57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package assert
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import (
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"bytes"
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"fmt"
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"github.com/alecthomas/colour"
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"github.com/alecthomas/repr"
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"github.com/sergi/go-diff/diffmatchpatch"
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)
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func DiffValues(a, b interface{}) string {
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printer := colour.String()
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diff := diffmatchpatch.New()
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at := repr.String(a, repr.OmitEmpty(true))
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bt := repr.String(b, repr.OmitEmpty(true))
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diffs := diff.DiffMain(at, bt, true)
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for _, d := range diffs {
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switch d.Type {
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case diffmatchpatch.DiffEqual:
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if len(d.Text) <= 40 {
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printer.Print(d.Text)
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} else {
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printer.Printf("%s^B...^R%s", d.Text[:15], d.Text[len(d.Text)-15:])
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}
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case diffmatchpatch.DiffDelete:
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printer.Printf("^9%s^R", d.Text)
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case diffmatchpatch.DiffInsert:
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printer.Printf("^a%s^R", d.Text)
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}
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}
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return printer.String()
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}
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func DiffValuesDefault(a, b interface{}) string {
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diff := diffmatchpatch.New()
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at := repr.String(a)
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bt := repr.String(b)
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diffs := diff.DiffMain(at, bt, true)
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w := bytes.NewBuffer(nil)
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for _, d := range diffs {
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switch d.Type {
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case diffmatchpatch.DiffEqual:
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if len(d.Text) <= 40 {
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w.WriteString(d.Text)
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} else {
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fmt.Fprintf(w, "%s...%s", d.Text[:15], d.Text[len(d.Text)-15:])
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}
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case diffmatchpatch.DiffDelete:
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fmt.Fprintf(w, "-{{%s}}", d.Text)
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case diffmatchpatch.DiffInsert:
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fmt.Fprintf(w, "+{{%s}}", d.Text)
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}
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}
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return w.String()
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}
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