Fix upstream fixture-backed level setups

app/src/test/java/solutions/tretter/githugandroid/LevelSolutionsTest.kt

@@ -98,6 +98,52 @@ class LevelSolutionsTest {
         )
     }
 
+    @Test
+    fun upstreamFixtureBackedLevelsExposeSourceShapedSetup() {
+        val gitBinary = testGitBinary()
+        val runtimeRoot = testSandboxRoot().apply {
+            deleteRecursively()
+            mkdirs()
+        }
+
+        fun prepared(level: Level): RepoState = GitRepositoryRuntime(runtimeRoot, gitBinary).prepareLevel(level)
+        fun RepoState.fileContent(path: String): String = files.firstOrNull { it.name == path }?.content.orEmpty()
+
+        val conflict = prepared(conflictLevel())
+        assertEquals("master", conflict.headBranch)
+        assertTrue(conflict.fileContent("poem.txt").contains("Categorized shoes by color"))
+        assertTrue(conflict.branches.containsKey("mybranch"))
+
+        val grep = prepared(grepLevel())
+        assertTrue(grep.fileContent("app.rb").contains("# TODO Make site url variable."))
+        assertTrue(grep.fileContent("config.rb").contains("# TODO Move password to a configuration file."))
+
+        val findOldBranch = prepared(findOldBranchLevel())
+        assertEquals("master", findOldBranch.headBranch)
+        assertEquals(
+            setOf("blowup_sun_for_ransom", "cure_common_cold", "master", "solve_world_hunger"),
+            findOldBranch.branches.keys,
+        )
+
+        val deleteBranch = prepared(deleteBranchLevel())
+        assertTrue(deleteBranch.files.any { it.name == "readme" && it.tracked })
+        assertTrue(deleteBranch.branches.containsKey("delete_me"))
+
+        val diff = prepared(diffLevel())
+        assertTrue(diff.fileContent("app.rb").contains("@message = get_response('server.json')"))
+
+        val stash = prepared(stashLevel())
+        assertTrue(stash.fileContent("lyrics.txt").contains("Hear them loudly cry:\nHey!"))
+
+        val cherryPick = prepared(cherryPickLevel())
+        assertTrue(cherryPick.fileContent("README.md").contains("I'll fill in the file some time later.."))
+        assertTrue(cherryPick.fileContent("hardcore-math.js").contains("console.log(42 * i);"))
+        assertTrue(cherryPick.branches.containsKey("new-feature"))
+
+        val blame = prepared(blameLevel())
+        assertTrue(blame.fileContent("config.rb").contains("@password = password || \"i<3evil\""))
+    }
+
     @Test
     fun reportedRegressionCommandsDoNotSolveLevels() {
         val statusRepo = statusLevel().setup()