1 files changed, 384 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/format/format.go b/vendor/github.com/onsi/gomega/format/format.go
new file mode 100644
index 0000000..a9d2651
--- /dev/null
+++ b/vendor/github.com/onsi/gomega/format/format.go
@@ -0,0 +1,384 @@
+/*
+Gomega's format package pretty-prints objects.  It explores input objects recursively and generates formatted, indented output with type information.
+*/
+package format
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// Use MaxDepth to set the maximum recursion depth when printing deeply nested objects
+var MaxDepth = uint(10)
+
+/*
+By default, all objects (even those that implement fmt.Stringer and fmt.GoStringer) are recursively inspected to generate output.
+
+Set UseStringerRepresentation = true to use GoString (for fmt.GoStringers) or String (for fmt.Stringer) instead.
+
+Note that GoString and String don't always have all the information you need to understand why a test failed!
+*/
+var UseStringerRepresentation = false
+
+/*
+Print the content of context objects. By default it will be suppressed.
+
+Set PrintContextObjects = true to enable printing of the context internals.
+*/
+var PrintContextObjects = false
+
+// Ctx interface defined here to keep backwards compatability with go < 1.7
+// It matches the context.Context interface
+type Ctx interface {
+	Deadline() (deadline time.Time, ok bool)
+	Done() <-chan struct{}
+	Err() error
+	Value(key interface{}) interface{}
+}
+
+var contextType = reflect.TypeOf((*Ctx)(nil)).Elem()
+var timeType = reflect.TypeOf(time.Time{})
+
+//The default indentation string emitted by the format package
+var Indent = "    "
+
+var longFormThreshold = 20
+
+/*
+Generates a formatted matcher success/failure message of the form:
+
+	Expected
+		<pretty printed actual>
+	<message>
+		<pretty printed expected>
+
+If expected is omited, then the message looks like:
+
+	Expected
+		<pretty printed actual>
+	<message>
+*/
+func Message(actual interface{}, message string, expected ...interface{}) string {
+	if len(expected) == 0 {
+		return fmt.Sprintf("Expected\n%s\n%s", Object(actual, 1), message)
+	} else {
+		return fmt.Sprintf("Expected\n%s\n%s\n%s", Object(actual, 1), message, Object(expected[0], 1))
+	}
+}
+
+/*
+
+Generates a nicely formatted matcher success / failure message
+
+Much like Message(...), but it attempts to pretty print diffs in strings
+
+Expected
+    <string>: "...aaaaabaaaaa..."
+to equal               |
+    <string>: "...aaaaazaaaaa..."
+
+*/
+
+func MessageWithDiff(actual, message, expected string) string {
+	if len(actual) >= truncateThreshold && len(expected) >= truncateThreshold {
+		diffPoint := findFirstMismatch(actual, expected)
+		formattedActual := truncateAndFormat(actual, diffPoint)
+		formattedExpected := truncateAndFormat(expected, diffPoint)
+
+		spacesBeforeFormattedMismatch := findFirstMismatch(formattedActual, formattedExpected)
+
+		tabLength := 4
+		spaceFromMessageToActual := tabLength + len("<string>: ") - len(message)
+		padding := strings.Repeat(" ", spaceFromMessageToActual+spacesBeforeFormattedMismatch) + "|"
+		return Message(formattedActual, message+padding, formattedExpected)
+	}
+	return Message(actual, message, expected)
+}
+
+func truncateAndFormat(str string, index int) string {
+	leftPadding := `...`
+	rightPadding := `...`
+
+	start := index - charactersAroundMismatchToInclude
+	if start < 0 {
+		start = 0
+		leftPadding = ""
+	}
+
+	// slice index must include the mis-matched character
+	lengthOfMismatchedCharacter := 1
+	end := index + charactersAroundMismatchToInclude + lengthOfMismatchedCharacter
+	if end > len(str) {
+		end = len(str)
+		rightPadding = ""
+
+	}
+	return fmt.Sprintf("\"%s\"", leftPadding+str[start:end]+rightPadding)
+}
+
+func findFirstMismatch(a, b string) int {
+	aSlice := strings.Split(a, "")
+	bSlice := strings.Split(b, "")
+
+	for index, str := range aSlice {
+		if index > len(b) - 1 {
+			return index
+		}
+		if str != bSlice[index] {
+			return index
+		}
+	}
+
+	if len(b) > len(a) {
+		return len(a) + 1
+	}
+
+	return 0
+}
+
+const (
+	truncateThreshold                 = 50
+	charactersAroundMismatchToInclude = 5
+)
+
+/*
+Pretty prints the passed in object at the passed in indentation level.
+
+Object recurses into deeply nested objects emitting pretty-printed representations of their components.
+
+Modify format.MaxDepth to control how deep the recursion is allowed to go
+Set format.UseStringerRepresentation to true to return object.GoString() or object.String() when available instead of
+recursing into the object.
+
+Set PrintContextObjects to true to print the content of objects implementing context.Context
+*/
+func Object(object interface{}, indentation uint) string {
+	indent := strings.Repeat(Indent, int(indentation))
+	value := reflect.ValueOf(object)
+	return fmt.Sprintf("%s<%s>: %s", indent, formatType(object), formatValue(value, indentation))
+}
+
+/*
+IndentString takes a string and indents each line by the specified amount.
+*/
+func IndentString(s string, indentation uint) string {
+	components := strings.Split(s, "\n")
+	result := ""
+	indent := strings.Repeat(Indent, int(indentation))
+	for i, component := range components {
+		result += indent + component
+		if i < len(components)-1 {
+			result += "\n"
+		}
+	}
+
+	return result
+}
+
+func formatType(object interface{}) string {
+	t := reflect.TypeOf(object)
+	if t == nil {
+		return "nil"
+	}
+	switch t.Kind() {
+	case reflect.Chan:
+		v := reflect.ValueOf(object)
+		return fmt.Sprintf("%T | len:%d, cap:%d", object, v.Len(), v.Cap())
+	case reflect.Ptr:
+		return fmt.Sprintf("%T | %p", object, object)
+	case reflect.Slice:
+		v := reflect.ValueOf(object)
+		return fmt.Sprintf("%T | len:%d, cap:%d", object, v.Len(), v.Cap())
+	case reflect.Map:
+		v := reflect.ValueOf(object)
+		return fmt.Sprintf("%T | len:%d", object, v.Len())
+	default:
+		return fmt.Sprintf("%T", object)
+	}
+}
+
+func formatValue(value reflect.Value, indentation uint) string {
+	if indentation > MaxDepth {
+		return "..."
+	}
+
+	if isNilValue(value) {
+		return "nil"
+	}
+
+	if UseStringerRepresentation {
+		if value.CanInterface() {
+			obj := value.Interface()
+			switch x := obj.(type) {
+			case fmt.GoStringer:
+				return x.GoString()
+			case fmt.Stringer:
+				return x.String()
+			}
+		}
+	}
+
+	if !PrintContextObjects {
+		if value.Type().Implements(contextType) && indentation > 1 {
+			return "<suppressed context>"
+		}
+	}
+
+	switch value.Kind() {
+	case reflect.Bool:
+		return fmt.Sprintf("%v", value.Bool())
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return fmt.Sprintf("%v", value.Int())
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return fmt.Sprintf("%v", value.Uint())
+	case reflect.Uintptr:
+		return fmt.Sprintf("0x%x", value.Uint())
+	case reflect.Float32, reflect.Float64:
+		return fmt.Sprintf("%v", value.Float())
+	case reflect.Complex64, reflect.Complex128:
+		return fmt.Sprintf("%v", value.Complex())
+	case reflect.Chan:
+		return fmt.Sprintf("0x%x", value.Pointer())
+	case reflect.Func:
+		return fmt.Sprintf("0x%x", value.Pointer())
+	case reflect.Ptr:
+		return formatValue(value.Elem(), indentation)
+	case reflect.Slice:
+		return formatSlice(value, indentation)
+	case reflect.String:
+		return formatString(value.String(), indentation)
+	case reflect.Array:
+		return formatSlice(value, indentation)
+	case reflect.Map:
+		return formatMap(value, indentation)
+	case reflect.Struct:
+		if value.Type() == timeType && value.CanInterface() {
+			t, _ := value.Interface().(time.Time)
+			return t.Format(time.RFC3339Nano)
+		}
+		return formatStruct(value, indentation)
+	case reflect.Interface:
+		return formatValue(value.Elem(), indentation)
+	default:
+		if value.CanInterface() {
+			return fmt.Sprintf("%#v", value.Interface())
+		} else {
+			return fmt.Sprintf("%#v", value)
+		}
+	}
+}
+
+func formatString(object interface{}, indentation uint) string {
+	if indentation == 1 {
+		s := fmt.Sprintf("%s", object)
+		components := strings.Split(s, "\n")
+		result := ""
+		for i, component := range components {
+			if i == 0 {
+				result += component
+			} else {
+				result += Indent + component
+			}
+			if i < len(components)-1 {
+				result += "\n"
+			}
+		}
+
+		return fmt.Sprintf("%s", result)
+	} else {
+		return fmt.Sprintf("%q", object)
+	}
+}
+
+func formatSlice(v reflect.Value, indentation uint) string {
+	if v.Kind() == reflect.Slice && v.Type().Elem().Kind() == reflect.Uint8 && isPrintableString(string(v.Bytes())) {
+		return formatString(v.Bytes(), indentation)
+	}
+
+	l := v.Len()
+	result := make([]string, l)
+	longest := 0
+	for i := 0; i < l; i++ {
+		result[i] = formatValue(v.Index(i), indentation+1)
+		if len(result[i]) > longest {
+			longest = len(result[i])
+		}
+	}
+
+	if longest > longFormThreshold {
+		indenter := strings.Repeat(Indent, int(indentation))
+		return fmt.Sprintf("[\n%s%s,\n%s]", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
+	} else {
+		return fmt.Sprintf("[%s]", strings.Join(result, ", "))
+	}
+}
+
+func formatMap(v reflect.Value, indentation uint) string {
+	l := v.Len()
+	result := make([]string, l)
+
+	longest := 0
+	for i, key := range v.MapKeys() {
+		value := v.MapIndex(key)
+		result[i] = fmt.Sprintf("%s: %s", formatValue(key, indentation+1), formatValue(value, indentation+1))
+		if len(result[i]) > longest {
+			longest = len(result[i])
+		}
+	}
+
+	if longest > longFormThreshold {
+		indenter := strings.Repeat(Indent, int(indentation))
+		return fmt.Sprintf("{\n%s%s,\n%s}", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
+	} else {
+		return fmt.Sprintf("{%s}", strings.Join(result, ", "))
+	}
+}
+
+func formatStruct(v reflect.Value, indentation uint) string {
+	t := v.Type()
+
+	l := v.NumField()
+	result := []string{}
+	longest := 0
+	for i := 0; i < l; i++ {
+		structField := t.Field(i)
+		fieldEntry := v.Field(i)
+		representation := fmt.Sprintf("%s: %s", structField.Name, formatValue(fieldEntry, indentation+1))
+		result = append(result, representation)
+		if len(representation) > longest {
+			longest = len(representation)
+		}
+	}
+	if longest > longFormThreshold {
+		indenter := strings.Repeat(Indent, int(indentation))
+		return fmt.Sprintf("{\n%s%s,\n%s}", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
+	} else {
+		return fmt.Sprintf("{%s}", strings.Join(result, ", "))
+	}
+}
+
+func isNilValue(a reflect.Value) bool {
+	switch a.Kind() {
+	case reflect.Invalid:
+		return true
+	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
+		return a.IsNil()
+	}
+
+	return false
+}
+
+/*
+Returns true when the string is entirely made of printable runes, false otherwise.
+*/
+func isPrintableString(str string) bool {
+	for _, runeValue := range str {
+		if !strconv.IsPrint(runeValue) {
+			return false
+		}
+	}
+	return true
+}