Generate some additional test data

examples/array_write_read.rs

@@ -1,6 +1,7 @@
 #[cfg(feature = "ndarray")]
 fn array_write_read() -> Result<(), Box<dyn std::error::Error>> {
     use rayon::prelude::{IntoParallelIterator, ParallelIterator};
+    use std::sync::Arc;
     use zarrs::{
         array::{chunk_grid::ChunkGridTraits, DataType},
         array::{codec, FillValue},
@@ -12,7 +13,8 @@ fn array_write_read() -> Result<(), Box<dyn std::error::Error>> {
     // Create a store
     // let path = tempfile::TempDir::new()?;
     // let store = Arc::new(store::FilesystemStore::new(path.path())?);
-    let store = std::sync::Arc::new(store::MemoryStore::default());
+    // let store = Arc::new(store::FilesystemStore::new("tests/data/array_write_read.zarr")?);
+    let store = Arc::new(store::MemoryStore::default());
 
     // Create a group and write metadata to filesystem
     let group_path = "/group";

examples/sharded_array_write_read.rs

@@ -16,6 +16,7 @@ fn sharded_array_write_read() -> Result<(), Box<dyn std::error::Error>> {
     // Create a store
     // let path = tempfile::TempDir::new()?;
     // let store = Arc::new(store::FilesystemStore::new(path.path())?);
+    // let store = Arc::new(store::FilesystemStore::new("tests/data/sharded_array_write_read.zarr")?);
     let store = Arc::new(store::MemoryStore::default());
 
     // Create a group and write metadata to filesystem

tests/data/array_write_read.zarr/group/array/zarr.json

@@ -0,0 +1,43 @@
+{
+  "node_type": "array",
+  "zarr_format": 3,
+  "shape": [
+    8,
+    8
+  ],
+  "data_type": "float32",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        4,
+        4
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": "NaN",
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "gzip",
+      "configuration": {
+        "level": 5
+      }
+    }
+  ],
+  "dimension_names": [
+    "y",
+    "x"
+  ]
+}

tests/data/array_write_read.zarr/group/zarr.json

@@ -0,0 +1,7 @@
+{
+  "node_type": "group",
+  "zarr_format": 3,
+  "attributes": {
+    "foo": "bar"
+  }
+}

tests/data/sharded_array_write_read.zarr/group/array/zarr.json

@@ -0,0 +1,66 @@
+{
+  "node_type": "array",
+  "zarr_format": 3,
+  "shape": [
+    8,
+    8
+  ],
+  "data_type": "uint16",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        4,
+        8
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": 0,
+  "codecs": [
+    {
+      "name": "sharding_indexed",
+      "configuration": {
+        "chunk_shape": [
+          4,
+          4
+        ],
+        "codecs": [
+          {
+            "name": "bytes",
+            "configuration": {
+              "endian": "little"
+            }
+          },
+          {
+            "name": "gzip",
+            "configuration": {
+              "level": 5
+            }
+          }
+        ],
+        "index_codecs": [
+          {
+            "name": "bytes",
+            "configuration": {
+              "endian": "little"
+            }
+          },
+          {
+            "name": "crc32c",
+            "configuration": {}
+          }
+        ]
+      }
+    }
+  ],
+  "dimension_names": [
+    "y",
+    "x"
+  ]
+}

tests/data/sharded_array_write_read.zarr/group/zarr.json

@@ -0,0 +1,7 @@
+{
+  "node_type": "group",
+  "zarr_format": 3,
+  "attributes": {
+    "foo": "bar"
+  }
+}