1 files changed, 127 insertions, 0 deletions
diff --git a/Tests/NorgKitTests/Models/NorgBlockTests.swift b/Tests/NorgKitTests/Models/NorgBlockTests.swift
new file mode 100644
index 0000000..d9d18c2
--- /dev/null
+++ b/Tests/NorgKitTests/Models/NorgBlockTests.swift
@@ -0,0 +1,127 @@
+import Foundation
+import Testing
+
+@testable import NorgKit
+
+struct NorgBlockTests {
+
+  private let span = [InlineSpan(text: "x")]
+  private let title = [InlineSpan(text: "t")]
+  private let body: [NorgBlock] = [.paragraph(content: [InlineSpan(text: "b")], line: 1)]
+
+  private var allBlocks: [NorgBlock] {
+    [
+      .heading(level: 1, status: .done, content: span, line: 0),
+      .paragraph(content: span, line: 1),
+      .unorderedListItem(level: 1, status: .undone, content: span, line: 2),
+      .orderedListItem(level: 1, status: .pending, content: span, line: 3),
+      .quote(level: 1, status: .urgent, content: span, line: 4),
+      .codeBlock(language: "swift", code: "c", line: 5),
+      .definition(title: title, status: .needsInput, body: body, line: 6),
+      .footnote(title: title, status: .onHold, body: body, line: 7),
+      .tableCell(title: title, status: .recurring, body: body, line: 8),
+      .rangedTag(name: ["img"], parameters: ["a"], content: "c", line: 9),
+      .horizontalRule(line: 10),
+      .weakDelimiter(line: 11),
+      .strongDelimiter(line: 12),
+    ]
+  }
+
+  @Test func lineReportsSourceLineForEveryCase() {
+    for (expected, block) in allBlocks.enumerated() {
+      #expect(block.line == expected)
+    }
+  }
+
+  @Test func statusReturnsValueForStatusBearingBlocks() {
+    #expect(NorgBlock.heading(level: 1, status: .done, content: span, line: 0).status == .done)
+    #expect(
+      NorgBlock.unorderedListItem(level: 1, status: .undone, content: span, line: 0).status
+        == .undone)
+    #expect(
+      NorgBlock.orderedListItem(level: 1, status: .pending, content: span, line: 0).status
+        == .pending)
+    #expect(NorgBlock.quote(level: 1, status: .urgent, content: span, line: 0).status == .urgent)
+    #expect(
+      NorgBlock.definition(title: title, status: .needsInput, body: body, line: 0).status
+        == .needsInput)
+    #expect(
+      NorgBlock.footnote(title: title, status: .onHold, body: body, line: 0).status == .onHold)
+    #expect(
+      NorgBlock.tableCell(title: title, status: .recurring, body: body, line: 0).status
+        == .recurring)
+  }
+
+  @Test func statusIsNilForBlocksThatCannotCarryOne() {
+    #expect(NorgBlock.paragraph(content: span, line: 0).status == nil)
+    #expect(NorgBlock.codeBlock(language: nil, code: "c", line: 0).status == nil)
+    #expect(NorgBlock.rangedTag(name: ["x"], parameters: [], content: "c", line: 0).status == nil)
+    #expect(NorgBlock.horizontalRule(line: 0).status == nil)
+    #expect(NorgBlock.weakDelimiter(line: 0).status == nil)
+    #expect(NorgBlock.strongDelimiter(line: 0).status == nil)
+  }
+
+  @Test func contentReturnsInlineSpansOrTitle() {
+    #expect(NorgBlock.heading(level: 1, status: nil, content: span, line: 0).content == span)
+    #expect(NorgBlock.paragraph(content: span, line: 0).content == span)
+    #expect(
+      NorgBlock.unorderedListItem(level: 1, status: nil, content: span, line: 0).content == span)
+    #expect(
+      NorgBlock.orderedListItem(level: 1, status: nil, content: span, line: 0).content == span)
+    #expect(NorgBlock.quote(level: 1, status: nil, content: span, line: 0).content == span)
+    #expect(NorgBlock.definition(title: title, status: nil, body: body, line: 0).content == title)
+    #expect(NorgBlock.footnote(title: title, status: nil, body: body, line: 0).content == title)
+    #expect(NorgBlock.tableCell(title: title, status: nil, body: body, line: 0).content == title)
+  }
+
+  @Test func contentIsNilForContentlessBlocks() {
+    #expect(NorgBlock.codeBlock(language: nil, code: "c", line: 0).content == nil)
+    #expect(NorgBlock.rangedTag(name: ["x"], parameters: [], content: "c", line: 0).content == nil)
+    #expect(NorgBlock.horizontalRule(line: 0).content == nil)
+    #expect(NorgBlock.weakDelimiter(line: 0).content == nil)
+    #expect(NorgBlock.strongDelimiter(line: 0).content == nil)
+  }
+
+  @Test func bodyReturnsNestedBlocksForRangeableBlocks() {
+    #expect(NorgBlock.definition(title: title, status: nil, body: body, line: 0).body == body)
+    #expect(NorgBlock.footnote(title: title, status: nil, body: body, line: 0).body == body)
+    #expect(NorgBlock.tableCell(title: title, status: nil, body: body, line: 0).body == body)
+  }
+
+  @Test func bodyIsNilForNonRangeableBlocks() {
+    #expect(NorgBlock.heading(level: 1, status: nil, content: span, line: 0).body == nil)
+    #expect(NorgBlock.paragraph(content: span, line: 0).body == nil)
+    #expect(NorgBlock.codeBlock(language: nil, code: "c", line: 0).body == nil)
+    #expect(NorgBlock.horizontalRule(line: 0).body == nil)
+  }
+
+  @Test func settingStatusReplacesStatusOnSupportingBlocks() {
+    let cases: [NorgBlock] = [
+      .heading(level: 2, status: nil, content: span, line: 0),
+      .unorderedListItem(level: 1, status: nil, content: span, line: 0),
+      .orderedListItem(level: 1, status: nil, content: span, line: 0),
+      .quote(level: 1, status: nil, content: span, line: 0),
+      .definition(title: title, status: nil, body: body, line: 0),
+      .footnote(title: title, status: nil, body: body, line: 0),
+      .tableCell(title: title, status: nil, body: body, line: 0),
+    ]
+    for block in cases {
+      #expect(block.status == nil)
+      let set = block.settingStatus(.done)
+      #expect(set.status == .done)
+      #expect(set.line == block.line)
+      #expect(set.content == block.content)
+      #expect(set.body == block.body)
+      #expect(set.settingStatus(nil).status == nil)
+    }
+  }
+
+  @Test func settingStatusLeavesUnsupportedBlocksUnchanged() {
+    let paragraph = NorgBlock.paragraph(content: span, line: 0)
+    #expect(paragraph.settingStatus(.done) == paragraph)
+    let rule = NorgBlock.horizontalRule(line: 0)
+    #expect(rule.settingStatus(.done) == rule)
+    let code = NorgBlock.codeBlock(language: "swift", code: "c", line: 0)
+    #expect(code.settingStatus(.urgent) == code)
+  }
+}