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email_test.go
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email_test.go
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package emailer
import (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestValidationMsg(t *testing.T) {
tests := []struct {
name string
email Email
want string
}{
{
name: "empty from",
email: Email{
From: "",
},
want: "from field must not be blank",
},
{
name: "invalid from",
email: Email{
From: "a",
},
want: `"a" is not a valid email`,
},
{
name: "empty to",
email: Email{
From: "[email protected]",
},
want: "to field must not be blank",
},
{
name: "invalid to",
email: Email{
From: "[email protected]",
To: []string{"b"},
},
want: `"b" is not a valid email`,
},
{
name: "empty subject",
email: Email{
From: "[email protected]",
To: []string{"[email protected]"},
},
want: "subject field must not be blank",
},
{
name: "missing html or text content",
email: Email{
From: "[email protected]",
To: []string{"[email protected]"},
Subject: "subj",
},
want: "either the htmlContent or textContent field must be filled",
},
{
name: "invalid BCC",
email: Email{
From: "[email protected]",
To: []string{"[email protected]"},
Subject: "subj",
TextContent: "text",
BCC: []string{"duck"},
},
want: `"duck" is not a valid email`,
},
{
name: "invalid CC",
email: Email{
From: "[email protected]",
To: []string{"[email protected]"},
Subject: "subj",
HTMLContent: "html",
CC: []string{"ant"},
},
want: `"ant" is not a valid email`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := tt.email.ValidationMsg()
if diff := cmp.Diff(tt.want, got); diff != "" {
t.Errorf("ValidationMsg(): diff=\n %v", diff)
}
})
}
}