max / alloy

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1	//! Tests for [`super`].
2
3	use super::*;
4
5	/// The write goes through the script's own path, with `--write-only` so it
6	/// writes the artifact that already exists rather than rebuilding it.
7	/// Re-deriving this is the disk-eating bug the design note warns about.
8	#[test]
9	fn the_write_delegates_to_the_script_that_owns_the_guards() {
10	let shown = ImageView {
11	choices: Choices::default(),
12	cursor: Cursor::new(),
13	repo: None,
14	candidates: Vec::new(),
15	editing: None,
16	sequence: None,
17	pending_write: None,
18	device: None,
19	error: None,
20	saved: false,
21	}
22	.write_command("/dev/sdX")
23	.display();
24
25	assert!(shown.starts_with("build/build-iso.sh"));
26	assert!(shown.contains("--write-only"));
27	assert!(shown.contains("--write /dev/sdX"));
28	// Nothing resembling a dd, anywhere.
29	assert!(!shown.contains("dd "));
30	assert!(!shown.contains("of="));
31	}
32
33	/// A view with a known candidate list, so the cycling can be exercised
34	/// without a `~/.ssh` to stand in front of it.
35	fn view_with(candidates: &[&str]) -> ImageView {
36	ImageView {
37	choices: Choices::default(),
38	cursor: Cursor::new(),
39	repo: None,
40	candidates: candidates.iter().map(\|key\| (*key).to_string()).collect(),
41	editing: None,
42	sequence: None,
43	pending_write: None,
44	device: None,
45	error: None,
46	saved: false,
47	}
48	}
49
50	/// Empty is a position on the ring, not a state to escape. An image with no
51	/// baked key is the ordinary desktop install, so it has to stay reachable
52	/// once a key has been cycled onto the row.
53	#[test]
54	fn cycling_the_pubkey_row_passes_back_through_none() {
55	let mut view = view_with(&["/home/max/.ssh/a.pub", "/home/max/.ssh/b.pub"]);
56	assert_eq!(view.choices.pubkey, "");
57
58	view.cycle_pubkey(true);
59	assert_eq!(view.choices.pubkey, "/home/max/.ssh/a.pub");
60	view.cycle_pubkey(true);
61	assert_eq!(view.choices.pubkey, "/home/max/.ssh/b.pub");
62	view.cycle_pubkey(true);
63	assert_eq!(view.choices.pubkey, "", "the ring returns to no key");
64
65	// And backwards, off none onto the last one.
66	view.cycle_pubkey(false);
67	assert_eq!(view.choices.pubkey, "/home/max/.ssh/b.pub");
68	}
69
70	/// A path typed by hand is not one of the candidates, so it reads as the
71	/// empty position rather than panicking on a lookup that finds nothing.
72	#[test]
73	fn a_typed_path_is_not_lost_to_an_index_it_never_had() {
74	let mut view = view_with(&["/home/max/.ssh/a.pub"]);
75	view.choices.pubkey = "/elsewhere/key.pub".to_string();
76	view.cycle_pubkey(true);
77	assert_eq!(view.choices.pubkey, "/home/max/.ssh/a.pub");
78	}
79
80	/// Nothing to cycle says so, rather than silently doing nothing. An inert
81	/// key reads as the form being broken.
82	#[test]
83	fn no_candidates_explains_itself() {
84	let mut view = view_with(&[]);
85	view.cycle_pubkey(true);
86	assert_eq!(view.choices.pubkey, "");
87	assert!(
88	view.error.as_deref().is_some_and(\|e\| e.contains("~/.ssh")),
89	"{:?}",
90	view.error
91	);
92	}
93