diff options
Diffstat (limited to 'vendor/github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew/spew_test.go')
| -rw-r--r-- | vendor/github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew/spew_test.go | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/vendor/github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew/spew_test.go b/vendor/github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew/spew_test.go new file mode 100644 index 000000000..b70466c69 --- /dev/null +++ b/vendor/github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew/spew_test.go @@ -0,0 +1,320 @@ +/* + * 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 ( + "bytes" + "fmt" + "io/ioutil" + "os" + "testing" + + "github.com/davecgh/go-spew/spew" +) + +// spewFunc is used to identify which public function of the spew package or +// ConfigState a test applies to. +type spewFunc int + +const ( + fCSFdump spewFunc = iota + fCSFprint + fCSFprintf + fCSFprintln + fCSPrint + fCSPrintln + fCSSdump + fCSSprint + fCSSprintf + fCSSprintln + fCSErrorf + fCSNewFormatter + fErrorf + fFprint + fFprintln + fPrint + fPrintln + fSdump + fSprint + fSprintf + fSprintln +) + +// Map of spewFunc values to names for pretty printing. +var spewFuncStrings = map[spewFunc]string{ + fCSFdump: "ConfigState.Fdump", + fCSFprint: "ConfigState.Fprint", + fCSFprintf: "ConfigState.Fprintf", + fCSFprintln: "ConfigState.Fprintln", + fCSSdump: "ConfigState.Sdump", + fCSPrint: "ConfigState.Print", + fCSPrintln: "ConfigState.Println", + fCSSprint: "ConfigState.Sprint", + fCSSprintf: "ConfigState.Sprintf", + fCSSprintln: "ConfigState.Sprintln", + fCSErrorf: "ConfigState.Errorf", + fCSNewFormatter: "ConfigState.NewFormatter", + fErrorf: "spew.Errorf", + fFprint: "spew.Fprint", + fFprintln: "spew.Fprintln", + fPrint: "spew.Print", + fPrintln: "spew.Println", + fSdump: "spew.Sdump", + fSprint: "spew.Sprint", + fSprintf: "spew.Sprintf", + fSprintln: "spew.Sprintln", +} + +func (f spewFunc) String() string { + if s, ok := spewFuncStrings[f]; ok { + return s + } + return fmt.Sprintf("Unknown spewFunc (%d)", int(f)) +} + +// spewTest is used to describe a test to be performed against the public +// functions of the spew package or ConfigState. +type spewTest struct { + cs *spew.ConfigState + f spewFunc + format string + in interface{} + want string +} + +// spewTests houses the tests to be performed against the public functions of +// the spew package and ConfigState. +// +// These tests are only intended to ensure the public functions are exercised +// and are intentionally not exhaustive of types. The exhaustive type +// tests are handled in the dump and format tests. +var spewTests []spewTest + +// redirStdout is a helper function to return the standard output from f as a +// byte slice. +func redirStdout(f func()) ([]byte, error) { + tempFile, err := ioutil.TempFile("", "ss-test") + if err != nil { + return nil, err + } + fileName := tempFile.Name() + defer os.Remove(fileName) // Ignore error + + origStdout := os.Stdout + os.Stdout = tempFile + f() + os.Stdout = origStdout + tempFile.Close() + + return ioutil.ReadFile(fileName) +} + +func initSpewTests() { + // Config states with various settings. + scsDefault := spew.NewDefaultConfig() + scsNoMethods := &spew.ConfigState{Indent: " ", DisableMethods: true} + scsNoPmethods := &spew.ConfigState{Indent: " ", DisablePointerMethods: true} + scsMaxDepth := &spew.ConfigState{Indent: " ", MaxDepth: 1} + scsContinue := &spew.ConfigState{Indent: " ", ContinueOnMethod: true} + scsNoPtrAddr := &spew.ConfigState{DisablePointerAddresses: true} + scsNoCap := &spew.ConfigState{DisableCapacities: true} + + // Variables for tests on types which implement Stringer interface with and + // without a pointer receiver. + ts := stringer("test") + tps := pstringer("test") + + type ptrTester struct { + s *struct{} + } + tptr := &ptrTester{s: &struct{}{}} + + // depthTester is used to test max depth handling for structs, array, slices + // and maps. + type depthTester struct { + ic indirCir1 + arr [1]string + slice []string + m map[string]int + } + dt := depthTester{indirCir1{nil}, [1]string{"arr"}, []string{"slice"}, + map[string]int{"one": 1}} + + // Variable for tests on types which implement error interface. + te := customError(10) + + spewTests = []spewTest{ + {scsDefault, fCSFdump, "", int8(127), "(int8) 127\n"}, + {scsDefault, fCSFprint, "", int16(32767), "32767"}, + {scsDefault, fCSFprintf, "%v", int32(2147483647), "2147483647"}, + {scsDefault, fCSFprintln, "", int(2147483647), "2147483647\n"}, + {scsDefault, fCSPrint, "", int64(9223372036854775807), "9223372036854775807"}, + {scsDefault, fCSPrintln, "", uint8(255), "255\n"}, + {scsDefault, fCSSdump, "", uint8(64), "(uint8) 64\n"}, + {scsDefault, fCSSprint, "", complex(1, 2), "(1+2i)"}, + {scsDefault, fCSSprintf, "%v", complex(float32(3), 4), "(3+4i)"}, + {scsDefault, fCSSprintln, "", complex(float64(5), 6), "(5+6i)\n"}, + {scsDefault, fCSErrorf, "%#v", uint16(65535), "(uint16)65535"}, + {scsDefault, fCSNewFormatter, "%v", uint32(4294967295), "4294967295"}, + {scsDefault, fErrorf, "%v", uint64(18446744073709551615), "18446744073709551615"}, + {scsDefault, fFprint, "", float32(3.14), "3.14"}, + {scsDefault, fFprintln, "", float64(6.28), "6.28\n"}, + {scsDefault, fPrint, "", true, "true"}, + {scsDefault, fPrintln, "", false, "false\n"}, + {scsDefault, fSdump, "", complex(-10, -20), "(complex128) (-10-20i)\n"}, + {scsDefault, fSprint, "", complex(-1, -2), "(-1-2i)"}, + {scsDefault, fSprintf, "%v", complex(float32(-3), -4), "(-3-4i)"}, + {scsDefault, fSprintln, "", complex(float64(-5), -6), "(-5-6i)\n"}, + {scsNoMethods, fCSFprint, "", ts, "test"}, + {scsNoMethods, fCSFprint, "", &ts, "<*>test"}, + {scsNoMethods, fCSFprint, "", tps, "test"}, + {scsNoMethods, fCSFprint, "", &tps, "<*>test"}, + {scsNoPmethods, fCSFprint, "", ts, "stringer test"}, + {scsNoPmethods, fCSFprint, "", &ts, "<*>stringer test"}, + {scsNoPmethods, fCSFprint, "", tps, "test"}, + {scsNoPmethods, fCSFprint, "", &tps, "<*>stringer test"}, + {scsMaxDepth, fCSFprint, "", dt, "{{<max>} [<max>] [<max>] map[<max>]}"}, + {scsMaxDepth, fCSFdump, "", dt, "(spew_test.depthTester) {\n" + + " ic: (spew_test.indirCir1) {\n <max depth reached>\n },\n" + + " arr: ([1]string) (len=1 cap=1) {\n <max depth reached>\n },\n" + + " slice: ([]string) (len=1 cap=1) {\n <max depth reached>\n },\n" + + " m: (map[string]int) (len=1) {\n <max depth reached>\n }\n}\n"}, + {scsContinue, fCSFprint, "", ts, "(stringer test) test"}, + {scsContinue, fCSFdump, "", ts, "(spew_test.stringer) " + + "(len=4) (stringer test) \"test\"\n"}, + {scsContinue, fCSFprint, "", te, "(error: 10) 10"}, + {scsContinue, fCSFdump, "", te, "(spew_test.customError) " + + "(error: 10) 10\n"}, + {scsNoPtrAddr, fCSFprint, "", tptr, "<*>{<*>{}}"}, + {scsNoPtrAddr, fCSSdump, "", tptr, "(*spew_test.ptrTester)({\ns: (*struct {})({\n})\n})\n"}, + {scsNoCap, fCSSdump, "", make([]string, 0, 10), "([]string) {\n}\n"}, + {scsNoCap, fCSSdump, "", make([]string, 1, 10), "([]string) (len=1) {\n(string) \"\"\n}\n"}, + } +} + +// TestSpew executes all of the tests described by spewTests. +func TestSpew(t *testing.T) { + initSpewTests() + + t.Logf("Running %d tests", len(spewTests)) + for i, test := range spewTests { + buf := new(bytes.Buffer) + switch test.f { + case fCSFdump: + test.cs.Fdump(buf, test.in) + + case fCSFprint: + test.cs.Fprint(buf, test.in) + + case fCSFprintf: + test.cs.Fprintf(buf, test.format, test.in) + + case fCSFprintln: + test.cs.Fprintln(buf, test.in) + + case fCSPrint: + b, err := redirStdout(func() { test.cs.Print(test.in) }) + if err != nil { + t.Errorf("%v #%d %v", test.f, i, err) + continue + } + buf.Write(b) + + case fCSPrintln: + b, err := redirStdout(func() { test.cs.Println(test.in) }) + if err != nil { + t.Errorf("%v #%d %v", test.f, i, err) + continue + } + buf.Write(b) + + case fCSSdump: + str := test.cs.Sdump(test.in) + buf.WriteString(str) + + case fCSSprint: + str := test.cs.Sprint(test.in) + buf.WriteString(str) + + case fCSSprintf: + str := test.cs.Sprintf(test.format, test.in) + buf.WriteString(str) + + case fCSSprintln: + str := test.cs.Sprintln(test.in) + buf.WriteString(str) + + case fCSErrorf: + err := test.cs.Errorf(test.format, test.in) + buf.WriteString(err.Error()) + + case fCSNewFormatter: + fmt.Fprintf(buf, test.format, test.cs.NewFormatter(test.in)) + + case fErrorf: + err := spew.Errorf(test.format, test.in) + buf.WriteString(err.Error()) + + case fFprint: + spew.Fprint(buf, test.in) + + case fFprintln: + spew.Fprintln(buf, test.in) + + case fPrint: + b, err := redirStdout(func() { spew.Print(test.in) }) + if err != nil { + t.Errorf("%v #%d %v", test.f, i, err) + continue + } + buf.Write(b) + + case fPrintln: + b, err := redirStdout(func() { spew.Println(test.in) }) + if err != nil { + t.Errorf("%v #%d %v", test.f, i, err) + continue + } + buf.Write(b) + + case fSdump: + str := spew.Sdump(test.in) + buf.WriteString(str) + + case fSprint: + str := spew.Sprint(test.in) + buf.WriteString(str) + + case fSprintf: + str := spew.Sprintf(test.format, test.in) + buf.WriteString(str) + + case fSprintln: + str := spew.Sprintln(test.in) + buf.WriteString(str) + + default: + t.Errorf("%v #%d unrecognized function", test.f, i) + continue + } + s := buf.String() + if test.want != s { + t.Errorf("ConfigState #%d\n got: %s want: %s", i, s, test.want) + continue + } + } +} |