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test: cite the store docs in the metadata constraint tests

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Quote and link the Play preview-asset requirements and recommendations
and the F-Droid metadata limits alongside the checks they justify.
This commit is contained in:
austinried
2026-10-08 18:52:44 +00:00
parent ff8011eaf4
commit 7f4e9703d4
1 changed files with 28 additions and 4 deletions
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app/src/test/kotlin/com/subtracks/metadata/MetadataConstraintsTest.kt
+28 -4
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@@ -6,6 +6,26 @@ import org.junit.Test
import java.io.File
import javax.imageio.ImageIO
/**
* Checks the committed store metadata against the stricter of the two stores' rules.
*
* Google Play, "Add preview assets to showcase your app":
* https://support.google.com/googleplay/android-developer/answer/9866151
* - Screenshots (Requirements): "JPEG or 24-bit PNG (no alpha)", "Minimum dimension: 320px",
* "Maximum dimension: 3840px", "The maximum dimension of your screenshot can't be more than
* twice as long as the minimum dimension"; "a minimum of two screenshots" and "up to 8".
* - Screenshots (Highly recommended, not enforced here): "16:9 for landscape ... and 9:16 for
* portrait screenshots (minimum 1080x1920px)" for recommendation eligibility.
* - App icon (Requirements): "32-bit PNG (with alpha)", "512px by 512px", "Maximum file size: 1024KB".
* - Feature graphic (Requirements): "JPEG or 24-bit PNG (no alpha)", "1024px by 500px".
* - Short description (Requirements): "80 character limit".
*
* F-Droid, "All About Descriptions, Graphics, and Screenshots":
* https://f-droid.org/docs/All_About_Descriptions_Graphics_and_Screenshots/
* - Fastlane structure: "title.txt (app name, max 50 chars)",
* "short_description.txt (short description, max 80 chars)",
* "full_description.txt (full app description, max 4000 chars)", "changelogs/... (max 500 chars)".
*/
class MetadataConstraintsTest {
@Test
fun titlesFitStoreLimit() {
@@ -33,6 +53,7 @@ class MetadataConstraintsTest {
}
}
// Play (Requirements): "32-bit PNG (with alpha)", "512px by 512px", "Maximum file size: 1024KB".
@Test
fun iconsAre512AlphaPngsWithinOneMegabyte() {
localeFiles("images/icon.png").forEach { file ->
@@ -49,6 +70,7 @@ class MetadataConstraintsTest {
}
}
// Play (Requirements): "JPEG or 24-bit PNG (no alpha)", "1024px by 500px".
@Test
fun featureGraphicsAre1024x500WithoutAlpha() {
localeFiles("images/featureGraphic.png").forEach { file ->
@@ -59,6 +81,8 @@ class MetadataConstraintsTest {
}
}
// Play (Requirements): 2-8 screenshots, sides 320-3840px, and "The maximum dimension of your
// screenshot can't be more than twice as long as the minimum dimension" (the 2:1 ratio).
@Test
fun phoneScreenshotsMeetStoreRules() {
localeFiles("images/phoneScreenshots").forEach { dir ->
@@ -166,16 +190,16 @@ class MetadataConstraintsTest {
(this[offset + 3].toInt() and 0xFF)
private companion object {
// Play allows 30 and F-Droid 50; the stricter wins.
// Play (Requirements): 30; F-Droid title.txt: 50. Stricter wins.
const val TITLE_LIMIT = 30
// Play and F-Droid both allow 80.
// Play short description and F-Droid short_description.txt: 80.
const val SHORT_DESCRIPTION_LIMIT = 80
// Play and F-Droid both allow 4000.
// F-Droid full_description.txt: 4000.
const val FULL_DESCRIPTION_LIMIT = 4000
// Play's "What's new" and F-Droid's changelog both allow 500.
// Play "What's new" and F-Droid changelogs: 500.
const val CHANGELOG_LIMIT = 500
const val RGB_COLOR_TYPE = 2