37 lines
1,005 B
Go
37 lines
1,005 B
Go
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package matchers
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import (
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"fmt"
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"github.com/onsi/gomega/format"
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)
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type HavePrefixMatcher struct {
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Prefix string
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Args []interface{}
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}
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func (matcher *HavePrefixMatcher) Match(actual interface{}) (success bool, err error) {
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actualString, ok := toString(actual)
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if !ok {
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return false, fmt.Errorf("HavePrefix matcher requires a string or stringer. Got:\n%s", format.Object(actual, 1))
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}
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prefix := matcher.prefix()
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return len(actualString) >= len(prefix) && actualString[0:len(prefix)] == prefix, nil
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}
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func (matcher *HavePrefixMatcher) prefix() string {
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if len(matcher.Args) > 0 {
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return fmt.Sprintf(matcher.Prefix, matcher.Args...)
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}
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return matcher.Prefix
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}
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func (matcher *HavePrefixMatcher) FailureMessage(actual interface{}) (message string) {
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return format.Message(actual, "to have prefix", matcher.prefix())
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}
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func (matcher *HavePrefixMatcher) NegatedFailureMessage(actual interface{}) (message string) {
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return format.Message(actual, "not to have prefix", matcher.prefix())
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}
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