105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package pretty
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
type S struct {
|
|
X int
|
|
Y bool
|
|
z *string
|
|
}
|
|
|
|
func TestSprint(t *testing.T) {
|
|
Indent = "~"
|
|
i := 17
|
|
|
|
for _, test := range []struct {
|
|
value interface{}
|
|
want string
|
|
}{
|
|
// primitives and pointer
|
|
{nil, "nil"},
|
|
{3, "3"},
|
|
{9.8, "9.8"},
|
|
{true, "true"},
|
|
{"foo", `"foo"`},
|
|
{&i, "&17"},
|
|
// array and slice
|
|
{[3]int{1, 2, 3}, "[3]int{\n~1,\n~2,\n~3,\n}"},
|
|
{[]int{1, 2, 3}, "[]int{\n~1,\n~2,\n~3,\n}"},
|
|
{[]int{}, "[]int{}"},
|
|
{[]string{"foo"}, "[]string{\n~\"foo\",\n}"},
|
|
// map
|
|
{map[int]bool{}, "map[int]bool{}"},
|
|
{map[int]bool{1: true, 2: false, 3: true},
|
|
"map[int]bool{\n~1: true,\n~3: true,\n}"},
|
|
// struct
|
|
{S{}, "pretty.S{\n}"},
|
|
{S{3, true, ptr("foo")},
|
|
"pretty.S{\n~X: 3,\n~Y: true,\n~z: &\"foo\",\n}"},
|
|
// interface
|
|
{[]interface{}{&i}, "[]interface {}{\n~&17,\n}"},
|
|
// nesting
|
|
{[]S{{1, false, ptr("a")}, {2, true, ptr("b")}},
|
|
`[]pretty.S{
|
|
~pretty.S{
|
|
~~X: 1,
|
|
~~z: &"a",
|
|
~},
|
|
~pretty.S{
|
|
~~X: 2,
|
|
~~Y: true,
|
|
~~z: &"b",
|
|
~},
|
|
}`},
|
|
} {
|
|
got := fmt.Sprintf("%v", Value(test.value))
|
|
if got != test.want {
|
|
t.Errorf("%v: got:\n%q\nwant:\n%q", test.value, got, test.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWithDefaults(t *testing.T) {
|
|
Indent = "~"
|
|
for _, test := range []struct {
|
|
value interface{}
|
|
want string
|
|
}{
|
|
{map[int]bool{1: true, 2: false, 3: true},
|
|
"map[int]bool{\n~1: true,\n~2: false,\n~3: true,\n}"},
|
|
{S{}, "pretty.S{\n~X: 0,\n~Y: false,\n~z: nil,\n}"},
|
|
} {
|
|
got := fmt.Sprintf("%+v", Value(test.value))
|
|
if got != test.want {
|
|
t.Errorf("%v: got:\n%q\nwant:\n%q", test.value, got, test.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBadVerb(t *testing.T) {
|
|
got := fmt.Sprintf("%d", Value(8))
|
|
want := "%!d("
|
|
if !strings.HasPrefix(got, want) {
|
|
t.Errorf("got %q, want prefix %q", got, want)
|
|
}
|
|
}
|
|
|
|
func ptr(s string) *string { return &s }
|