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path: root/internal/util/util_test.go
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package util

import (
	"bytes"
	"testing"
)

func TestMakeRandomByteSlice(t *testing.T) {
	random, randomErr := MakeRandomByteSlice(32)
	if randomErr != nil {
		t.Fatalf("Got: %v, want: nil", randomErr)
	}
	if len(random) != 32 {
		t.Fatalf("Got length: %d, want length: 32", len(random))
	}

	random2, randomErr2 := MakeRandomByteSlice(32)
	if randomErr2 != nil {
		t.Fatalf("2, Got: %v, want: nil", randomErr)
	}

	if bytes.Equal(random2, random) {
		t.Fatalf("Two random byteslices are the same: %v, %v", random2, random)
	}
}

func TestReplaceWAYF(t *testing.T) {
	// We expect url encoding but the spaces to be correctly replace with a + instead of a %20
	// And we expect that the return to and org_id are correctly replaced
	replaced := ReplaceWAYF(
		"@RETURN_TO@@ORG_ID@",
		"127.0.0.1:8000/&%$3#kM_-            ",
		"idp-test.nl.org/",
	)
	wantReplaced := "127.0.0.1%3A8000%2F%26%25%243%23kM_-++++++++++++idp-test.nl.org%2F"
	if replaced != wantReplaced {
		t.Fatalf("Got: %s, want: %s", replaced, wantReplaced)
	}

	// No RETURN_TO in template
	replaced = ReplaceWAYF("@ORG_ID@", "127.0.0.1:8000", "idp-test.nl.org/")
	wantReplaced = "127.0.0.1:8000"
	if replaced != wantReplaced {
		t.Fatalf("Got: %s, want: %s", replaced, wantReplaced)
	}

	// NO ORG_ID in template
	replaced = ReplaceWAYF("@RETURN_TO@", "127.0.0.1:8000", "idp-test.nl.org")
	wantReplaced = "127.0.0.1:8000"
	if replaced != wantReplaced {
		t.Fatalf("Got: %s, want: %s", replaced, wantReplaced)
	}

	// Template is empty
	replaced = ReplaceWAYF("", "127.0.0.1:8000", "idp-test.nl.org")
	wantReplaced = "127.0.0.1:8000"
	if replaced != wantReplaced {
		t.Fatalf("Got: %s, want: %s", replaced, wantReplaced)
	}

	// Template contains both @RETURN_TO@ and @ORG_ID@ but there is not enough to replace both
	replaced = ReplaceWAYF("@RETURN_TO@ORG_ID@", "127.0.0.1:8000", "idp-test.nl.org")
	wantReplaced = "127.0.0.1:8000"
	if replaced != wantReplaced {
		t.Fatalf("Got: %s, want: %s", replaced, wantReplaced)
	}
}