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blocks_test.gno

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  1package config
  2
  3import (
  4	"testing"
  5
  6	"gno.land/p/nt/uassert/v0"
  7)
  8
  9const otherRealm = "gno.land/r/moul/gns"
 10
 11func TestKeyGrammar(t *testing.T) {
 12	uassert.Equal(t, "pause", KeyFor("pause", ""))
 13	uassert.Equal(t, "pause@r/moul/home", KeyFor("pause", "gno.land/r/moul/home"))
 14	uassert.Equal(t, "pause@r/moul/home", KeyFor("pause", "r/moul/home"))
 15
 16	// A path this cannot scope to falls back to the global key rather than
 17	// inventing one nobody can type.
 18	uassert.Equal(t, "pause", KeyFor("pause", "not a path"))
 19	uassert.Equal(t, "pause", KeyFor("pause", "gno.land/"))
 20
 21	name, scope := SplitKey("block.top@r/moul/home")
 22	uassert.Equal(t, "block.top", name)
 23	uassert.Equal(t, "r/moul/home", scope)
 24
 25	name, scope = SplitKey("block.top")
 26	uassert.Equal(t, "block.top", name)
 27	uassert.Equal(t, "", scope)
 28}
 29
 30func TestScope(t *testing.T) {
 31	uassert.Equal(t, "r/moul/home", Scope("gno.land/r/moul/home"))
 32	uassert.Equal(t, "r/moul/home", Scope("r/moul/home"))
 33	uassert.Equal(t, "p/moul/kit/ui", Scope("gno.land/p/moul/kit/ui"))
 34	uassert.Equal(t, "", Scope(""))
 35	uassert.Equal(t, "", Scope("gno.land/"))
 36	uassert.Equal(t, "", Scope("r/moul/ho me"))
 37	uassert.Equal(t, "", Scope("r//moul"))
 38}
 39
 40// TestBlocksDefaultEmpty is the property every realm depends on: a realm that
 41// renders config.TopBlock() unconditionally must be byte-for-byte what it was
 42// before, until moul sets something.
 43func TestBlocksDefaultEmpty(t *testing.T) {
 44	resetSettings()
 45	uassert.Equal(t, "", TopBlockFor(otherRealm))
 46	uassert.Equal(t, "", BottomBlockFor(otherRealm))
 47}
 48
 49func TestBlocksGlobalAndScoped(cur realm, t *testing.T) {
 50	resetSettings()
 51	testing.SetRealm(testing.NewUserRealm(originAddr))
 52	Set(cross(cur), KeyBlockTop, "> chain migration on Tuesday")
 53
 54	// Global alone reaches every realm, and ends with a blank line so a realm
 55	// can concatenate without a separator of its own.
 56	uassert.Equal(t, "> chain migration on Tuesday\n\n", TopBlockFor(otherRealm))
 57	uassert.Equal(t, "> chain migration on Tuesday\n\n", TopBlockFor("gno.land/r/moul/home"))
 58
 59	testing.SetRealm(testing.NewUserRealm(originAddr))
 60	Set(cross(cur), KeyFor(KeyBlockTop, otherRealm), "> v2 shipped")
 61
 62	// BOTH are shown, global first. A chain-wide warning and a per-realm
 63	// changelog are different messages; dropping either would be the
 64	// surprising behaviour.
 65	uassert.Equal(t,
 66		"> chain migration on Tuesday\n\n> v2 shipped\n\n",
 67		TopBlockFor(otherRealm))
 68
 69	// And the scoped one reaches only its own realm.
 70	uassert.Equal(t, "> chain migration on Tuesday\n\n", TopBlockFor("gno.land/r/moul/home"))
 71}
 72
 73func TestBottomBlock(cur realm, t *testing.T) {
 74	resetSettings()
 75	testing.SetRealm(testing.NewUserRealm(originAddr))
 76	Set(cross(cur), KeyBlockBottom, "built by moul")
 77
 78	uassert.Equal(t, "built by moul\n\n", BottomBlockFor(otherRealm))
 79
 80	// The pause banner belongs to the top only: one banner is enough, and the
 81	// top is where it gets read.
 82	testing.SetRealm(testing.NewUserRealm(originAddr))
 83	Set(cross(cur), KeyPause, "paused")
 84	uassert.Equal(t, "built by moul\n\n", BottomBlockFor(otherRealm))
 85}
 86
 87// TestTopBlockCarriesPause is the integration that makes guarding writes
 88// enough: a realm that calls AssertWritable and renders TopBlock explains the
 89// refusal on its own page without writing a line of banner code.
 90func TestTopBlockCarriesPause(cur realm, t *testing.T) {
 91	resetSettings()
 92	testing.SetRealm(testing.NewUserRealm(originAddr))
 93	Set(cross(cur), KeyPause, "readonly: migrating storage")
 94
 95	uassert.Equal(t,
 96		"> **Read-only.** This realm is still readable, but not accepting changes. migrating storage\n\n",
 97		TopBlockFor(otherRealm))
 98
 99	// And it comes first, before the messages.
100	testing.SetRealm(testing.NewUserRealm(originAddr))
101	Set(cross(cur), KeyBlockTop, "> news")
102	uassert.Equal(t,
103		"> **Read-only.** This realm is still readable, but not accepting changes. migrating storage\n\n> news\n\n",
104		TopBlockFor(otherRealm))
105}
106
107// TestZeroArgFormsNameTheCaller pins the borrow behaviour the whole
108// zero-argument API rests on: these are plain reads with no `cur realm`, so
109// gno opens no realm frame and the realm asking is the realm answered about.
110//
111// If this ever fails, every zero-argument helper here has silently started
112// answering for gno.land/r/moul/config instead, and the …For variants are the
113// only correct ones.
114func TestZeroArgFormsNameTheCaller(cur realm, t *testing.T) {
115	resetSettings()
116	testing.SetRealm(testing.NewUserRealm(originAddr))
117	Set(cross(cur), KeyFor(KeyBlockTop, otherRealm), "> only for gns")
118
119	testing.SetRealm(testing.NewCodeRealm(otherRealm))
120	uassert.Equal(t, "> only for gns\n\n", TopBlock())
121	uassert.Equal(t, otherRealm, caller())
122
123	testing.SetRealm(testing.NewCodeRealm("gno.land/r/moul/home"))
124	uassert.Equal(t, "", TopBlock(), "another realm sees nothing")
125	uassert.Equal(t, "gno.land/r/moul/home", caller())
126}