diff options
| author | Alex Flint <[email protected]> | 2019-04-14 17:17:48 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2019-04-14 17:17:48 -0700 |
| commit | f519755eae5c3a57b67cc875bec6bf59ab8b96f3 (patch) | |
| tree | 7906d529f8cb610864078de5d0f0507c89880522 /vendor/github.com/kr/pretty/diff.go | |
| parent | 6266d3e5b7784d5d761030da6c8e468f866ae4b4 (diff) | |
| parent | 2952bf0265f9862b9e453ef1e91f9b9299f1d9a3 (diff) | |
Merge pull request #79 from alexflint/update-deps
update deps with go mod tidy
Diffstat (limited to 'vendor/github.com/kr/pretty/diff.go')
| -rw-r--r-- | vendor/github.com/kr/pretty/diff.go | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/vendor/github.com/kr/pretty/diff.go b/vendor/github.com/kr/pretty/diff.go deleted file mode 100644 index 6aa7f74..0000000 --- a/vendor/github.com/kr/pretty/diff.go +++ /dev/null @@ -1,265 +0,0 @@ -package pretty - -import ( - "fmt" - "io" - "reflect" -) - -type sbuf []string - -func (p *sbuf) Printf(format string, a ...interface{}) { - s := fmt.Sprintf(format, a...) - *p = append(*p, s) -} - -// Diff returns a slice where each element describes -// a difference between a and b. -func Diff(a, b interface{}) (desc []string) { - Pdiff((*sbuf)(&desc), a, b) - return desc -} - -// wprintfer calls Fprintf on w for each Printf call -// with a trailing newline. -type wprintfer struct{ w io.Writer } - -func (p *wprintfer) Printf(format string, a ...interface{}) { - fmt.Fprintf(p.w, format+"\n", a...) -} - -// Fdiff writes to w a description of the differences between a and b. -func Fdiff(w io.Writer, a, b interface{}) { - Pdiff(&wprintfer{w}, a, b) -} - -type Printfer interface { - Printf(format string, a ...interface{}) -} - -// Pdiff prints to p a description of the differences between a and b. -// It calls Printf once for each difference, with no trailing newline. -// The standard library log.Logger is a Printfer. -func Pdiff(p Printfer, a, b interface{}) { - diffPrinter{w: p}.diff(reflect.ValueOf(a), reflect.ValueOf(b)) -} - -type Logfer interface { - Logf(format string, a ...interface{}) -} - -// logprintfer calls Fprintf on w for each Printf call -// with a trailing newline. -type logprintfer struct{ l Logfer } - -func (p *logprintfer) Printf(format string, a ...interface{}) { - p.l.Logf(format, a...) -} - -// Ldiff prints to l a description of the differences between a and b. -// It calls Logf once for each difference, with no trailing newline. -// The standard library testing.T and testing.B are Logfers. -func Ldiff(l Logfer, a, b interface{}) { - Pdiff(&logprintfer{l}, a, b) -} - -type diffPrinter struct { - w Printfer - l string // label -} - -func (w diffPrinter) printf(f string, a ...interface{}) { - var l string - if w.l != "" { - l = w.l + ": " - } - w.w.Printf(l+f, a...) -} - -func (w diffPrinter) diff(av, bv reflect.Value) { - if !av.IsValid() && bv.IsValid() { - w.printf("nil != %# v", formatter{v: bv, quote: true}) - return - } - if av.IsValid() && !bv.IsValid() { - w.printf("%# v != nil", formatter{v: av, quote: true}) - return - } - if !av.IsValid() && !bv.IsValid() { - return - } - - at := av.Type() - bt := bv.Type() - if at != bt { - w.printf("%v != %v", at, bt) - return - } - - switch kind := at.Kind(); kind { - case reflect.Bool: - if a, b := av.Bool(), bv.Bool(); a != b { - w.printf("%v != %v", a, b) - } - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - if a, b := av.Int(), bv.Int(); a != b { - w.printf("%d != %d", a, b) - } - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - if a, b := av.Uint(), bv.Uint(); a != b { - w.printf("%d != %d", a, b) - } - case reflect.Float32, reflect.Float64: - if a, b := av.Float(), bv.Float(); a != b { - w.printf("%v != %v", a, b) - } - case reflect.Complex64, reflect.Complex128: - if a, b := av.Complex(), bv.Complex(); a != b { - w.printf("%v != %v", a, b) - } - case reflect.Array: - n := av.Len() - for i := 0; i < n; i++ { - w.relabel(fmt.Sprintf("[%d]", i)).diff(av.Index(i), bv.Index(i)) - } - case reflect.Chan, reflect.Func, reflect.UnsafePointer: - if a, b := av.Pointer(), bv.Pointer(); a != b { - w.printf("%#x != %#x", a, b) - } - case reflect.Interface: - w.diff(av.Elem(), bv.Elem()) - case reflect.Map: - ak, both, bk := keyDiff(av.MapKeys(), bv.MapKeys()) - for _, k := range ak { - w := w.relabel(fmt.Sprintf("[%#v]", k)) - w.printf("%q != (missing)", av.MapIndex(k)) - } - for _, k := range both { - w := w.relabel(fmt.Sprintf("[%#v]", k)) - w.diff(av.MapIndex(k), bv.MapIndex(k)) - } - for _, k := range bk { - w := w.relabel(fmt.Sprintf("[%#v]", k)) - w.printf("(missing) != %q", bv.MapIndex(k)) - } - case reflect.Ptr: - switch { - case av.IsNil() && !bv.IsNil(): - w.printf("nil != %# v", formatter{v: bv, quote: true}) - case !av.IsNil() && bv.IsNil(): - w.printf("%# v != nil", formatter{v: av, quote: true}) - case !av.IsNil() && !bv.IsNil(): - w.diff(av.Elem(), bv.Elem()) - } - case reflect.Slice: - lenA := av.Len() - lenB := bv.Len() - if lenA != lenB { - w.printf("%s[%d] != %s[%d]", av.Type(), lenA, bv.Type(), lenB) - break - } - for i := 0; i < lenA; i++ { - w.relabel(fmt.Sprintf("[%d]", i)).diff(av.Index(i), bv.Index(i)) - } - case reflect.String: - if a, b := av.String(), bv.String(); a != b { - w.printf("%q != %q", a, b) - } - case reflect.Struct: - for i := 0; i < av.NumField(); i++ { - w.relabel(at.Field(i).Name).diff(av.Field(i), bv.Field(i)) - } - default: - panic("unknown reflect Kind: " + kind.String()) - } -} - -func (d diffPrinter) relabel(name string) (d1 diffPrinter) { - d1 = d - if d.l != "" && name[0] != '[' { - d1.l += "." - } - d1.l += name - return d1 -} - -// keyEqual compares a and b for equality. -// Both a and b must be valid map keys. -func keyEqual(av, bv reflect.Value) bool { - if !av.IsValid() && !bv.IsValid() { - return true - } - if !av.IsValid() || !bv.IsValid() || av.Type() != bv.Type() { - return false - } - switch kind := av.Kind(); kind { - case reflect.Bool: - a, b := av.Bool(), bv.Bool() - return a == b - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - a, b := av.Int(), bv.Int() - return a == b - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - a, b := av.Uint(), bv.Uint() - return a == b - case reflect.Float32, reflect.Float64: - a, b := av.Float(), bv.Float() - return a == b - case reflect.Complex64, reflect.Complex128: - a, b := av.Complex(), bv.Complex() - return a == b - case reflect.Array: - for i := 0; i < av.Len(); i++ { - if !keyEqual(av.Index(i), bv.Index(i)) { - return false - } - } - return true - case reflect.Chan, reflect.UnsafePointer, reflect.Ptr: - a, b := av.Pointer(), bv.Pointer() - return a == b - case reflect.Interface: - return keyEqual(av.Elem(), bv.Elem()) - case reflect.String: - a, b := av.String(), bv.String() - return a == b - case reflect.Struct: - for i := 0; i < av.NumField(); i++ { - if !keyEqual(av.Field(i), bv.Field(i)) { - return false - } - } - return true - default: - panic("invalid map key type " + av.Type().String()) - } -} - -func keyDiff(a, b []reflect.Value) (ak, both, bk []reflect.Value) { - for _, av := range a { - inBoth := false - for _, bv := range b { - if keyEqual(av, bv) { - inBoth = true - both = append(both, av) - break - } - } - if !inBoth { - ak = append(ak, av) - } - } - for _, bv := range b { - inBoth := false - for _, av := range a { - if keyEqual(av, bv) { - inBoth = true - break - } - } - if !inBoth { - bk = append(bk, bv) - } - } - return -} |
