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package printer_test
import (
"strings"
"testing"
"github.com/mmcloughlin/avo/build"
"github.com/mmcloughlin/avo/printer"
)
func AssertPrintsLines(t *testing.T, ctx *build.Context, pb printer.Builder, expect []string) {
t.Helper()
output := Print(t, ctx, pb)
lines := strings.Split(output, "\n")
if len(expect) != len(lines) {
t.Logf("output:\n%s", output)
t.Fatalf("have %d lines of output; expected %d", len(lines), len(expect))
}
for i := range expect {
if expect[i] != lines[i] {
t.Errorf("mismatch on line %d:\n\tgot\t%s\n\texpect\t%s\n", i, lines[i], expect[i])
}
}
}
func Print(t *testing.T, ctx *build.Context, pb printer.Builder) string {
t.Helper()
f, errs := ctx.Result()
if errs != nil {
t.Fatal(errs)
}
p := pb(printer.NewDefaultConfig())
b, err := p.Print(f)
if err != nil {
t.Fatal(err)
}
return string(b)
}
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