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package file
import (
"testing"
)
const (
unexpectedSnippet = "%s got snippet '%s', want '%v'"
snippetNotFound = "%s snippet not found, wanted '%v'"
snippetFound = "%s snippet found at Line %d, wanted none"
)
func TestStringSource_SnippetMultiLine(t *testing.T) {
source := NewSource("hello\nworld\nmy\nbub\n")
if str, found := source.Snippet(1); !found {
t.Errorf(snippetNotFound, t.Name(), 1)
} else if str != "hello" {
t.Errorf(unexpectedSnippet, t.Name(), str, "hello")
}
if str2, found := source.Snippet(2); !found {
t.Errorf(snippetNotFound, t.Name(), 2)
} else if str2 != "world" {
t.Errorf(unexpectedSnippet, t.Name(), str2, "world")
}
if str3, found := source.Snippet(3); !found {
t.Errorf(snippetNotFound, t.Name(), 3)
} else if str3 != "my" {
t.Errorf(unexpectedSnippet, t.Name(), str3, "my")
}
if str4, found := source.Snippet(4); !found {
t.Errorf(snippetNotFound, t.Name(), 4)
} else if str4 != "bub" {
t.Errorf(unexpectedSnippet, t.Name(), str4, "bub")
}
if str5, found := source.Snippet(5); !found {
t.Errorf(snippetNotFound, t.Name(), 5)
} else if str5 != "" {
t.Errorf(unexpectedSnippet, t.Name(), str5, "")
}
}
func TestStringSource_SnippetSingleLine(t *testing.T) {
source := NewSource("hello, world")
if str, found := source.Snippet(1); !found {
t.Errorf(snippetNotFound, t.Name(), 1)
} else if str != "hello, world" {
t.Errorf(unexpectedSnippet, t.Name(), str, "hello, world")
}
if str2, found := source.Snippet(2); found {
t.Error(snippetFound, t.Name(), 2)
} else if str2 != "" {
t.Error(unexpectedSnippet, t.Name(), str2, "")
}
}
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