestSetParseTemplateGlob(t *testing.T) { + _, err := ParseTemplateGlob("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + _, err = new(Set).ParseTemplateGlob("[x") + if err == nil { + t.Error("expected error for bad pattern; got none") + } + set, err := new(Set).ParseTemplateGlob("testdata/tmpl*.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(templateFileExecTests, set, t) +} + +func TestParseTemplateGlob(t *testing.T) { + _, err := ParseTemplateGlob("DOES NOT EXIST") + if err == nil { + t.Error("expected error for non-existent file; got none") + } + _, err = ParseTemplateGlob("[x") + if err == nil { + t.Error("expected error for bad pattern; got none") + } + set, err := ParseTemplateGlob("testdata/tmpl*.tmpl") + if err != nil { + t.Fatalf("error parsing files: %v", err) + } + testExecute(templateFileExecTests, set, t) +} |