grain.social/grain-ios
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@testable import Grain
import XCTest
final class BlueskyPostTests: GrainTestCase {
private let url = "https://grain.social/profile/did:plc:abc/gallery/xyz"
/// POI with distinct name — append locality, region, country
func testBuildPostText_POILocation_IncludesFullContext() {
let text = BlueskyPost.buildPostText(
url: url,
title: "2025-10-12",
location: (
name: "Overlook Mountain Fire Tower",
address: [
"locality": AnyCodable("Town of Woodstock"),
"region": AnyCodable("New York"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertEqual(text, """
2025-10-12
📍 Overlook Mountain Fire Tower, Town of Woodstock, New York, US
#GrainSocial \(url)
""")
}
/// Coffee shop POI — primary label differs from locality, so locality is kept.
func testBuildPostText_POICafe_IncludesLocality() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: (
name: "Blue Bottle Coffee",
address: [
"locality": AnyCodable("Oakland"),
"region": AnyCodable("California"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertTrue(text.contains("📍 Blue Bottle Coffee, Oakland, California, US"),
"Got: \(text)")
}
/// Nominatim city fallback — `name` already contains locality/region/country.
/// Must NOT duplicate by appending region + country.
func testBuildPostText_CityName_DoesNotDuplicate() {
let text = BlueskyPost.buildPostText(
url: url,
title: "2025-09-14",
location: (
name: "New York, New York, United States",
address: [
"locality": AnyCodable("New York"),
"region": AnyCodable("New York"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertEqual(text, """
2025-09-14
📍 New York, US
#GrainSocial \(url)
""")
}
/// `name` already includes the state abbreviation. Must not repeat it.
func testBuildPostText_NameWithStateAbbrev_DoesNotDuplicate() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: (
name: "Seattle, WA",
address: [
"locality": AnyCodable("Seattle"),
"region": AnyCodable("WA"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertTrue(text.contains("📍 Seattle, WA, US"), "Got: \(text)")
XCTAssertFalse(text.contains("Seattle, WA, Seattle"))
XCTAssertFalse(text.contains("WA, WA"))
}
/// Real story from moll.blue: `name` contains county baked in by older client.
/// Must render as "Kansas City, Missouri, US" — no county, no duplication.
func testBuildPostText_NameWithEmbeddedCounty_SkipsCounty() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: (
name: "Kansas City, Jackson County, Missouri, United States",
address: [
"locality": AnyCodable("Kansas City"),
"region": AnyCodable("Missouri"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertTrue(text.contains("📍 Kansas City, Missouri, US"), "Got: \(text)")
XCTAssertFalse(text.contains("County"), "Got: \(text)")
}
/// POI where region differs from the primary label.
func testBuildPostText_CityWithDistinctRegion_IncludesRegion() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: (
name: "Albany, New York, United States",
address: [
"locality": AnyCodable("Albany"),
"region": AnyCodable("New York"),
"country": AnyCodable("US"),
]
),
description: nil
)
XCTAssertTrue(text.contains("📍 Albany, New York, US"),
"Got: \(text)")
}
func testBuildPostText_TitleAndDescription_JoinedWithComma() {
let text = BlueskyPost.buildPostText(
url: url,
title: "Sunset at the Beach",
location: nil,
description: "A lovely evening"
)
XCTAssertTrue(text.hasPrefix("Sunset at the Beach, A lovely evening"))
}
/// Legacy community.lexicon.location.hthree records have no address.
/// Name should be preserved as-is — don't strip context after first comma.
func testBuildPostText_LegacyHthreeRecord_PreservesFullName() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: (name: "Eindhoven, North Brabant, Netherlands", address: nil),
description: nil
)
XCTAssertTrue(text.contains("📍 Eindhoven, North Brabant, Netherlands"),
"Got: \(text)")
}
func testBuildPostText_NoLocationNoContent_ProducesCleanSuffix() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: nil,
description: nil
)
XCTAssertEqual(text, "\n#GrainSocial \(url)")
}
func testBuildPostText_AddressOnlyCountry_StillRenders() {
let text = BlueskyPost.buildPostText(
url: url,
title: "Trip",
location: (
name: "Eiffel Tower",
address: ["country": AnyCodable("FR")]
),
description: nil
)
XCTAssertTrue(text.contains("📍 Eiffel Tower, FR"))
}
/// A long title+description used to truncate to exactly 301 graphemes —
/// one over the lexicon cap — and the PDS silently rejected the cross-post.
func testBuildPostText_LongDescription_FitsGraphemeLimit() {
let text = BlueskyPost.buildPostText(
url: url,
title: "Autumn walk",
location: (
name: "Kansas City",
address: [
"locality": AnyCodable("Kansas City"),
"region": AnyCodable("Missouri"),
"country": AnyCodable("US"),
]
),
description: String(repeating: "a", count: 600)
)
XCTAssertEqual(text.count, 300)
XCTAssertLessThanOrEqual(text.utf8.count, 3000)
XCTAssertTrue(text.hasSuffix("#GrainSocial \(url)"))
XCTAssertTrue(text.contains("…"))
}
/// Multi-byte content is capped by graphemes, not by bytes.
func testBuildPostText_LongEmojiDescription_FitsBothLimits() {
let text = BlueskyPost.buildPostText(
url: url,
title: nil,
location: nil,
description: String(repeating: "🌄", count: 400)
)
XCTAssertLessThanOrEqual(text.count, 300)
XCTAssertLessThanOrEqual(text.utf8.count, 3000)
}
/// A URL long enough to eat the whole budget drops the content rather than
/// emitting a lone ellipsis that still overflows.
func testBuildPostText_SuffixFillsBudget_DropsContent() {
let longURL = "https://grain.social/" + String(repeating: "x", count: 400)
let text = BlueskyPost.buildPostText(
url: longURL,
title: "Autumn walk",
location: nil,
description: "A lovely evening"
)
XCTAssertEqual(text, "\n#GrainSocial \(longURL)")
}
}