1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
import Foundation
import Testing
@testable import NorgKit
struct TreeFolderTests {
private func headingLevel(_ node: NorgNode?) -> Int? {
guard case .heading(let level, _, _, _)? = node?.block else { return nil }
return level
}
private func plainText(_ node: NorgNode?) -> String? {
switch node?.block {
case .heading(_, _, let content, _),
.paragraph(let content, _),
.unorderedListItem(_, _, let content, _),
.quote(_, _, let content, _):
return content.plainText
default:
return nil
}
}
@Test func headingOwnsFollowingParagraph() {
let tree = NorgParser.parseTree("* Title\nbody paragraph")
#expect(tree.count == 1)
#expect(headingLevel(tree.first) == 1)
#expect(tree.first?.children.count == 1)
#expect(plainText(tree.first?.children.first) == "body paragraph")
}
@Test func subHeadingNestsUnderParent() {
let tree = NorgParser.parseTree("* H1\npara one\n** H2\npara two")
#expect(tree.count == 1)
let h1 = tree.first
#expect(headingLevel(h1) == 1)
#expect(h1?.children.count == 2)
#expect(plainText(h1?.children.first) == "para one")
let h2 = h1?.children.last
#expect(headingLevel(h2) == 2)
#expect(plainText(h2?.children.first) == "para two")
}
@Test func sameOrHigherHeadingClosesScope() {
let tree = NorgParser.parseTree("* H1\nbody\n* H2")
#expect(tree.count == 2)
#expect(headingLevel(tree.first) == 1)
#expect(headingLevel(tree.last) == 1)
#expect(tree.first?.children.count == 1)
#expect(tree.last?.children.isEmpty == true)
}
@Test func weakDelimiterClosesOneLevel() {
let tree = NorgParser.parseTree("* H1\n** H2\ninner\n*** H3\ninnerinner\n---\nback in h1")
#expect(tree.count == 1)
let h1 = tree.first
#expect(h1?.children.count == 1)
let h2 = h1?.children.first
#expect(h2?.children.count == 3)
#expect(headingLevel(h2) == 2)
#expect(plainText(h2?.children.first) == "inner")
let h3 = h2?.children[1]
#expect(headingLevel(h3) == 3)
#expect(plainText(h3?.children.first) == "innerinner")
#expect(h3?.children.count == 1)
#expect(plainText(h2?.children.last) == "back in h1")
#expect(
h1?.children.allSatisfy {
if case .weakDelimiter = $0.block { return false }
return true
} == true)
}
@Test func strongDelimiterClosesAllLevels() {
let tree = NorgParser.parseTree("* H1\n** H2\ninner\n*** H3\ninnerinner\n===\nat root")
#expect(tree.count == 2)
#expect(headingLevel(tree.first) == 1)
#expect(plainText(tree.last) == "at root")
}
@Test func nestableItemsNestByLevelAndType() {
let tree = NorgParser.parseTree("- one\n-- nested\n--- deeper\n- two")
#expect(tree.count == 2)
let one = tree.first
#expect(plainText(one) == "one")
#expect(one?.children.count == 1)
let nested = one?.children.first
#expect(plainText(nested) == "nested")
#expect(plainText(nested?.children.first) == "deeper")
#expect(plainText(tree.last) == "two")
}
@Test func differentNestableTypeDoesNotNest() {
let tree = NorgParser.parseTree("- item\n~ ordered")
#expect(tree.count == 2)
#expect(tree.first?.children.isEmpty == true)
}
@Test func quotesNestByLevel() {
let tree = NorgParser.parseTree("> one\n>> nested\n> two")
#expect(tree.count == 2)
let one = tree.first
#expect(plainText(one) == "one")
#expect(one?.children.count == 1)
#expect(plainText(one?.children.first) == "nested")
#expect(plainText(tree.last) == "two")
}
@Test func listNestsUnderHeading() {
let tree = NorgParser.parseTree("* Tasks\n- ( ) a\n-- ( ) sub")
let heading = tree.first
#expect(headingLevel(heading) == 1)
#expect(heading?.children.count == 1)
let item = heading?.children.first
#expect(plainText(item) == "a")
#expect(plainText(item?.children.first) == "sub")
}
@Test func horizontalRuleStaysALeaf() {
let tree = NorgParser.parseTree("* H\n___\ntext")
let heading = tree.first
#expect(heading?.children.count == 2)
if case .horizontalRule = heading?.children.first?.block {
} else {
Issue.record("Expected horizontal rule leaf")
}
#expect(heading?.children.first?.children.isEmpty == true)
}
@Test func parseTreeMatchesParseThenFold() {
let source = "* H1\npara\n** H2\n- list\n-- sub\n===\nroot para"
#expect(NorgParser.parseTree(source) == NorgParser.parse(source).tree())
}
@Test func treeRoundTripsThroughJSON() throws {
let tree = NorgParser.parseTree("* H1\nbody\n** H2\n- ( ) task")
let data = try JSONEncoder().encode(tree)
let decoded = try JSONDecoder().decode([NorgNode].self, from: data)
#expect(decoded == tree)
}
}
|
