native macOS codings agent orchestrator prowl.onev.cat
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Swift
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@testable import Prowl
struct TerminalLayoutSnapshotPayloadTests { @Test func decodeValidatedRoundTripsValidPayload() throws { let payload = makePayload() let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) }
@Test func decodeValidatedRoundTripsTabCustomTitle() throws { let payload = makePayload(title: "live", customTitle: "Pinned") let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data)
#expect(decoded == payload) #expect(decoded?.worktrees.first?.tabs.first?.customTitle == "Pinned") }
@Test func decodeValidatedRoundTripsLeafCwdPath() throws { let payload = makePayload(splitRoot: .leaf(surfaceID: "surface-1", cwdPath: "/tmp/repo/wt-1/src")) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) }
@Test func decodeValidatedRejectsOversizedData() { let data = Data( repeating: 0, count: TerminalLayoutSnapshotPayload.maxSnapshotFileBytes + 1 )
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsSchemaVersionMismatch() throws { let payload = makePayload(version: TerminalLayoutSnapshotPayload.currentVersion + 1) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsTooManyWorktrees() throws { let worktrees = (0...TerminalLayoutSnapshotPayload.maxWorktrees).map { index in makeWorktree(worktreeID: "wt-\(index)") } let payload = TerminalLayoutSnapshotPayload(worktrees: worktrees) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsTooManyTabsInWorktree() throws { let tabs = (0...TerminalLayoutSnapshotPayload.maxTabsPerWorktree).map { index in makeTab(tabID: "tab-\(index)") } let payload = TerminalLayoutSnapshotPayload( worktrees: [ TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: "wt-1", selectedTabID: "tab-0", tabs: tabs ) ] ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsTooManySplitNodesInTab() throws { var leafIndex = 0 let root = makeBalancedSplitTree(depth: 10, leafIndex: &leafIndex) let payload = makePayload( tabID: "tab-large", splitRoot: root ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsSplitTreeDepthOverflow() throws { var leafIndex = 0 let root = makeDeepSplitTree( splitCount: TerminalLayoutSnapshotPayload.maxSplitDepth, leafIndex: &leafIndex ) let payload = makePayload( tabID: "tab-deep", splitRoot: root ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsIllegalSplitNodeStructure() throws { let invalidRoot = TerminalLayoutSnapshotPayload.SnapshotSplitNode( kind: .split, surfaceID: nil, cwdPath: nil, direction: .horizontal, ratio: 0.5, children: [ .leaf(surfaceID: "leaf-1") ] ) let payload = makePayload( tabID: "tab-invalid", splitRoot: invalidRoot ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsSelectedTabMissingFromTabs() throws { let payload = TerminalLayoutSnapshotPayload( worktrees: [ TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: "wt-1", selectedTabID: "tab-missing", tabs: [ makeTab(tabID: "tab-1") ] ) ] ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsLeafWithEmptyCwdPath() throws { let payload = makePayload(splitRoot: .leaf(surfaceID: "surface-1", cwdPath: " ")) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRejectsSplitNodeWithCwdPath() throws { let invalidRoot = TerminalLayoutSnapshotPayload.SnapshotSplitNode( kind: .split, surfaceID: nil, cwdPath: "/tmp/repo/wt-1", direction: .horizontal, ratio: 0.5, children: [ .leaf(surfaceID: "surface-1"), .leaf(surfaceID: "surface-2"), ] ) let payload = makePayload(splitRoot: invalidRoot) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRoundTripsExtremeSplitRatioForRestoreClamping() throws { let payload = makePayload( splitRoot: .split( direction: .horizontal, ratio: 0.02, children: [ .leaf(surfaceID: "surface-1"), .leaf(surfaceID: "surface-2"), ] ) ) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) #expect(decoded?.worktrees.first?.tabs.first?.splitRoot.ratio == 0.02) }
@Test func decodeValidatedRejectsTypeMismatchInFields() { let invalidJSON = #""" { "version": 1, "worktrees": [ { "worktreeID": "wt-1", "selectedTabID": "tab-1", "tabs": [ { "tabID": "tab-1", "splitRoot": { "kind": "split", "direction": "horizontal", "ratio": "bad", "children": [] } } ] } ] } """# let data = Data(invalidJSON.utf8)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }
@Test func decodeValidatedRoundTripsSelectedWorktreeID() throws { let payload = TerminalLayoutSnapshotPayload( selectedWorktreeID: "wt-1", worktrees: [makeWorktree(worktreeID: "wt-1")] ) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) #expect(decoded?.selectedWorktreeID == "wt-1") }
@Test func decodeValidatedAcceptsNilSelectedWorktreeID() throws { let payload = TerminalLayoutSnapshotPayload( selectedWorktreeID: nil, worktrees: [makeWorktree(worktreeID: "wt-1")] ) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) #expect(decoded?.selectedWorktreeID == nil) }
@Test func decodeValidatedRoundTripsTitleAndIcon() throws { let tab = makeTab(tabID: "tab-1", title: "my-feature", icon: "star") let payload = TerminalLayoutSnapshotPayload( worktrees: [ TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: "wt-1", selectedTabID: "tab-1", tabs: [tab] ) ] ) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) let decodedTab = decoded?.worktrees.first?.tabs.first #expect(decodedTab?.title == "my-feature") #expect(decodedTab?.icon == "star") }
@Test func decodeValidatedRoundTripsNilTitleAndIcon() throws { let tab = makeTab(tabID: "tab-1", title: nil, icon: nil) let payload = TerminalLayoutSnapshotPayload( worktrees: [ TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: "wt-1", selectedTabID: "tab-1", tabs: [tab] ) ] ) let data = try JSONEncoder().encode(payload)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded == payload) let decodedTab = decoded?.worktrees.first?.tabs.first #expect(decodedTab?.title == nil) #expect(decodedTab?.icon == nil) }
@Test func decodeValidatedMigratesV1TitleIntoCustomTitle() { let json = #""" { "version": 1, "worktrees": [ { "worktreeID": "wt-1", "selectedTabID": "tab-1", "tabs": [ { "tabID": "tab-1", "title": "Frozen Title", "splitRoot": { "kind": "leaf", "surfaceID": "surface-1" } } ] } ] } """# let data = Data(json.utf8)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded?.version == TerminalLayoutSnapshotPayload.currentVersion) let decodedTab = decoded?.worktrees.first?.tabs.first #expect(decodedTab?.title == nil) #expect(decodedTab?.customTitle == "Frozen Title") }
@Test func decodeValidatedV1MigrationLeavesExistingCustomTitleAlone() { let json = #""" { "version": 1, "worktrees": [ { "worktreeID": "wt-1", "selectedTabID": "tab-1", "tabs": [ { "tabID": "tab-1", "title": "Live", "customTitle": "Pinned", "splitRoot": { "kind": "leaf", "surfaceID": "surface-1" } } ] } ] } """# let data = Data(json.utf8)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) let decodedTab = decoded?.worktrees.first?.tabs.first #expect(decodedTab?.title == "Live") #expect(decodedTab?.customTitle == "Pinned") }
@Test func decodeValidatedBackwardCompatibleWithoutTitleAndIcon() { let json = #""" { "version": 1, "worktrees": [ { "worktreeID": "wt-1", "selectedTabID": "tab-1", "tabs": [ { "tabID": "tab-1", "splitRoot": { "kind": "leaf", "surfaceID": "surface-1" } } ] } ] } """# let data = Data(json.utf8)
let decoded = TerminalLayoutSnapshotPayload.decodeValidated(from: data) #expect(decoded != nil) let decodedTab = decoded?.worktrees.first?.tabs.first #expect(decodedTab?.title == nil) #expect(decodedTab?.icon == nil) }
@Test func decodeValidatedRejectsSelectedWorktreeIDNotInWorktrees() throws { let payload = TerminalLayoutSnapshotPayload( version: TerminalLayoutSnapshotPayload.currentVersion, selectedWorktreeID: "wt-missing", worktrees: [makeWorktree(worktreeID: "wt-1")] ) let data = try JSONEncoder().encode(payload)
#expect(TerminalLayoutSnapshotPayload.decodeValidated(from: data) == nil) }}
private func makePayload( version: Int = TerminalLayoutSnapshotPayload.currentVersion, worktreeID: String = "wt-1", tabID: String = "tab-1", title: String? = nil, customTitle: String? = nil, splitRoot: TerminalLayoutSnapshotPayload.SnapshotSplitNode = .leaf(surfaceID: "surface-1")) -> TerminalLayoutSnapshotPayload { TerminalLayoutSnapshotPayload( version: version, worktrees: [ TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: worktreeID, selectedTabID: tabID, tabs: [ makeTab(tabID: tabID, title: title, customTitle: customTitle, splitRoot: splitRoot) ] ) ] )}
private func makeWorktree( worktreeID: String) -> TerminalLayoutSnapshotPayload.SnapshotWorktree { TerminalLayoutSnapshotPayload.SnapshotWorktree( worktreeID: worktreeID, selectedTabID: "tab-1", tabs: [ makeTab(tabID: "tab-1") ] )}
private func makeTab( tabID: String, title: String? = nil, customTitle: String? = nil, icon: String? = nil, splitRoot: TerminalLayoutSnapshotPayload.SnapshotSplitNode = .leaf(surfaceID: "surface-1")) -> TerminalLayoutSnapshotPayload.SnapshotTab { TerminalLayoutSnapshotPayload.SnapshotTab( tabID: tabID, title: title, customTitle: customTitle, icon: icon, splitRoot: splitRoot )}
private func makeBalancedSplitTree( depth: Int, leafIndex: inout Int) -> TerminalLayoutSnapshotPayload.SnapshotSplitNode { guard depth > 0 else { let surfaceID = "surface-\(leafIndex)" leafIndex += 1 return .leaf(surfaceID: surfaceID) } let left = makeBalancedSplitTree(depth: depth - 1, leafIndex: &leafIndex) let right = makeBalancedSplitTree(depth: depth - 1, leafIndex: &leafIndex) return .split(direction: .horizontal, ratio: 0.5, children: [left, right])}
private func makeDeepSplitTree( splitCount: Int, leafIndex: inout Int) -> TerminalLayoutSnapshotPayload.SnapshotSplitNode { guard splitCount > 0 else { let surfaceID = "surface-\(leafIndex)" leafIndex += 1 return .leaf(surfaceID: surfaceID) }
let deepBranch = makeDeepSplitTree(splitCount: splitCount - 1, leafIndex: &leafIndex) let siblingSurfaceID = "surface-\(leafIndex)" leafIndex += 1 let siblingLeaf = TerminalLayoutSnapshotPayload.SnapshotSplitNode.leaf(surfaceID: siblingSurfaceID) return .split(direction: .vertical, ratio: 0.5, children: [deepBranch, siblingLeaf])}