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argparser_test.go
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package main
import "testing"
func TestParseEmptyArgumentsList(t *testing.T) {
_, err := parse([]string{})
if err == nil {
t.Error("Expected error on empty slice")
}
}
func TestParseSubjectOnly(t *testing.T) {
c, err := parse([]string{"email"})
if err != nil {
t.Errorf("Unexpected error %s", err.Error())
}
if c.subject != "email" {
t.Errorf("Failed parsing subject")
}
_, err = parse([]string{"invalid"})
if err == nil {
t.Error("Expected error on invalid subject")
}
}
func TestParseTwoArguments(t *testing.T) {
// Parse subject and count
c, err := parse([]string{"10", "emails"})
if err != nil {
t.Errorf("Unexpected error %s", err.Error())
}
if c.subject != "emails" {
t.Errorf("Failed parsing subject")
}
if c.count != 10 {
t.Errorf("Failed parsing count")
}
// Parse subject and language
c, err = parse([]string{"german", "companies"})
if err != nil {
t.Errorf("Unexpected error %s", err.Error())
}
if c.subject != "companies" {
t.Errorf("Failed parsing subject")
}
if c.language != "german" {
t.Errorf("Failed parsing count")
}
}
func TestParseThreeArguments(t *testing.T) {
// Parse subject and count
c, err := parse([]string{"5", "russian", "addresses"})
if err != nil {
t.Errorf("Unexpected error %s", err.Error())
}
if c.subject != "addresses" {
t.Errorf("Failed parsing subject")
}
if c.count != 5 {
t.Errorf("Failed parsing count")
}
if c.language != "russian" {
t.Errorf("Failed parsing language")
}
}