How to use Errorf method of main Package

Best Syzkaller code snippet using main.Errorf

peek_test.go

Source:peek_test.go Github

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...443 if len(frames) == 0 {444 t.Fatalf("no stack frames returned")445 }446 if frames[0].Function != "main.foo" {447 t.Errorf("function name: got %s expected main.foo", frames[0].Function)448 }449 if len(frames[0].Params) != 2 {450 t.Errorf("got %d parameters, expected 2", len(frames[0].Params))451 } else {452 x := frames[0].Params[0]453 y := frames[0].Params[1]454 if x.Name != "x" {455 x, y = y, x456 }457 if x.Name != "x" {458 t.Errorf("parameter name: got %s expected x", x.Name)459 }460 if y.Name != "y" {461 t.Errorf("parameter name: got %s expected y", y.Name)462 }463 if val, err := prog.Value(x.Var); err != nil {464 t.Errorf("value of x: %s", err)465 } else if val != int16(42) {466 t.Errorf("value of x: got %T(%v) expected int16(42)", val, val)467 }468 if val, err := prog.Value(y.Var); err != nil {469 t.Errorf("value of y: %s", err)470 } else if val != float32(1.5) {471 t.Errorf("value of y: got %T(%v) expected float32(1.5)", val, val)472 }473 }474 varnames, err := prog.Eval(`re:main\.Z_.*`)475 if err != nil {476 log.Fatalf("prog.Eval error: %v", err)477 }478 // Evaluate each of the variables found above, and check they match479 // expectedVars.480 seen := make(map[string]bool)481 for _, v := range varnames {482 val, err := prog.Eval("val:" + v)483 if err != nil {484 log.Fatalf("prog.Eval error for %s: %v", v, err)485 } else {486 fmt.Printf("%s = %v\n", v, val)487 if seen[v] {488 log.Fatalf("repeated variable %s\n", v)489 }490 seen[v] = true491 if len(val) != 1 {492 log.Fatalf("should be one value for %s\n", v)493 }494 expected, ok := expectedVars[v]495 if !ok {496 log.Fatalf("unexpected variable %s\n", v)497 } else {498 if !matches(expected, val[0]) {499 log.Fatalf("expected %s = %s\n", v, expected)500 }501 }502 }503 }504 for v, e := range expectedVars {505 if !seen[v] {506 log.Fatalf("didn't get %s = %s\n", v, e)507 }508 }509 // Remove the breakpoint at main.foo.510 err = prog.DeleteBreakpoints(pcs)511 if err != nil {512 log.Fatalf("DeleteBreakpoints: %v", err)513 }514 // Set a breakpoint at line 125, resume, and check we stopped there.515 pcsLine125, err := prog.BreakpointAtLine("testdata/main.go", 125)516 if err != nil {517 t.Fatal("BreakpointAtLine:", err)518 }519 status, err := prog.Resume()520 if err != nil {521 log.Fatalf("Resume: %v", err)522 }523 stoppedAt := func(pcs []uint64) bool {524 for _, pc := range pcs {525 if status.PC == pc {526 return true527 }528 }529 return false530 }531 if !stoppedAt(pcsLine125) {532 t.Errorf("stopped at %X; expected one of %X.", status.PC, pcsLine125)533 }534 for k, v := range expectedEvaluate {535 val, err := prog.Evaluate(k)536 if v == nil {537 if err == nil {538 t.Errorf("got Evaluate(%s) = %v, expected error", k, val)539 }540 continue541 }542 if err != nil {543 t.Errorf("Evaluate(%s): got error %s, expected %v", k, err, v)544 continue545 }546 typ := reflect.TypeOf(v)547 if typ != reflect.TypeOf(val) && typ != reflect.TypeOf(int(0)) && typ != reflect.TypeOf(uint(0)) {548 t.Errorf("got Evaluate(%s) = %T(%v), expected %T(%v)", k, val, val, v, v)549 continue550 }551 // For types with fields like Address, TypeID, etc., we can't know the exact552 // value, so we only test whether those fields are zero or not.553 switch v := v.(type) {554 default:555 if v != val {556 t.Errorf("got Evaluate(%s) = %T(%v), expected %T(%v)", k, val, val, v, v)557 }558 case debug.Array:559 val := val.(debug.Array)560 if v.ElementTypeID == 0 && val.ElementTypeID != 0 {561 t.Errorf("got Evaluate(%s) = %+v, expected zero ElementTypeID", k, val)562 }563 if v.ElementTypeID != 0 && val.ElementTypeID == 0 {564 t.Errorf("got Evaluate(%s) = %+v, expected non-zero ElementTypeID", k, val)565 }566 if v.Address == 0 && val.Address != 0 {567 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)568 }569 if v.Address != 0 && val.Address == 0 {570 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)571 }572 case debug.Slice:573 val := val.(debug.Slice)574 if v.ElementTypeID == 0 && val.ElementTypeID != 0 {575 t.Errorf("got Evaluate(%s) = %+v, expected zero ElementTypeID", k, val)576 }577 if v.ElementTypeID != 0 && val.ElementTypeID == 0 {578 t.Errorf("got Evaluate(%s) = %+v, expected non-zero ElementTypeID", k, val)579 }580 if v.Address == 0 && val.Address != 0 {581 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)582 }583 if v.Address != 0 && val.Address == 0 {584 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)585 }586 case debug.Map:587 val := val.(debug.Map)588 if v.TypeID == 0 && val.TypeID != 0 {589 t.Errorf("got Evaluate(%s) = %+v, expected zero TypeID", k, val)590 }591 if v.TypeID != 0 && val.TypeID == 0 {592 t.Errorf("got Evaluate(%s) = %+v, expected non-zero TypeID", k, val)593 }594 if v.Address == 0 && val.Address != 0 {595 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)596 }597 if v.Address != 0 && val.Address == 0 {598 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)599 }600 case debug.Pointer:601 val := val.(debug.Pointer)602 if v.TypeID == 0 && val.TypeID != 0 {603 t.Errorf("got Evaluate(%s) = %+v, expected zero TypeID", k, val)604 }605 if v.TypeID != 0 && val.TypeID == 0 {606 t.Errorf("got Evaluate(%s) = %+v, expected non-zero TypeID", k, val)607 }608 if v.Address == 0 && val.Address != 0 {609 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)610 }611 if v.Address != 0 && val.Address == 0 {612 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)613 }614 case debug.Channel:615 val := val.(debug.Channel)616 if v.ElementTypeID == 0 && val.ElementTypeID != 0 {617 t.Errorf("got Evaluate(%s) = %+v, expected zero ElementTypeID", k, val)618 }619 if v.ElementTypeID != 0 && val.ElementTypeID == 0 {620 t.Errorf("got Evaluate(%s) = %+v, expected non-zero ElementTypeID", k, val)621 }622 if v.Address == 0 && val.Address != 0 {623 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)624 }625 if v.Address != 0 && val.Address == 0 {626 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)627 }628 if v.Buffer == 0 && val.Buffer != 0 {629 t.Errorf("got Evaluate(%s) = %+v, expected zero Buffer", k, val)630 }631 if v.Buffer != 0 && val.Buffer == 0 {632 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Buffer", k, val)633 }634 case debug.Struct:635 val := val.(debug.Struct)636 if len(v.Fields) != len(val.Fields) {637 t.Errorf("got Evaluate(%s) = %T(%v), expected %T(%v)", k, val, val, v, v)638 break639 }640 for i := range v.Fields {641 a := v.Fields[i].Name642 b := val.Fields[i].Name643 if a != b {644 t.Errorf("Evaluate(%s): field name mismatch: %s vs %s", k, a, b)645 break646 }647 }648 case debug.Func:649 val := val.(debug.Func)650 if v.Address == 0 && val.Address != 0 {651 t.Errorf("got Evaluate(%s) = %+v, expected zero Address", k, val)652 }653 if v.Address != 0 && val.Address == 0 {654 t.Errorf("got Evaluate(%s) = %+v, expected non-zero Address", k, val)655 }656 case int:657 // ints in a remote program can be returned as int32 or int64658 switch val := val.(type) {659 case int32:660 if val != int32(v) {661 t.Errorf("got Evaluate(%s) = %T(%v), expected %v", k, val, val, v)662 }663 case int64:664 if val != int64(v) {665 t.Errorf("got Evaluate(%s) = %T(%v), expected %v", k, val, val, v)666 }667 default:668 t.Errorf("got Evaluate(%s) = %T(%v), expected %T(%v)", k, val, val, v, v)669 }670 case uint:671 // uints in a remote program can be returned as uint32 or uint64672 switch val := val.(type) {673 case uint32:674 if val != uint32(v) {675 t.Errorf("got Evaluate(%s) = %T(%v), expected %v", k, val, val, v)676 }677 case uint64:678 if val != uint64(v) {679 t.Errorf("got Evaluate(%s) = %T(%v), expected %v", k, val, val, v)680 }681 default:682 t.Errorf("got Evaluate(%s) = %T(%v), expected %T(%v)", k, val, val, v, v)683 }684 }685 }686 // Evaluate a struct.687 v := `lookup("main.Z_struct")`688 val, err := prog.Evaluate(v)689 if err != nil {690 t.Fatalf("Evaluate: %s", err)691 }692 s, ok := val.(debug.Struct)693 if !ok {694 t.Fatalf("got Evaluate(%q) = %T(%v), expected debug.Struct", v, val, val)695 }696 // Check the values of its fields.697 if len(s.Fields) != 2 {698 t.Fatalf("got Evaluate(%q) = %+v, expected 2 fields", v, s)699 }700 if v0, err := prog.Value(s.Fields[0].Var); err != nil {701 t.Errorf("Value: %s", err)702 } else if v0 != int32(21) && v0 != int64(21) {703 t.Errorf("Value: got %T(%v), expected 21", v0, v0)704 }705 if v1, err := prog.Value(s.Fields[1].Var); err != nil {706 t.Errorf("Value: %s", err)707 } else if v1 != (debug.String{2, "hi"}) {708 t.Errorf("Value: got %T(%v), expected `hi`", v1, v1)709 }710 // Remove the breakpoint at line 125, set a breakpoint at main.f1 and main.f2,711 // then delete the breakpoint at main.f1. Resume, then check we stopped at712 // main.f2.713 err = prog.DeleteBreakpoints(pcsLine125)714 if err != nil {715 log.Fatalf("DeleteBreakpoints: %v", err)716 }717 pcs1, err := prog.BreakpointAtFunction("main.f1")718 if err != nil {719 log.Fatalf("BreakpointAtFunction: %v", err)720 }721 pcs2, err := prog.BreakpointAtFunction("main.f2")722 if err != nil {723 log.Fatalf("BreakpointAtFunction: %v", err)724 }725 err = prog.DeleteBreakpoints(pcs1)726 if err != nil {727 log.Fatalf("DeleteBreakpoints: %v", err)728 }729 status, err = prog.Resume()730 if err != nil {731 log.Fatalf("Resume: %v", err)732 }733 if !stoppedAt(pcs2) {734 t.Errorf("stopped at %X; expected one of %X.", status.PC, pcs2)735 }736 // Check we get the expected results calling VarByName then Value737 // for the variables in expectedVarValues.738 for name, exp := range expectedVarValues {739 if v, err := prog.VarByName(name); err != nil {740 t.Errorf("VarByName(%s): %s", name, err)741 } else if val, err := prog.Value(v); err != nil {742 t.Errorf("value of %s: %s", name, err)743 } else if val != exp {744 t.Errorf("value of %s: got %T(%v) want %T(%v)", name, val, val, exp, exp)745 }746 }747 // Check some error cases for VarByName and Value.748 if _, err = prog.VarByName("not a real name"); err == nil {749 t.Error("VarByName for invalid name: expected error")750 }751 if _, err = prog.Value(debug.Var{}); err == nil {752 t.Error("value of invalid var: expected error")753 }754 if v, err := prog.VarByName("main.Z_int16"); err != nil {755 t.Error("VarByName(main.Z_int16) error:", err)756 } else {757 v.Address = 0758 // v now has a valid type but a bad address.759 _, err = prog.Value(v)760 if err == nil {761 t.Error("value of invalid location: expected error")762 }763 }764 // checkValue tests that we can get a Var for a variable with the given name,765 // that we can then get the value of that Var, and that calling fn for that766 // value succeeds.767 checkValue := func(name string, fn func(val debug.Value) error) {768 if v, err := prog.VarByName(name); err != nil {769 t.Errorf("VarByName(%s): %s", name, err)770 } else if val, err := prog.Value(v); err != nil {771 t.Errorf("value of %s: %s", name, err)772 } else if err := fn(val); err != nil {773 t.Errorf("value of %s: %s", name, err)774 }775 }776 checkValue("main.Z_uintptr", func(val debug.Value) error {777 if val != uint32(21) && val != uint64(21) {778 // Z_uintptr should be an unsigned integer with size equal to the debugged779 // program's address size.780 return fmt.Errorf("got %T(%v) want 21", val, val)781 }782 return nil783 })784 checkValue("main.Z_int", func(val debug.Value) error {785 if val != int32(-21) && val != int64(-21) {786 return fmt.Errorf("got %T(%v) want -21", val, val)787 }788 return nil789 })790 checkValue("main.Z_uint", func(val debug.Value) error {791 if val != uint32(21) && val != uint64(21) {792 return fmt.Errorf("got %T(%v) want 21", val, val)793 }794 return nil795 })796 checkValue("main.Z_pointer", func(val debug.Value) error {797 if _, ok := val.(debug.Pointer); !ok {798 return fmt.Errorf("got %T(%v) expected Pointer", val, val)799 }800 return nil801 })802 checkValue("main.Z_pointer_nil", func(val debug.Value) error {803 if p, ok := val.(debug.Pointer); !ok {804 return fmt.Errorf("got %T(%v) expected Pointer", val, val)805 } else if p.Address != 0 {806 return fmt.Errorf("got %T(%v) expected nil pointer", val, val)807 }808 return nil809 })810 checkValue("main.Z_array", func(val debug.Value) error {811 a, ok := val.(debug.Array)812 if !ok {813 return fmt.Errorf("got %T(%v) expected Array", val, val)814 }815 if a.Len() != 5 {816 return fmt.Errorf("got array length %d expected 5", a.Len())817 }818 expected := [5]int8{-121, 121, 3, 2, 1}819 for i := uint64(0); i < 5; i++ {820 if v, err := prog.Value(a.Element(i)); err != nil {821 return fmt.Errorf("reading element %d: %s", i, err)822 } else if v != expected[i] {823 return fmt.Errorf("element %d: got %T(%v) want %T(%d)", i, v, v, expected[i], expected[i])824 }825 }826 return nil827 })828 checkValue("main.Z_slice", func(val debug.Value) error {829 s, ok := val.(debug.Slice)830 if !ok {831 return fmt.Errorf("got %T(%v) expected Slice", val, val)832 }833 if s.Len() != 5 {834 return fmt.Errorf("got slice length %d expected 5", s.Len())835 }836 expected := []uint8{115, 108, 105, 99, 101}837 for i := uint64(0); i < 5; i++ {838 if v, err := prog.Value(s.Element(i)); err != nil {839 return fmt.Errorf("reading element %d: %s", i, err)840 } else if v != expected[i] {841 return fmt.Errorf("element %d: got %T(%v) want %T(%d)", i, v, v, expected[i], expected[i])842 }843 }844 return nil845 })846 checkValue("main.Z_map_empty", func(val debug.Value) error {847 m, ok := val.(debug.Map)848 if !ok {849 return fmt.Errorf("got %T(%v) expected Map", val, val)850 }851 if m.Length != 0 {852 return fmt.Errorf("got map length %d expected 0", m.Length)853 }854 return nil855 })856 checkValue("main.Z_map_nil", func(val debug.Value) error {857 m, ok := val.(debug.Map)858 if !ok {859 return fmt.Errorf("got %T(%v) expected Map", val, val)860 }861 if m.Length != 0 {862 return fmt.Errorf("got map length %d expected 0", m.Length)863 }864 return nil865 })866 checkValue("main.Z_map_3", func(val debug.Value) error {867 m, ok := val.(debug.Map)868 if !ok {869 return fmt.Errorf("got %T(%v) expected Map", val, val)870 }871 if m.Length != 2 {872 return fmt.Errorf("got map length %d expected 2", m.Length)873 }874 keyVar0, valVar0, err := prog.MapElement(m, 0)875 if err != nil {876 return err877 }878 keyVar1, valVar1, err := prog.MapElement(m, 1)879 if err != nil {880 return err881 }882 key0, err := prog.Value(keyVar0)883 if err != nil {884 return err885 }886 key1, err := prog.Value(keyVar1)887 if err != nil {888 return err889 }890 val0, err := prog.Value(valVar0)891 if err != nil {892 return err893 }894 val1, err := prog.Value(valVar1)895 if err != nil {896 return err897 }898 // The map should contain 1024,1 and 512,-1 in some order.899 ok1 := key0 == int16(1024) && val0 == int8(1) && key1 == int16(512) && val1 == int8(-1)900 ok2 := key1 == int16(1024) && val1 == int8(1) && key0 == int16(512) && val0 == int8(-1)901 if !ok1 && !ok2 {902 return fmt.Errorf("got values (%d,%d) and (%d,%d), expected (1024,1) and (512,-1) in some order", key0, val0, key1, val1)903 }904 _, _, err = prog.MapElement(m, 2)905 if err == nil {906 return fmt.Errorf("MapElement: reading at a bad index succeeded, expected error")907 }908 return nil909 })910 checkValue("main.Z_string", func(val debug.Value) error {911 s, ok := val.(debug.String)912 if !ok {913 return fmt.Errorf("got %T(%v) expected String", val, val)914 }915 if s.Length != 12 {916 return fmt.Errorf("got string length %d expected 12", s.Length)917 }918 expected := "I'm a string"919 if s.String != expected {920 return fmt.Errorf("got %s expected %s", s.String, expected)921 }922 return nil923 })924 checkValue("main.Z_channel", func(val debug.Value) error {925 c, ok := val.(debug.Channel)926 if !ok {927 return fmt.Errorf("got %T(%v) expected Channel", val, val)928 }929 if c.Buffer == 0 {930 return fmt.Errorf("got buffer address %d expected nonzero", c.Buffer)931 }932 if c.Length != 0 {933 return fmt.Errorf("got length %d expected 0", c.Length)934 }935 if c.Capacity != 0 {936 return fmt.Errorf("got capacity %d expected 0", c.Capacity)937 }938 return nil939 })940 checkValue("main.Z_channel_2", func(val debug.Value) error {941 c, ok := val.(debug.Channel)942 if !ok {943 return fmt.Errorf("got %T(%v) expected Channel", val, val)944 }945 if c.Buffer == 0 {946 return fmt.Errorf("got buffer address %d expected nonzero", c.Buffer)947 }948 if c.Length != 0 {949 return fmt.Errorf("got length %d expected 0", c.Length)950 }951 if c.Capacity != 0 {952 return fmt.Errorf("got capacity %d expected 0", c.Capacity)953 }954 return nil955 })956 checkValue("main.Z_channel_nil", func(val debug.Value) error {957 c, ok := val.(debug.Channel)958 if !ok {959 return fmt.Errorf("got %T(%v) expected Channel", val, val)960 }961 if c.Buffer != 0 {962 return fmt.Errorf("got buffer address %d expected 0", c.Buffer)963 }964 if c.Length != 0 {965 return fmt.Errorf("got length %d expected 0", c.Length)966 }967 if c.Capacity != 0 {968 return fmt.Errorf("got capacity %d expected 0", c.Capacity)969 }970 return nil971 })972 checkValue("main.Z_channel_buffered", func(val debug.Value) error {973 c, ok := val.(debug.Channel)974 if !ok {975 return fmt.Errorf("got %T(%v) expected Channel", val, val)976 }977 if c.Buffer == 0 {978 return fmt.Errorf("got buffer address %d expected nonzero", c.Buffer)979 }980 if c.Length != 6 {981 return fmt.Errorf("got length %d expected 6", c.Length)982 }983 if c.Capacity != 10 {984 return fmt.Errorf("got capacity %d expected 10", c.Capacity)985 }986 if c.Stride != 2 {987 return fmt.Errorf("got stride %d expected 2", c.Stride)988 }989 expected := []int16{8, 9, 10, 11, 12, 13}990 for i := uint64(0); i < 6; i++ {991 if v, err := prog.Value(c.Element(i)); err != nil {992 return fmt.Errorf("reading element %d: %s", i, err)993 } else if v != expected[i] {994 return fmt.Errorf("element %d: got %T(%v) want %T(%d)", i, v, v, expected[i], expected[i])995 }996 }997 v := c.Element(6)998 if v.Address != 0 {999 return fmt.Errorf("invalid element returned Var with address %d, expected 0", v.Address)1000 }1001 return nil1002 })1003 checkValue("main.Z_func_bar", func(val debug.Value) error {1004 f, ok := val.(debug.Func)1005 if !ok {1006 return fmt.Errorf("got %T(%v) expected Func", val, val)1007 }1008 if f.Address == 0 {1009 return fmt.Errorf("got func address %d expected nonzero", f.Address)1010 }1011 return nil1012 })1013 checkValue("main.Z_func_nil", func(val debug.Value) error {1014 f, ok := val.(debug.Func)1015 if !ok {1016 return fmt.Errorf("got %T(%v) expected Func", val, val)1017 }1018 if f.Address != 0 {1019 return fmt.Errorf("got func address %d expected zero", f.Address)1020 }1021 return nil1022 })1023}...

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flag_test.go

Source:flag_test.go Github

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...17 for _, test := range boolFlagTests {18 flag := BoolFlag{Name: test.name}19 output := flag.String()20 if output != test.expected {21 t.Errorf("%s does not match %s", output, test.expected)22 }23 }24}25var stringFlagTests = []struct {26 name string27 value string28 expected string29}{30 {"help", "", "--help \t"},31 {"h", "", "-h \t"},32 {"h", "", "-h \t"},33 {"test", "Something", "--test \"Something\"\t"},34}35func TestStringFlagHelpOutput(t *testing.T) {36 for _, test := range stringFlagTests {37 flag := StringFlag{Name: test.name, Value: test.value}38 output := flag.String()39 if output != test.expected {40 t.Errorf("%s does not match %s", output, test.expected)41 }42 }43}44func TestStringFlagWithEnvVarHelpOutput(t *testing.T) {45 os.Clearenv()46 os.Setenv("APP_FOO", "derp")47 for _, test := range stringFlagTests {48 flag := StringFlag{Name: test.name, Value: test.value, EnvVar: "APP_FOO"}49 output := flag.String()50 if !strings.HasSuffix(output, " [$APP_FOO]") {51 t.Errorf("%s does not end with [$APP_FOO]", output)52 }53 }54}55var stringSliceFlagTests = []struct {56 name string57 value *StringSlice58 expected string59}{60 {"help", func() *StringSlice {61 s := &StringSlice{}62 s.Set("")63 return s64 }(), "--help [--help option --help option]\t"},65 {"h", func() *StringSlice {66 s := &StringSlice{}67 s.Set("")68 return s69 }(), "-h [-h option -h option]\t"},70 {"h", func() *StringSlice {71 s := &StringSlice{}72 s.Set("")73 return s74 }(), "-h [-h option -h option]\t"},75 {"test", func() *StringSlice {76 s := &StringSlice{}77 s.Set("Something")78 return s79 }(), "--test [--test option --test option]\t"},80}81func TestStringSliceFlagHelpOutput(t *testing.T) {82 for _, test := range stringSliceFlagTests {83 flag := StringSliceFlag{Name: test.name, Value: test.value}84 output := flag.String()85 if output != test.expected {86 t.Errorf("%q does not match %q", output, test.expected)87 }88 }89}90func TestStringSliceFlagWithEnvVarHelpOutput(t *testing.T) {91 os.Clearenv()92 os.Setenv("APP_QWWX", "11,4")93 for _, test := range stringSliceFlagTests {94 flag := StringSliceFlag{Name: test.name, Value: test.value, EnvVar: "APP_QWWX"}95 output := flag.String()96 if !strings.HasSuffix(output, " [$APP_QWWX]") {97 t.Errorf("%q does not end with [$APP_QWWX]", output)98 }99 }100}101var intFlagTests = []struct {102 name string103 expected string104}{105 {"help", "--help \"0\"\t"},106 {"h", "-h \"0\"\t"},107}108func TestIntFlagHelpOutput(t *testing.T) {109 for _, test := range intFlagTests {110 flag := IntFlag{Name: test.name}111 output := flag.String()112 if output != test.expected {113 t.Errorf("%s does not match %s", output, test.expected)114 }115 }116}117func TestIntFlagWithEnvVarHelpOutput(t *testing.T) {118 os.Clearenv()119 os.Setenv("APP_BAR", "2")120 for _, test := range intFlagTests {121 flag := IntFlag{Name: test.name, EnvVar: "APP_BAR"}122 output := flag.String()123 if !strings.HasSuffix(output, " [$APP_BAR]") {124 t.Errorf("%s does not end with [$APP_BAR]", output)125 }126 }127}128var durationFlagTests = []struct {129 name string130 expected string131}{132 {"help", "--help \"0\"\t"},133 {"h", "-h \"0\"\t"},134}135func TestDurationFlagHelpOutput(t *testing.T) {136 for _, test := range durationFlagTests {137 flag := DurationFlag{Name: test.name}138 output := flag.String()139 if output != test.expected {140 t.Errorf("%s does not match %s", output, test.expected)141 }142 }143}144func TestDurationFlagWithEnvVarHelpOutput(t *testing.T) {145 os.Clearenv()146 os.Setenv("APP_BAR", "2h3m6s")147 for _, test := range durationFlagTests {148 flag := DurationFlag{Name: test.name, EnvVar: "APP_BAR"}149 output := flag.String()150 if !strings.HasSuffix(output, " [$APP_BAR]") {151 t.Errorf("%s does not end with [$APP_BAR]", output)152 }153 }154}155var intSliceFlagTests = []struct {156 name string157 value *IntSlice158 expected string159}{160 {"help", &IntSlice{}, "--help [--help option --help option]\t"},161 {"h", &IntSlice{}, "-h [-h option -h option]\t"},162 {"h", &IntSlice{}, "-h [-h option -h option]\t"},163 {"test", func() *IntSlice {164 i := &IntSlice{}165 i.Set("9")166 return i167 }(), "--test [--test option --test option]\t"},168}169func TestIntSliceFlagHelpOutput(t *testing.T) {170 for _, test := range intSliceFlagTests {171 flag := IntSliceFlag{Name: test.name, Value: test.value}172 output := flag.String()173 if output != test.expected {174 t.Errorf("%q does not match %q", output, test.expected)175 }176 }177}178func TestIntSliceFlagWithEnvVarHelpOutput(t *testing.T) {179 os.Clearenv()180 os.Setenv("APP_SMURF", "42,3")181 for _, test := range intSliceFlagTests {182 flag := IntSliceFlag{Name: test.name, Value: test.value, EnvVar: "APP_SMURF"}183 output := flag.String()184 if !strings.HasSuffix(output, " [$APP_SMURF]") {185 t.Errorf("%q does not end with [$APP_SMURF]", output)186 }187 }188}189var float64FlagTests = []struct {190 name string191 expected string192}{193 {"help", "--help \"0\"\t"},194 {"h", "-h \"0\"\t"},195}196func TestFloat64FlagHelpOutput(t *testing.T) {197 for _, test := range float64FlagTests {198 flag := Float64Flag{Name: test.name}199 output := flag.String()200 if output != test.expected {201 t.Errorf("%s does not match %s", output, test.expected)202 }203 }204}205func TestFloat64FlagWithEnvVarHelpOutput(t *testing.T) {206 os.Clearenv()207 os.Setenv("APP_BAZ", "99.4")208 for _, test := range float64FlagTests {209 flag := Float64Flag{Name: test.name, EnvVar: "APP_BAZ"}210 output := flag.String()211 if !strings.HasSuffix(output, " [$APP_BAZ]") {212 t.Errorf("%s does not end with [$APP_BAZ]", output)213 }214 }215}216var genericFlagTests = []struct {217 name string218 value Generic219 expected string220}{221 {"test", &Parser{"abc", "def"}, "--test \"abc,def\"\ttest flag"},222 {"t", &Parser{"abc", "def"}, "-t \"abc,def\"\ttest flag"},223}224func TestGenericFlagHelpOutput(t *testing.T) {225 for _, test := range genericFlagTests {226 flag := GenericFlag{Name: test.name, Value: test.value, Usage: "test flag"}227 output := flag.String()228 if output != test.expected {229 t.Errorf("%q does not match %q", output, test.expected)230 }231 }232}233func TestGenericFlagWithEnvVarHelpOutput(t *testing.T) {234 os.Clearenv()235 os.Setenv("APP_ZAP", "3")236 for _, test := range genericFlagTests {237 flag := GenericFlag{Name: test.name, EnvVar: "APP_ZAP"}238 output := flag.String()239 if !strings.HasSuffix(output, " [$APP_ZAP]") {240 t.Errorf("%s does not end with [$APP_ZAP]", output)241 }242 }243}244func TestParseMultiString(t *testing.T) {245 (&App{246 Flags: []Flag{247 StringFlag{Name: "serve, s"},248 },249 Action: func(ctx *Context) {250 if ctx.String("serve") != "10" {251 t.Errorf("main name not set")252 }253 if ctx.String("s") != "10" {254 t.Errorf("short name not set")255 }256 },257 }).Run([]string{"run", "-s", "10"})258}259func TestParseDestinationString(t *testing.T) {260 var dest string261 a := App{262 Flags: []Flag{263 StringFlag{264 Name: "dest",265 Destination: &dest,266 },267 },268 Action: func(ctx *Context) {269 if dest != "10" {270 t.Errorf("expected destination String 10")271 }272 },273 }274 a.Run([]string{"run", "--dest", "10"})275}276func TestParseMultiStringFromEnv(t *testing.T) {277 os.Clearenv()278 os.Setenv("APP_COUNT", "20")279 (&App{280 Flags: []Flag{281 StringFlag{Name: "count, c", EnvVar: "APP_COUNT"},282 },283 Action: func(ctx *Context) {284 if ctx.String("count") != "20" {285 t.Errorf("main name not set")286 }287 if ctx.String("c") != "20" {288 t.Errorf("short name not set")289 }290 },291 }).Run([]string{"run"})292}293func TestParseMultiStringFromEnvCascade(t *testing.T) {294 os.Clearenv()295 os.Setenv("APP_COUNT", "20")296 (&App{297 Flags: []Flag{298 StringFlag{Name: "count, c", EnvVar: "COMPAT_COUNT,APP_COUNT"},299 },300 Action: func(ctx *Context) {301 if ctx.String("count") != "20" {302 t.Errorf("main name not set")303 }304 if ctx.String("c") != "20" {305 t.Errorf("short name not set")306 }307 },308 }).Run([]string{"run"})309}310func TestParseMultiStringSlice(t *testing.T) {311 (&App{312 Flags: []Flag{313 StringSliceFlag{Name: "serve, s", Value: &StringSlice{}},314 },315 Action: func(ctx *Context) {316 if !reflect.DeepEqual(ctx.StringSlice("serve"), []string{"10", "20"}) {317 t.Errorf("main name not set")318 }319 if !reflect.DeepEqual(ctx.StringSlice("s"), []string{"10", "20"}) {320 t.Errorf("short name not set")321 }322 },323 }).Run([]string{"run", "-s", "10", "-s", "20"})324}325func TestParseMultiStringSliceFromEnv(t *testing.T) {326 os.Clearenv()327 os.Setenv("APP_INTERVALS", "20,30,40")328 (&App{329 Flags: []Flag{330 StringSliceFlag{Name: "intervals, i", Value: &StringSlice{}, EnvVar: "APP_INTERVALS"},331 },332 Action: func(ctx *Context) {333 if !reflect.DeepEqual(ctx.StringSlice("intervals"), []string{"20", "30", "40"}) {334 t.Errorf("main name not set from env")335 }336 if !reflect.DeepEqual(ctx.StringSlice("i"), []string{"20", "30", "40"}) {337 t.Errorf("short name not set from env")338 }339 },340 }).Run([]string{"run"})341}342func TestParseMultiStringSliceFromEnvCascade(t *testing.T) {343 os.Clearenv()344 os.Setenv("APP_INTERVALS", "20,30,40")345 (&App{346 Flags: []Flag{347 StringSliceFlag{Name: "intervals, i", Value: &StringSlice{}, EnvVar: "COMPAT_INTERVALS,APP_INTERVALS"},348 },349 Action: func(ctx *Context) {350 if !reflect.DeepEqual(ctx.StringSlice("intervals"), []string{"20", "30", "40"}) {351 t.Errorf("main name not set from env")352 }353 if !reflect.DeepEqual(ctx.StringSlice("i"), []string{"20", "30", "40"}) {354 t.Errorf("short name not set from env")355 }356 },357 }).Run([]string{"run"})358}359func TestParseMultiInt(t *testing.T) {360 a := App{361 Flags: []Flag{362 IntFlag{Name: "serve, s"},363 },364 Action: func(ctx *Context) {365 if ctx.Int("serve") != 10 {366 t.Errorf("main name not set")367 }368 if ctx.Int("s") != 10 {369 t.Errorf("short name not set")370 }371 },372 }373 a.Run([]string{"run", "-s", "10"})374}375func TestParseDestinationInt(t *testing.T) {376 var dest int377 a := App{378 Flags: []Flag{379 IntFlag{380 Name: "dest",381 Destination: &dest,382 },383 },384 Action: func(ctx *Context) {385 if dest != 10 {386 t.Errorf("expected destination Int 10")387 }388 },389 }390 a.Run([]string{"run", "--dest", "10"})391}392func TestParseMultiIntFromEnv(t *testing.T) {393 os.Clearenv()394 os.Setenv("APP_TIMEOUT_SECONDS", "10")395 a := App{396 Flags: []Flag{397 IntFlag{Name: "timeout, t", EnvVar: "APP_TIMEOUT_SECONDS"},398 },399 Action: func(ctx *Context) {400 if ctx.Int("timeout") != 10 {401 t.Errorf("main name not set")402 }403 if ctx.Int("t") != 10 {404 t.Errorf("short name not set")405 }406 },407 }408 a.Run([]string{"run"})409}410func TestParseMultiIntFromEnvCascade(t *testing.T) {411 os.Clearenv()412 os.Setenv("APP_TIMEOUT_SECONDS", "10")413 a := App{414 Flags: []Flag{415 IntFlag{Name: "timeout, t", EnvVar: "COMPAT_TIMEOUT_SECONDS,APP_TIMEOUT_SECONDS"},416 },417 Action: func(ctx *Context) {418 if ctx.Int("timeout") != 10 {419 t.Errorf("main name not set")420 }421 if ctx.Int("t") != 10 {422 t.Errorf("short name not set")423 }424 },425 }426 a.Run([]string{"run"})427}428func TestParseMultiIntSlice(t *testing.T) {429 (&App{430 Flags: []Flag{431 IntSliceFlag{Name: "serve, s", Value: &IntSlice{}},432 },433 Action: func(ctx *Context) {434 if !reflect.DeepEqual(ctx.IntSlice("serve"), []int{10, 20}) {435 t.Errorf("main name not set")436 }437 if !reflect.DeepEqual(ctx.IntSlice("s"), []int{10, 20}) {438 t.Errorf("short name not set")439 }440 },441 }).Run([]string{"run", "-s", "10", "-s", "20"})442}443func TestParseMultiIntSliceFromEnv(t *testing.T) {444 os.Clearenv()445 os.Setenv("APP_INTERVALS", "20,30,40")446 (&App{447 Flags: []Flag{448 IntSliceFlag{Name: "intervals, i", Value: &IntSlice{}, EnvVar: "APP_INTERVALS"},449 },450 Action: func(ctx *Context) {451 if !reflect.DeepEqual(ctx.IntSlice("intervals"), []int{20, 30, 40}) {452 t.Errorf("main name not set from env")453 }454 if !reflect.DeepEqual(ctx.IntSlice("i"), []int{20, 30, 40}) {455 t.Errorf("short name not set from env")456 }457 },458 }).Run([]string{"run"})459}460func TestParseMultiIntSliceFromEnvCascade(t *testing.T) {461 os.Clearenv()462 os.Setenv("APP_INTERVALS", "20,30,40")463 (&App{464 Flags: []Flag{465 IntSliceFlag{Name: "intervals, i", Value: &IntSlice{}, EnvVar: "COMPAT_INTERVALS,APP_INTERVALS"},466 },467 Action: func(ctx *Context) {468 if !reflect.DeepEqual(ctx.IntSlice("intervals"), []int{20, 30, 40}) {469 t.Errorf("main name not set from env")470 }471 if !reflect.DeepEqual(ctx.IntSlice("i"), []int{20, 30, 40}) {472 t.Errorf("short name not set from env")473 }474 },475 }).Run([]string{"run"})476}477func TestParseMultiFloat64(t *testing.T) {478 a := App{479 Flags: []Flag{480 Float64Flag{Name: "serve, s"},481 },482 Action: func(ctx *Context) {483 if ctx.Float64("serve") != 10.2 {484 t.Errorf("main name not set")485 }486 if ctx.Float64("s") != 10.2 {487 t.Errorf("short name not set")488 }489 },490 }491 a.Run([]string{"run", "-s", "10.2"})492}493func TestParseDestinationFloat64(t *testing.T) {494 var dest float64495 a := App{496 Flags: []Flag{497 Float64Flag{498 Name: "dest",499 Destination: &dest,500 },501 },502 Action: func(ctx *Context) {503 if dest != 10.2 {504 t.Errorf("expected destination Float64 10.2")505 }506 },507 }508 a.Run([]string{"run", "--dest", "10.2"})509}510func TestParseMultiFloat64FromEnv(t *testing.T) {511 os.Clearenv()512 os.Setenv("APP_TIMEOUT_SECONDS", "15.5")513 a := App{514 Flags: []Flag{515 Float64Flag{Name: "timeout, t", EnvVar: "APP_TIMEOUT_SECONDS"},516 },517 Action: func(ctx *Context) {518 if ctx.Float64("timeout") != 15.5 {519 t.Errorf("main name not set")520 }521 if ctx.Float64("t") != 15.5 {522 t.Errorf("short name not set")523 }524 },525 }526 a.Run([]string{"run"})527}528func TestParseMultiFloat64FromEnvCascade(t *testing.T) {529 os.Clearenv()530 os.Setenv("APP_TIMEOUT_SECONDS", "15.5")531 a := App{532 Flags: []Flag{533 Float64Flag{Name: "timeout, t", EnvVar: "COMPAT_TIMEOUT_SECONDS,APP_TIMEOUT_SECONDS"},534 },535 Action: func(ctx *Context) {536 if ctx.Float64("timeout") != 15.5 {537 t.Errorf("main name not set")538 }539 if ctx.Float64("t") != 15.5 {540 t.Errorf("short name not set")541 }542 },543 }544 a.Run([]string{"run"})545}546func TestParseMultiBool(t *testing.T) {547 a := App{548 Flags: []Flag{549 BoolFlag{Name: "serve, s"},550 },551 Action: func(ctx *Context) {552 if ctx.Bool("serve") != true {553 t.Errorf("main name not set")554 }555 if ctx.Bool("s") != true {556 t.Errorf("short name not set")557 }558 },559 }560 a.Run([]string{"run", "--serve"})561}562func TestParseDestinationBool(t *testing.T) {563 var dest bool564 a := App{565 Flags: []Flag{566 BoolFlag{567 Name: "dest",568 Destination: &dest,569 },570 },571 Action: func(ctx *Context) {572 if dest != true {573 t.Errorf("expected destination Bool true")574 }575 },576 }577 a.Run([]string{"run", "--dest"})578}579func TestParseMultiBoolFromEnv(t *testing.T) {580 os.Clearenv()581 os.Setenv("APP_DEBUG", "1")582 a := App{583 Flags: []Flag{584 BoolFlag{Name: "debug, d", EnvVar: "APP_DEBUG"},585 },586 Action: func(ctx *Context) {587 if ctx.Bool("debug") != true {588 t.Errorf("main name not set from env")589 }590 if ctx.Bool("d") != true {591 t.Errorf("short name not set from env")592 }593 },594 }595 a.Run([]string{"run"})596}597func TestParseMultiBoolFromEnvCascade(t *testing.T) {598 os.Clearenv()599 os.Setenv("APP_DEBUG", "1")600 a := App{601 Flags: []Flag{602 BoolFlag{Name: "debug, d", EnvVar: "COMPAT_DEBUG,APP_DEBUG"},603 },604 Action: func(ctx *Context) {605 if ctx.Bool("debug") != true {606 t.Errorf("main name not set from env")607 }608 if ctx.Bool("d") != true {609 t.Errorf("short name not set from env")610 }611 },612 }613 a.Run([]string{"run"})614}615func TestParseMultiBoolT(t *testing.T) {616 a := App{617 Flags: []Flag{618 BoolTFlag{Name: "serve, s"},619 },620 Action: func(ctx *Context) {621 if ctx.BoolT("serve") != true {622 t.Errorf("main name not set")623 }624 if ctx.BoolT("s") != true {625 t.Errorf("short name not set")626 }627 },628 }629 a.Run([]string{"run", "--serve"})630}631func TestParseDestinationBoolT(t *testing.T) {632 var dest bool633 a := App{634 Flags: []Flag{635 BoolTFlag{636 Name: "dest",637 Destination: &dest,638 },639 },640 Action: func(ctx *Context) {641 if dest != true {642 t.Errorf("expected destination BoolT true")643 }644 },645 }646 a.Run([]string{"run", "--dest"})647}648func TestParseMultiBoolTFromEnv(t *testing.T) {649 os.Clearenv()650 os.Setenv("APP_DEBUG", "0")651 a := App{652 Flags: []Flag{653 BoolTFlag{Name: "debug, d", EnvVar: "APP_DEBUG"},654 },655 Action: func(ctx *Context) {656 if ctx.BoolT("debug") != false {657 t.Errorf("main name not set from env")658 }659 if ctx.BoolT("d") != false {660 t.Errorf("short name not set from env")661 }662 },663 }664 a.Run([]string{"run"})665}666func TestParseMultiBoolTFromEnvCascade(t *testing.T) {667 os.Clearenv()668 os.Setenv("APP_DEBUG", "0")669 a := App{670 Flags: []Flag{671 BoolTFlag{Name: "debug, d", EnvVar: "COMPAT_DEBUG,APP_DEBUG"},672 },673 Action: func(ctx *Context) {674 if ctx.BoolT("debug") != false {675 t.Errorf("main name not set from env")676 }677 if ctx.BoolT("d") != false {678 t.Errorf("short name not set from env")679 }680 },681 }682 a.Run([]string{"run"})683}684type Parser [2]string685func (p *Parser) Set(value string) error {686 parts := strings.Split(value, ",")687 if len(parts) != 2 {688 return fmt.Errorf("invalid format")689 }690 (*p)[0] = parts[0]691 (*p)[1] = parts[1]692 return nil693}694func (p *Parser) String() string {695 return fmt.Sprintf("%s,%s", p[0], p[1])696}697func TestParseGeneric(t *testing.T) {698 a := App{699 Flags: []Flag{700 GenericFlag{Name: "serve, s", Value: &Parser{}},701 },702 Action: func(ctx *Context) {703 if !reflect.DeepEqual(ctx.Generic("serve"), &Parser{"10", "20"}) {704 t.Errorf("main name not set")705 }706 if !reflect.DeepEqual(ctx.Generic("s"), &Parser{"10", "20"}) {707 t.Errorf("short name not set")708 }709 },710 }711 a.Run([]string{"run", "-s", "10,20"})712}713func TestParseGenericFromEnv(t *testing.T) {714 os.Clearenv()715 os.Setenv("APP_SERVE", "20,30")716 a := App{717 Flags: []Flag{718 GenericFlag{Name: "serve, s", Value: &Parser{}, EnvVar: "APP_SERVE"},719 },720 Action: func(ctx *Context) {721 if !reflect.DeepEqual(ctx.Generic("serve"), &Parser{"20", "30"}) {722 t.Errorf("main name not set from env")723 }724 if !reflect.DeepEqual(ctx.Generic("s"), &Parser{"20", "30"}) {725 t.Errorf("short name not set from env")726 }727 },728 }729 a.Run([]string{"run"})730}731func TestParseGenericFromEnvCascade(t *testing.T) {732 os.Clearenv()733 os.Setenv("APP_FOO", "99,2000")734 a := App{735 Flags: []Flag{736 GenericFlag{Name: "foos", Value: &Parser{}, EnvVar: "COMPAT_FOO,APP_FOO"},737 },738 Action: func(ctx *Context) {739 if !reflect.DeepEqual(ctx.Generic("foos"), &Parser{"99", "2000"}) {740 t.Errorf("value not set from env")741 }742 },743 }744 a.Run([]string{"run"})745}...

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loader_test.go

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...75 if err != nil {76 got.Err = err.Error()77 }78 if !reflect.DeepEqual(got, test.want) {79 t.Errorf("FromArgs(%q) = %+v, want %+v", test.args, got, test.want)80 }81 }82}83func TestLoad_NoInitialPackages(t *testing.T) {84 var conf loader.Config85 const wantErr = "no initial packages were loaded"86 prog, err := conf.Load()87 if err == nil {88 t.Errorf("Load succeeded unexpectedly, want %q", wantErr)89 } else if err.Error() != wantErr {90 t.Errorf("Load failed with wrong error %q, want %q", err, wantErr)91 }92 if prog != nil {93 t.Errorf("Load unexpectedly returned a Program")94 }95}96func TestLoad_MissingInitialPackage(t *testing.T) {97 var conf loader.Config98 conf.Import("nosuchpkg")99 conf.Import("errors")100 const wantErr = "couldn't load packages due to errors: nosuchpkg"101 prog, err := conf.Load()102 if err == nil {103 t.Errorf("Load succeeded unexpectedly, want %q", wantErr)104 } else if err.Error() != wantErr {105 t.Errorf("Load failed with wrong error %q, want %q", err, wantErr)106 }107 if prog != nil {108 t.Errorf("Load unexpectedly returned a Program")109 }110}111func TestLoad_MissingInitialPackage_AllowErrors(t *testing.T) {112 var conf loader.Config113 conf.AllowErrors = true114 conf.Import("nosuchpkg")115 conf.ImportWithTests("errors")116 prog, err := conf.Load()117 if err != nil {118 t.Errorf("Load failed unexpectedly: %v", err)119 }120 if prog == nil {121 t.Fatalf("Load returned a nil Program")122 }123 if got, want := created(prog), "errors_test"; got != want {124 t.Errorf("Created = %s, want %s", got, want)125 }126 if got, want := imported(prog), "errors"; got != want {127 t.Errorf("Imported = %s, want %s", got, want)128 }129}130func TestCreateUnnamedPackage(t *testing.T) {131 var conf loader.Config132 conf.CreateFromFilenames("")133 prog, err := conf.Load()134 if err != nil {135 t.Fatalf("Load failed: %v", err)136 }137 if got, want := fmt.Sprint(prog.InitialPackages()), "[(unnamed)]"; got != want {138 t.Errorf("InitialPackages = %s, want %s", got, want)139 }140}141func TestLoad_MissingFileInCreatedPackage(t *testing.T) {142 var conf loader.Config143 conf.CreateFromFilenames("", "missing.go")144 const wantErr = "couldn't load packages due to errors: (unnamed)"145 prog, err := conf.Load()146 if prog != nil {147 t.Errorf("Load unexpectedly returned a Program")148 }149 if err == nil {150 t.Fatalf("Load succeeded unexpectedly, want %q", wantErr)151 }152 if err.Error() != wantErr {153 t.Fatalf("Load failed with wrong error %q, want %q", err, wantErr)154 }155}156func TestLoad_MissingFileInCreatedPackage_AllowErrors(t *testing.T) {157 conf := loader.Config{AllowErrors: true}158 conf.CreateFromFilenames("", "missing.go")159 prog, err := conf.Load()160 if err != nil {161 t.Errorf("Load failed: %v", err)162 }163 if got, want := fmt.Sprint(prog.InitialPackages()), "[(unnamed)]"; got != want {164 t.Fatalf("InitialPackages = %s, want %s", got, want)165 }166}167func TestLoad_ParseError(t *testing.T) {168 var conf loader.Config169 conf.CreateFromFilenames("badpkg", "testdata/badpkgdecl.go")170 const wantErr = "couldn't load packages due to errors: badpkg"171 prog, err := conf.Load()172 if prog != nil {173 t.Errorf("Load unexpectedly returned a Program")174 }175 if err == nil {176 t.Fatalf("Load succeeded unexpectedly, want %q", wantErr)177 }178 if err.Error() != wantErr {179 t.Fatalf("Load failed with wrong error %q, want %q", err, wantErr)180 }181}182func TestLoad_ParseError_AllowErrors(t *testing.T) {183 var conf loader.Config184 conf.AllowErrors = true185 conf.CreateFromFilenames("badpkg", "testdata/badpkgdecl.go")186 prog, err := conf.Load()187 if err != nil {188 t.Errorf("Load failed unexpectedly: %v", err)189 }190 if prog == nil {191 t.Fatalf("Load returned a nil Program")192 }193 if got, want := created(prog), "badpkg"; got != want {194 t.Errorf("Created = %s, want %s", got, want)195 }196 badpkg := prog.Created[0]197 if len(badpkg.Files) != 1 {198 t.Errorf("badpkg has %d files, want 1", len(badpkg.Files))199 }200 wantErr := "testdata/badpkgdecl.go:1:34: expected 'package', found 'EOF'"201 if !hasError(badpkg.Errors, wantErr) {202 t.Errorf("badpkg.Errors = %v, want %s", badpkg.Errors, wantErr)203 }204}205func TestLoad_FromSource_Success(t *testing.T) {206 var conf loader.Config207 conf.CreateFromFilenames("P", "testdata/a.go", "testdata/b.go")208 prog, err := conf.Load()209 if err != nil {210 t.Errorf("Load failed unexpectedly: %v", err)211 }212 if prog == nil {213 t.Fatalf("Load returned a nil Program")214 }215 if got, want := created(prog), "P"; got != want {216 t.Errorf("Created = %s, want %s", got, want)217 }218}219func TestLoad_FromImports_Success(t *testing.T) {220 var conf loader.Config221 conf.ImportWithTests("fmt")222 conf.ImportWithTests("errors")223 prog, err := conf.Load()224 if err != nil {225 t.Errorf("Load failed unexpectedly: %v", err)226 }227 if prog == nil {228 t.Fatalf("Load returned a nil Program")229 }230 if got, want := created(prog), "errors_test fmt_test"; got != want {231 t.Errorf("Created = %q, want %s", got, want)232 }233 if got, want := imported(prog), "errors fmt"; got != want {234 t.Errorf("Imported = %s, want %s", got, want)235 }236 // Check set of transitive packages.237 // There are >30 and the set may grow over time, so only check a few.238 want := map[string]bool{239 "strings": true,240 "time": true,241 "runtime": true,242 "testing": true,243 "unicode": true,244 }245 for _, path := range all(prog) {246 delete(want, path)247 }248 if len(want) > 0 {249 t.Errorf("AllPackages is missing these keys: %q", keys(want))250 }251}252func TestLoad_MissingIndirectImport(t *testing.T) {253 pkgs := map[string]string{254 "a": `package a; import _ "b"`,255 "b": `package b; import _ "c"`,256 }257 conf := loader.Config{Build: fakeContext(pkgs)}258 conf.Import("a")259 const wantErr = "couldn't load packages due to errors: b"260 prog, err := conf.Load()261 if err == nil {262 t.Errorf("Load succeeded unexpectedly, want %q", wantErr)263 } else if err.Error() != wantErr {264 t.Errorf("Load failed with wrong error %q, want %q", err, wantErr)265 }266 if prog != nil {267 t.Errorf("Load unexpectedly returned a Program")268 }269}270func TestLoad_BadDependency_AllowErrors(t *testing.T) {271 for _, test := range []struct {272 descr string273 pkgs map[string]string274 wantPkgs string275 }{276 {277 descr: "missing dependency",278 pkgs: map[string]string{279 "a": `package a; import _ "b"`,280 "b": `package b; import _ "c"`,281 },282 wantPkgs: "a b",283 },284 {285 descr: "bad package decl in dependency",286 pkgs: map[string]string{287 "a": `package a; import _ "b"`,288 "b": `package b; import _ "c"`,289 "c": `package`,290 },291 wantPkgs: "a b",292 },293 {294 descr: "parse error in dependency",295 pkgs: map[string]string{296 "a": `package a; import _ "b"`,297 "b": `package b; import _ "c"`,298 "c": `package c; var x = `,299 },300 wantPkgs: "a b c",301 },302 } {303 conf := loader.Config{304 AllowErrors: true,305 Build: fakeContext(test.pkgs),306 }307 conf.Import("a")308 prog, err := conf.Load()309 if err != nil {310 t.Errorf("%s: Load failed unexpectedly: %v", test.descr, err)311 }312 if prog == nil {313 t.Fatalf("%s: Load returned a nil Program", test.descr)314 }315 if got, want := imported(prog), "a"; got != want {316 t.Errorf("%s: Imported = %s, want %s", test.descr, got, want)317 }318 if got := all(prog); strings.Join(got, " ") != test.wantPkgs {319 t.Errorf("%s: AllPackages = %s, want %s", test.descr, got, test.wantPkgs)320 }321 }322}323func TestCwd(t *testing.T) {324 ctxt := fakeContext(map[string]string{"one/two/three": `package three`})325 for _, test := range []struct {326 cwd, arg, want string327 }{328 {cwd: "/go/src/one", arg: "./two/three", want: "one/two/three"},329 {cwd: "/go/src/one", arg: "../one/two/three", want: "one/two/three"},330 {cwd: "/go/src/one", arg: "one/two/three", want: "one/two/three"},331 {cwd: "/go/src/one/two/three", arg: ".", want: "one/two/three"},332 {cwd: "/go/src/one", arg: "two/three", want: ""},333 } {334 conf := loader.Config{335 Cwd: test.cwd,336 Build: ctxt,337 }338 conf.Import(test.arg)339 var got string340 prog, err := conf.Load()341 if prog != nil {342 got = imported(prog)343 }344 if got != test.want {345 t.Errorf("Load(%s) from %s: Imported = %s, want %s",346 test.arg, test.cwd, got, test.want)347 if err != nil {348 t.Errorf("Load failed: %v", err)349 }350 }351 }352}353// TODO(adonovan): more Load tests:354//355// failures:356// - to parse package decl of *_test.go files357// - to parse package decl of external *_test.go files358// - to parse whole of *_test.go files359// - to parse whole of external *_test.go files360// - to open a *.go file during import scanning361// - to import from binary362// features:363// - InitialPackages364// - PackageCreated hook365// - TypeCheckFuncBodies hook366func TestTransitivelyErrorFreeFlag(t *testing.T) {367 // Create an minimal custom build.Context368 // that fakes the following packages:369 //370 // a --> b --> c! c has an error371 // \ d and e are transitively error-free.372 // e --> d373 //374 // Each package [a-e] consists of one file, x.go.375 pkgs := map[string]string{376 "a": `package a; import (_ "b"; _ "e")`,377 "b": `package b; import _ "c"`,378 "c": `package c; func f() { _ = int(false) }`, // type error within function body379 "d": `package d;`,380 "e": `package e; import _ "d"`,381 }382 conf := loader.Config{383 AllowErrors: true,384 Build: fakeContext(pkgs),385 }386 conf.Import("a")387 prog, err := conf.Load()388 if err != nil {389 t.Errorf("Load failed: %s", err)390 }391 if prog == nil {392 t.Fatalf("Load returned nil *Program")393 }394 for pkg, info := range prog.AllPackages {395 var wantErr, wantTEF bool396 switch pkg.Path() {397 case "a", "b":398 case "c":399 wantErr = true400 case "d", "e":401 wantTEF = true402 default:403 t.Errorf("unexpected package: %q", pkg.Path())404 continue405 }406 if (info.Errors != nil) != wantErr {407 if wantErr {408 t.Errorf("Package %q.Error = nil, want error", pkg.Path())409 } else {410 t.Errorf("Package %q has unexpected Errors: %v",411 pkg.Path(), info.Errors)412 }413 }414 if info.TransitivelyErrorFree != wantTEF {415 t.Errorf("Package %q.TransitivelyErrorFree=%t, want %t",416 pkg.Path(), info.TransitivelyErrorFree, wantTEF)417 }418 }419}420// Test that syntax (scan/parse), type, and loader errors are recorded421// (in PackageInfo.Errors) and reported (via Config.TypeChecker.Error).422func TestErrorReporting(t *testing.T) {423 pkgs := map[string]string{424 "a": `package a; import (_ "b"; _ "c"); var x int = false`,425 "b": `package b; 'syntax error!`,426 }427 conf := loader.Config{428 AllowErrors: true,429 Build: fakeContext(pkgs),430 }431 var mu sync.Mutex432 var allErrors []error433 conf.TypeChecker.Error = func(err error) {434 mu.Lock()435 allErrors = append(allErrors, err)436 mu.Unlock()437 }438 conf.Import("a")439 prog, err := conf.Load()440 if err != nil {441 t.Errorf("Load failed: %s", err)442 }443 if prog == nil {444 t.Fatalf("Load returned nil *Program")445 }446 // TODO(adonovan): test keys of ImportMap.447 // Check errors recorded in each PackageInfo.448 for pkg, info := range prog.AllPackages {449 switch pkg.Path() {450 case "a":451 if !hasError(info.Errors, "cannot convert false") {452 t.Errorf("a.Errors = %v, want bool conversion (type) error", info.Errors)453 }454 if !hasError(info.Errors, "could not import c") {455 t.Errorf("a.Errors = %v, want import (loader) error", info.Errors)456 }457 case "b":458 if !hasError(info.Errors, "rune literal not terminated") {459 t.Errorf("b.Errors = %v, want unterminated literal (syntax) error", info.Errors)460 }461 }462 }463 // Check errors reported via error handler.464 if !hasError(allErrors, "cannot convert false") ||465 !hasError(allErrors, "rune literal not terminated") ||466 !hasError(allErrors, "could not import c") {467 t.Errorf("allErrors = %v, want syntax, type and loader errors", allErrors)468 }469}470func TestCycles(t *testing.T) {471 for _, test := range []struct {472 descr string473 ctxt *build.Context474 wantErr string475 }{476 {477 "self-cycle",478 fakeContext(map[string]string{479 "main": `package main; import _ "selfcycle"`,480 "selfcycle": `package selfcycle; import _ "selfcycle"`,481 }),482 `import cycle: selfcycle -> selfcycle`,483 },484 {485 "three-package cycle",486 fakeContext(map[string]string{487 "main": `package main; import _ "a"`,488 "a": `package a; import _ "b"`,489 "b": `package b; import _ "c"`,490 "c": `package c; import _ "a"`,491 }),492 `import cycle: c -> a -> b -> c`,493 },494 {495 "self-cycle in dependency of test file",496 buildutil.FakeContext(map[string]map[string]string{497 "main": {498 "main.go": `package main`,499 "main_test.go": `package main; import _ "a"`,500 },501 "a": {502 "a.go": `package a; import _ "a"`,503 },504 }),505 `import cycle: a -> a`,506 },507 // TODO(adonovan): fix: these fail508 // {509 // "two-package cycle in dependency of test file",510 // buildutil.FakeContext(map[string]map[string]string{511 // "main": {512 // "main.go": `package main`,513 // "main_test.go": `package main; import _ "a"`,514 // },515 // "a": {516 // "a.go": `package a; import _ "main"`,517 // },518 // }),519 // `import cycle: main -> a -> main`,520 // },521 // {522 // "self-cycle in augmented package",523 // buildutil.FakeContext(map[string]map[string]string{524 // "main": {525 // "main.go": `package main`,526 // "main_test.go": `package main; import _ "main"`,527 // },528 // }),529 // `import cycle: main -> main`,530 // },531 } {532 conf := loader.Config{533 AllowErrors: true,534 Build: test.ctxt,535 }536 var mu sync.Mutex537 var allErrors []error538 conf.TypeChecker.Error = func(err error) {539 mu.Lock()540 allErrors = append(allErrors, err)541 mu.Unlock()542 }543 conf.ImportWithTests("main")544 prog, err := conf.Load()545 if err != nil {546 t.Errorf("%s: Load failed: %s", test.descr, err)547 }548 if prog == nil {549 t.Fatalf("%s: Load returned nil *Program", test.descr)550 }551 if !hasError(allErrors, test.wantErr) {552 t.Errorf("%s: Load() errors = %q, want %q",553 test.descr, allErrors, test.wantErr)554 }555 }556 // TODO(adonovan):557 // - Test that in a legal test cycle, none of the symbols558 // defined by augmentation are visible via import.559}560// ---- utilities ----561// Simplifying wrapper around buildutil.FakeContext for single-file packages.562func fakeContext(pkgs map[string]string) *build.Context {563 pkgs2 := make(map[string]map[string]string)564 for path, content := range pkgs {565 pkgs2[path] = map[string]string{"x.go": content}566 }...

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tokenize_test.go

Source:tokenize_test.go Github

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...8 fields.SetIgnoreEmptyLine(false)9 fields.Parse("#main_test1 .descriptionText p")10 val := fields.Get("oписание")11 if val != "" {12 t.Errorf("Error get field, %q", val)13 }14 val = fields.Get("цвет")15 if val != "Зелёный, белый" {16 t.Errorf("Error get field, %q", val)17 }18 val = fields.Get("большой текст")19 if val != "line 1\r\n\r\nline 2\r\n\r\nline 3"{20 t.Errorf("Error get field, %q", val)21 }22}23func TestParseTokenizeMultiline(t *testing.T) {24 fields := NewTokenize()25 fields.LoadFile("./testdata/valuefields.html")26// fields.SetIgnoreEmptyLine(true) // default value "true"27 fields.Parse("#main_test2 .descriptionText p")28 val := fields.Get("описание")29 if val != "Декоративная шкатулка" {30 t.Errorf("Error get field multi-line, %q", val)31 }32 val = fields.Get("цвет")33 if val != "Зелёный, белый" {34 t.Errorf("Error get field, %q", val)35 }36 val = fields.Get("большой текст")37 if val != "line 1\r\nline 2\r\nline 3"{38 t.Errorf("Error get field, %q", val)39 }40}41func TestParseTokenize_MultiParse(t *testing.T) {42 fields := NewTokenize()43 fields.LoadFile("./testdata/valuefields.html")44 fields.Parse("#main_test3 .shortText p")45 fields.Parse("#main_test3 .shortText2")46 val := fields.Get("main material")47 if val != "100% polyester" {48 t.Errorf("Error get field, %q", val)49 }50 val = fields.Get("material 2")51 if val != "110% cotton" {52 t.Errorf("Error get field, %q", val)53 }54}55func TestParseBR(t *testing.T) {56 fields := NewTokenize()57 fields.LoadFile("./testdata/valuefields.html")58 fields.Parse("#main_test4 p")59 val := fields.Get("описание")60 if val != "" {61 t.Errorf("Error get field, %q", val)62 }63 val = fields.Get("цвет")64 if val != "Синий" {65 t.Errorf("Error get field, %q", val)66 }67 val = fields.Get("производитель")68 if val != "Вьетнам" {69 t.Errorf("Error get field, %q", val)70 }71 val = fields.Get("релиз! условия заказа товара")72 if val != "- не доступен для заказа по Москве\r\n- только по полной предоплате\r\n- по 1 паре в руки\r\n- акции на данный товар не распространяются" {73 t.Errorf("Error get field, %q", val)74 }75}...

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Errorf

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1func main() {2 fmt.Errorf("Errorf: %s", "hello")3}4func main() {5 fmt.Errorf("Errorf: %s", "hello")6}7func main() {8 fmt.Errorf("Errorf: %s", "hello")9}10func main() {11 fmt.Errorf("Errorf: %s", "hello")12}13func main() {14 fmt.Errorf("Errorf: %s", "hello")15}16func main() {17 fmt.Errorf("Errorf: %s", "hello")18}19func main() {20 fmt.Errorf("Errorf: %s", "hello")21}22func main() {23 fmt.Errorf("Errorf: %s", "hello")24}25func main() {26 fmt.Errorf("Errorf: %s", "hello")27}28func main() {29 fmt.Errorf("Errorf: %s", "hello")30}31func main() {32 fmt.Errorf("Errorf: %s", "hello")33}34func main() {35 fmt.Errorf("Errorf: %s", "hello")36}37func main() {38 fmt.Errorf("Errorf: %s", "hello")39}40func main() {41 fmt.Errorf("Errorf: %s", "hello")42}

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Errorf

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1import (2func main() {3file, err := os.Create("test.log")4if err != nil {5log.Fatalf("failed to create file: %s", err)6}7log.SetOutput(file)8log.SetPrefix("LOG: ")9log.SetFlags(log.Ldate | log.Lmicroseconds | log.Llongfile)10log.Println("This is a test log entry")11log.Fatalln("This is a fatal log entry")12log.Panicln("This is a panic log entry")13}14log.Panicln(0xc00004df60, 0x2, 0x2)15main.main()16os/signal.signal_recv(0x0)17os/signal.loop()18database/sql.(*DB).connectionOpener(0xc0000c0000, 0x5f5d40, 0xc0000a4000)

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Errorf

Using AI Code Generation

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1func main() {2 fmt.Printf("Errorf: %v3", fmt.Errorf("Errorf: %v", 1))4}5func main() {6 fmt.Printf("Errorf: %v7", fmt.Errorf("Errorf: %v", 1))8}9func main() {10 fmt.Printf("Errorf: %v11", fmt.Errorf("Errorf: %v", 1))12}13func main() {14 fmt.Printf("Errorf: %v15", fmt.Errorf("Errorf: %v", 1))16}17func main() {18 fmt.Printf("Errorf: %v19", fmt.Errorf("Errorf: %v", 1))20}21func main() {22 fmt.Printf("Errorf: %v23", fmt.Errorf("Errorf: %v", 1))24}25func main() {26 fmt.Printf("Errorf: %v27", fmt.Errorf("Errorf: %v", 1))28}29func main() {30 fmt.Printf("Errorf: %v31", fmt.Errorf("Errorf: %v", 1))32}33func main() {34 fmt.Printf("Errorf: %v35", fmt.Errorf("Errorf: %v", 1))36}

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Errorf

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1func main() {2 fmt.Errorf("Errorf")3}4func main() {5 fmt.Errorf("Errorf %d", 1)6}7func main() {8 fmt.Errorf("%s %d", "Errorf", 1)9}10Recommended Posts: Go | Errorf() Method

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Errorf

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1import (2func main(){3 fmt.Errorf("Errorf method")4}5import (6func main(){7 fmt.Errorln("Errorln method")8}9import (10func main(){11 fmt.Fatal("Fatal method")12}13import (14func main(){15 fmt.Fatalf("Fatalf method")16}17import (18func main(){19 fmt.Fatalln("Fatalln method")20}21import (22func main(){23 fmt.Panic("Panic method")24}25main.main()

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Errorf

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1import "fmt"2func main() {3 fmt.Errorf("Errorf method")4}5import "fmt"6func main() {7 fmt.Errorf("Errorf method")8}9import (10func main() {11 fmt.Errorf("Errorf method")12 errors.Errorf("Errorf method")13}14import "log"15func main() {16 log.Errorf("Errorf method")17}18import "github.com/sirupsen/logrus"19func main() {20 logrus.Errorf("Errorf method")21}22import "go.uber.org/zap"23func main() {24 zap.Errorf("Errorf method")25}

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Errorf

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1import (2func main() {3 log.Fatalf("This is a %s", "fatal error")4}5import (6func main() {7 log.Panicf("This is a %s", "panic error")8}9log.Panicf(0x52d1f1, 0x14, 0x0, 0x0, 0x0)10main.main()11import (12func main() {13 log.SetFlags(0)14 log.Panicf("This is a %s", "panic error")15}16log.Panicf(0x52d1f1, 0x14, 0x0, 0x0, 0x0)17main.main()18import (19func main() {

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