[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/github.com/dustin/go-humanize/number.go b/vendor/github.com/dustin/go-humanize/number.go
new file mode 100644
index 0000000..dec6186
--- /dev/null
+++ b/vendor/github.com/dustin/go-humanize/number.go
@@ -0,0 +1,192 @@
+package humanize
+
+/*
+Slightly adapted from the source to fit go-humanize.
+
+Author: https://github.com/gorhill
+Source: https://gist.github.com/gorhill/5285193
+
+*/
+
+import (
+ "math"
+ "strconv"
+)
+
+var (
+ renderFloatPrecisionMultipliers = [...]float64{
+ 1,
+ 10,
+ 100,
+ 1000,
+ 10000,
+ 100000,
+ 1000000,
+ 10000000,
+ 100000000,
+ 1000000000,
+ }
+
+ renderFloatPrecisionRounders = [...]float64{
+ 0.5,
+ 0.05,
+ 0.005,
+ 0.0005,
+ 0.00005,
+ 0.000005,
+ 0.0000005,
+ 0.00000005,
+ 0.000000005,
+ 0.0000000005,
+ }
+)
+
+// FormatFloat produces a formatted number as string based on the following user-specified criteria:
+// * thousands separator
+// * decimal separator
+// * decimal precision
+//
+// Usage: s := RenderFloat(format, n)
+// The format parameter tells how to render the number n.
+//
+// See examples: http://play.golang.org/p/LXc1Ddm1lJ
+//
+// Examples of format strings, given n = 12345.6789:
+// "#,###.##" => "12,345.67"
+// "#,###." => "12,345"
+// "#,###" => "12345,678"
+// "#\u202F###,##" => "12 345,68"
+// "#.###,###### => 12.345,678900
+// "" (aka default format) => 12,345.67
+//
+// The highest precision allowed is 9 digits after the decimal symbol.
+// There is also a version for integer number, FormatInteger(),
+// which is convenient for calls within template.
+func FormatFloat(format string, n float64) string {
+ // Special cases:
+ // NaN = "NaN"
+ // +Inf = "+Infinity"
+ // -Inf = "-Infinity"
+ if math.IsNaN(n) {
+ return "NaN"
+ }
+ if n > math.MaxFloat64 {
+ return "Infinity"
+ }
+ if n < -math.MaxFloat64 {
+ return "-Infinity"
+ }
+
+ // default format
+ precision := 2
+ decimalStr := "."
+ thousandStr := ","
+ positiveStr := ""
+ negativeStr := "-"
+
+ if len(format) > 0 {
+ format := []rune(format)
+
+ // If there is an explicit format directive,
+ // then default values are these:
+ precision = 9
+ thousandStr = ""
+
+ // collect indices of meaningful formatting directives
+ formatIndx := []int{}
+ for i, char := range format {
+ if char != '#' && char != '0' {
+ formatIndx = append(formatIndx, i)
+ }
+ }
+
+ if len(formatIndx) > 0 {
+ // Directive at index 0:
+ // Must be a '+'
+ // Raise an error if not the case
+ // index: 0123456789
+ // +0.000,000
+ // +000,000.0
+ // +0000.00
+ // +0000
+ if formatIndx[0] == 0 {
+ if format[formatIndx[0]] != '+' {
+ panic("RenderFloat(): invalid positive sign directive")
+ }
+ positiveStr = "+"
+ formatIndx = formatIndx[1:]
+ }
+
+ // Two directives:
+ // First is thousands separator
+ // Raise an error if not followed by 3-digit
+ // 0123456789
+ // 0.000,000
+ // 000,000.00
+ if len(formatIndx) == 2 {
+ if (formatIndx[1] - formatIndx[0]) != 4 {
+ panic("RenderFloat(): thousands separator directive must be followed by 3 digit-specifiers")
+ }
+ thousandStr = string(format[formatIndx[0]])
+ formatIndx = formatIndx[1:]
+ }
+
+ // One directive:
+ // Directive is decimal separator
+ // The number of digit-specifier following the separator indicates wanted precision
+ // 0123456789
+ // 0.00
+ // 000,0000
+ if len(formatIndx) == 1 {
+ decimalStr = string(format[formatIndx[0]])
+ precision = len(format) - formatIndx[0] - 1
+ }
+ }
+ }
+
+ // generate sign part
+ var signStr string
+ if n >= 0.000000001 {
+ signStr = positiveStr
+ } else if n <= -0.000000001 {
+ signStr = negativeStr
+ n = -n
+ } else {
+ signStr = ""
+ n = 0.0
+ }
+
+ // split number into integer and fractional parts
+ intf, fracf := math.Modf(n + renderFloatPrecisionRounders[precision])
+
+ // generate integer part string
+ intStr := strconv.FormatInt(int64(intf), 10)
+
+ // add thousand separator if required
+ if len(thousandStr) > 0 {
+ for i := len(intStr); i > 3; {
+ i -= 3
+ intStr = intStr[:i] + thousandStr + intStr[i:]
+ }
+ }
+
+ // no fractional part, we can leave now
+ if precision == 0 {
+ return signStr + intStr
+ }
+
+ // generate fractional part
+ fracStr := strconv.Itoa(int(fracf * renderFloatPrecisionMultipliers[precision]))
+ // may need padding
+ if len(fracStr) < precision {
+ fracStr = "000000000000000"[:precision-len(fracStr)] + fracStr
+ }
+
+ return signStr + intStr + decimalStr + fracStr
+}
+
+// FormatInteger produces a formatted number as string.
+// See FormatFloat.
+func FormatInteger(format string, n int) string {
+ return FormatFloat(format, float64(n))
+}