import Testing
@testable import gitbay

struct DiffLineAccessibilityTests {

    @Test func additionReadsNewNumber() {
        let line = UnifiedDiff.Line(kind: .addition, oldNumber: nil, newNumber: 13, text: "let x = 1")
        #expect(line.accessibilityLabel == "Added line 13: let x = 1")
    }

    @Test func deletionReadsOldNumber() {
        let line = UnifiedDiff.Line(kind: .deletion, oldNumber: 12, newNumber: nil, text: "let x = 0")
        #expect(line.accessibilityLabel == "Removed line 12: let x = 0")
    }

    @Test func contextReadsNewNumber() {
        let line = UnifiedDiff.Line(kind: .context, oldNumber: 11, newNumber: 14, text: "}")
        #expect(line.accessibilityLabel == "Line 14: }")
    }

    @Test func blankLineSaysBlank() {
        let line = UnifiedDiff.Line(kind: .addition, oldNumber: nil, newNumber: 3, text: "   ")
        #expect(line.accessibilityLabel == "Added line 3: blank")
    }
}