+++ /dev/null
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew_test
-
-import (
- "fmt"
- "reflect"
- "testing"
-
- "github.com/davecgh/go-spew/spew"
-)
-
-// custom type to test Stinger interface on non-pointer receiver.
-type stringer string
-
-// String implements the Stringer interface for testing invocation of custom
-// stringers on types with non-pointer receivers.
-func (s stringer) String() string {
- return "stringer " + string(s)
-}
-
-// custom type to test Stinger interface on pointer receiver.
-type pstringer string
-
-// String implements the Stringer interface for testing invocation of custom
-// stringers on types with only pointer receivers.
-func (s *pstringer) String() string {
- return "stringer " + string(*s)
-}
-
-// xref1 and xref2 are cross referencing structs for testing circular reference
-// detection.
-type xref1 struct {
- ps2 *xref2
-}
-type xref2 struct {
- ps1 *xref1
-}
-
-// indirCir1, indirCir2, and indirCir3 are used to generate an indirect circular
-// reference for testing detection.
-type indirCir1 struct {
- ps2 *indirCir2
-}
-type indirCir2 struct {
- ps3 *indirCir3
-}
-type indirCir3 struct {
- ps1 *indirCir1
-}
-
-// embed is used to test embedded structures.
-type embed struct {
- a string
-}
-
-// embedwrap is used to test embedded structures.
-type embedwrap struct {
- *embed
- e *embed
-}
-
-// panicer is used to intentionally cause a panic for testing spew properly
-// handles them
-type panicer int
-
-func (p panicer) String() string {
- panic("test panic")
-}
-
-// customError is used to test custom error interface invocation.
-type customError int
-
-func (e customError) Error() string {
- return fmt.Sprintf("error: %d", int(e))
-}
-
-// stringizeWants converts a slice of wanted test output into a format suitable
-// for a test error message.
-func stringizeWants(wants []string) string {
- s := ""
- for i, want := range wants {
- if i > 0 {
- s += fmt.Sprintf("want%d: %s", i+1, want)
- } else {
- s += "want: " + want
- }
- }
- return s
-}
-
-// testFailed returns whether or not a test failed by checking if the result
-// of the test is in the slice of wanted strings.
-func testFailed(result string, wants []string) bool {
- for _, want := range wants {
- if result == want {
- return false
- }
- }
- return true
-}
-
-type sortableStruct struct {
- x int
-}
-
-func (ss sortableStruct) String() string {
- return fmt.Sprintf("ss.%d", ss.x)
-}
-
-type unsortableStruct struct {
- x int
-}
-
-type sortTestCase struct {
- input []reflect.Value
- expected []reflect.Value
-}
-
-func helpTestSortValues(tests []sortTestCase, cs *spew.ConfigState, t *testing.T) {
- getInterfaces := func(values []reflect.Value) []interface{} {
- interfaces := []interface{}{}
- for _, v := range values {
- interfaces = append(interfaces, v.Interface())
- }
- return interfaces
- }
-
- for _, test := range tests {
- spew.SortValues(test.input, cs)
- // reflect.DeepEqual cannot really make sense of reflect.Value,
- // probably because of all the pointer tricks. For instance,
- // v(2.0) != v(2.0) on a 32-bits system. Turn them into interface{}
- // instead.
- input := getInterfaces(test.input)
- expected := getInterfaces(test.expected)
- if !reflect.DeepEqual(input, expected) {
- t.Errorf("Sort mismatch:\n %v != %v", input, expected)
- }
- }
-}
-
-// TestSortValues ensures the sort functionality for relect.Value based sorting
-// works as intended.
-func TestSortValues(t *testing.T) {
- v := reflect.ValueOf
-
- a := v("a")
- b := v("b")
- c := v("c")
- embedA := v(embed{"a"})
- embedB := v(embed{"b"})
- embedC := v(embed{"c"})
- tests := []sortTestCase{
- // No values.
- {
- []reflect.Value{},
- []reflect.Value{},
- },
- // Bools.
- {
- []reflect.Value{v(false), v(true), v(false)},
- []reflect.Value{v(false), v(false), v(true)},
- },
- // Ints.
- {
- []reflect.Value{v(2), v(1), v(3)},
- []reflect.Value{v(1), v(2), v(3)},
- },
- // Uints.
- {
- []reflect.Value{v(uint8(2)), v(uint8(1)), v(uint8(3))},
- []reflect.Value{v(uint8(1)), v(uint8(2)), v(uint8(3))},
- },
- // Floats.
- {
- []reflect.Value{v(2.0), v(1.0), v(3.0)},
- []reflect.Value{v(1.0), v(2.0), v(3.0)},
- },
- // Strings.
- {
- []reflect.Value{b, a, c},
- []reflect.Value{a, b, c},
- },
- // Array
- {
- []reflect.Value{v([3]int{3, 2, 1}), v([3]int{1, 3, 2}), v([3]int{1, 2, 3})},
- []reflect.Value{v([3]int{1, 2, 3}), v([3]int{1, 3, 2}), v([3]int{3, 2, 1})},
- },
- // Uintptrs.
- {
- []reflect.Value{v(uintptr(2)), v(uintptr(1)), v(uintptr(3))},
- []reflect.Value{v(uintptr(1)), v(uintptr(2)), v(uintptr(3))},
- },
- // SortableStructs.
- {
- // Note: not sorted - DisableMethods is set.
- []reflect.Value{v(sortableStruct{2}), v(sortableStruct{1}), v(sortableStruct{3})},
- []reflect.Value{v(sortableStruct{2}), v(sortableStruct{1}), v(sortableStruct{3})},
- },
- // UnsortableStructs.
- {
- // Note: not sorted - SpewKeys is false.
- []reflect.Value{v(unsortableStruct{2}), v(unsortableStruct{1}), v(unsortableStruct{3})},
- []reflect.Value{v(unsortableStruct{2}), v(unsortableStruct{1}), v(unsortableStruct{3})},
- },
- // Invalid.
- {
- []reflect.Value{embedB, embedA, embedC},
- []reflect.Value{embedB, embedA, embedC},
- },
- }
- cs := spew.ConfigState{DisableMethods: true, SpewKeys: false}
- helpTestSortValues(tests, &cs, t)
-}
-
-// TestSortValuesWithMethods ensures the sort functionality for relect.Value
-// based sorting works as intended when using string methods.
-func TestSortValuesWithMethods(t *testing.T) {
- v := reflect.ValueOf
-
- a := v("a")
- b := v("b")
- c := v("c")
- tests := []sortTestCase{
- // Ints.
- {
- []reflect.Value{v(2), v(1), v(3)},
- []reflect.Value{v(1), v(2), v(3)},
- },
- // Strings.
- {
- []reflect.Value{b, a, c},
- []reflect.Value{a, b, c},
- },
- // SortableStructs.
- {
- []reflect.Value{v(sortableStruct{2}), v(sortableStruct{1}), v(sortableStruct{3})},
- []reflect.Value{v(sortableStruct{1}), v(sortableStruct{2}), v(sortableStruct{3})},
- },
- // UnsortableStructs.
- {
- // Note: not sorted - SpewKeys is false.
- []reflect.Value{v(unsortableStruct{2}), v(unsortableStruct{1}), v(unsortableStruct{3})},
- []reflect.Value{v(unsortableStruct{2}), v(unsortableStruct{1}), v(unsortableStruct{3})},
- },
- }
- cs := spew.ConfigState{DisableMethods: false, SpewKeys: false}
- helpTestSortValues(tests, &cs, t)
-}
-
-// TestSortValuesWithSpew ensures the sort functionality for relect.Value
-// based sorting works as intended when using spew to stringify keys.
-func TestSortValuesWithSpew(t *testing.T) {
- v := reflect.ValueOf
-
- a := v("a")
- b := v("b")
- c := v("c")
- tests := []sortTestCase{
- // Ints.
- {
- []reflect.Value{v(2), v(1), v(3)},
- []reflect.Value{v(1), v(2), v(3)},
- },
- // Strings.
- {
- []reflect.Value{b, a, c},
- []reflect.Value{a, b, c},
- },
- // SortableStructs.
- {
- []reflect.Value{v(sortableStruct{2}), v(sortableStruct{1}), v(sortableStruct{3})},
- []reflect.Value{v(sortableStruct{1}), v(sortableStruct{2}), v(sortableStruct{3})},
- },
- // UnsortableStructs.
- {
- []reflect.Value{v(unsortableStruct{2}), v(unsortableStruct{1}), v(unsortableStruct{3})},
- []reflect.Value{v(unsortableStruct{1}), v(unsortableStruct{2}), v(unsortableStruct{3})},
- },
- }
- cs := spew.ConfigState{DisableMethods: true, SpewKeys: true}
- helpTestSortValues(tests, &cs, t)
-}
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