gitbayTests/RepoStateTests.swift

 1import Foundation
 2import Testing
 3@testable import gitbay
 4
 5struct RepoStateDecodingTests {
 6
 7    private func decode(_ json: String) throws -> RepoDetail {
 8        try JSONDecoder().decode(RepoDetail.self, from: Data(json.utf8))
 9    }
10
11    private let base = """
12        "path":"krz/gitbay","visibility":"public","default_branch":"main"
13        """
14
15    /// All three are omitempty. A repository you have expressed no
16    /// opinion about, which is not a fork, carries none of them.
17    @Test func aRepositoryWithNoStateDecodes() throws {
18        let repo = try decode("{\(base)}")
19        #expect(repo.watch == nil)
20        #expect(repo.bookmarked == false)
21        #expect(repo.forkOf == nil)
22    }
23
24    @Test func theCallersOwnStateDecodes() throws {
25        let repo = try decode("""
26            {\(base),"watch":"watching","bookmarked":true,"fork_of":"upstream/thing"}
27            """)
28        #expect(repo.watch == "watching")
29        #expect(repo.bookmarked)
30        #expect(repo.forkOf == "upstream/thing")
31    }
32
33    @Test func mutedDecodes() throws {
34        #expect(try decode("{\(base),\"watch\":\"muted\"}").watch == "muted")
35    }
36}
37
38struct WatchStateTests {
39
40    @Test func theThreeStatesMapFromTheWire() {
41        #expect(WatchState("watching") == .watching)
42        #expect(WatchState("muted") == .muted)
43        #expect(WatchState(nil) == .default)
44        // An unknown value the server might add later must not crash or
45        // masquerade as watching.
46        #expect(WatchState("something-new") == .default)
47    }
48
49    /// `repo unwatch` returns to the default from either state, so it is
50    /// offered from both and never from the default itself.
51    @Test func onlyTheReachableTransitionsAreOffered() {
52        #expect(WatchState.watching.available == [.unwatch, .mute])
53        #expect(WatchState.muted.available == [.watch, .unwatch])
54        #expect(WatchState.default.available == [.watch, .mute])
55    }
56}