diff --git a/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T210934Z_S012G01_subsetted.nc4 b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T210934Z_S012G01_subsetted.nc4
new file mode 100644
index 0000000..73084df
Binary files /dev/null and b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T210934Z_S012G01_subsetted.nc4 differ
diff --git a/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T211614Z_S012G02_subsetted.nc4 b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T211614Z_S012G02_subsetted.nc4
new file mode 100644
index 0000000..f21701a
Binary files /dev/null and b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T211614Z_S012G02_subsetted.nc4 differ
diff --git a/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T212254Z_S012G03_subsetted.nc4 b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T212254Z_S012G03_subsetted.nc4
new file mode 100644
index 0000000..28de57b
Binary files /dev/null and b/tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T212254Z_S012G03_subsetted.nc4 differ
diff --git a/tests/data/harmony/message.json b/tests/data/harmony/message.json
new file mode 100644
index 0000000..21eb885
--- /dev/null
+++ b/tests/data/harmony/message.json
@@ -0,0 +1,16 @@
+{
+    "sources": [{
+        "collection": "C1234088182-EEDTEST"
+    }],
+    "format": {
+        "mime": "application/x-netcdf4"
+    },
+    "subset": {},
+    "requestId": "00001111-2222-3333-4444-555566667777",
+    "user": "jdoe",
+    "client": "harmony-example",
+    "isSynchronous": false,
+    "stagingLocation": "s3://example-bucket/public/some-org/some-service/some-uuid/",
+    "callback": "http://localhost/some-path",
+    "version": "0.10.0"
+}
diff --git a/tests/data/harmony/source/catalog.json b/tests/data/harmony/source/catalog.json
new file mode 100644
index 0000000..213f7a5
--- /dev/null
+++ b/tests/data/harmony/source/catalog.json
@@ -0,0 +1,30 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "cfc32383-cfd1-4e43-8d5f-55f539b6fa59",
+  "links": [
+    {
+      "rel": "harmony_source",
+      "href": "https://cmr.uat.earthdata.nasa.gov/search/concepts/C1234088182-EEDTEST"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G01.json",
+      "type": "application/json",
+      "title": "granule_S012G01"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G02.json",
+      "type": "application/json",
+      "title": "granule_S012G02"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G03.json",
+      "type": "application/json",
+      "title": "granule_S012G03"
+    }
+  ],
+  "description": "CMR Granules for C1234088182-EEDTEST batch 1"
+}
diff --git a/tests/data/harmony/source/catalog0.json b/tests/data/harmony/source/catalog0.json
new file mode 100644
index 0000000..f4de590
--- /dev/null
+++ b/tests/data/harmony/source/catalog0.json
@@ -0,0 +1,30 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "cfc32383-cfd1-4e43-8d5f-55f539b6fa59",
+  "links": [
+    {
+      "rel": "harmony_source",
+      "href": "https://cmr.uat.earthdata.nasa.gov/search/concepts/C1234088182-EEDTEST"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G01.json",
+      "type": "application/json",
+      "title": "granule_S012G01"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G02.json",
+      "type": "application/json",
+      "title": "granule_S012G02"
+    },
+    {
+      "rel": "next",
+      "href": "tests/data/harmony/source/catalog1.json",
+      "type": "application/json",
+      "title": "Next page"
+    }
+  ],
+  "description": "CMR Granules for C1234088182-EEDTEST batch 1"
+}
diff --git a/tests/data/harmony/source/catalog1.json b/tests/data/harmony/source/catalog1.json
new file mode 100644
index 0000000..0361054
--- /dev/null
+++ b/tests/data/harmony/source/catalog1.json
@@ -0,0 +1,24 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "cfc32383-cfd1-4e43-8d5f-55f539b6fa59",
+  "links": [
+    {
+      "rel": "harmony_source",
+      "href": "https://cmr.uat.earthdata.nasa.gov/search/concepts/C1234088182-EEDTEST"
+    },
+    {
+      "rel": "item",
+      "href": "./granule_S012G03.json",
+      "type": "application/json",
+      "title": "granule_S012G03"
+    },
+    {
+      "rel": "prev",
+      "href": "tests/data/harmony/source/catalog0.json",
+      "type": "application/json",
+      "title": "Previous page"
+    }
+  ],
+  "description": "CMR Granules for C1234088182-EEDTEST batch 2"
+}
diff --git a/tests/data/harmony/source/granule_S012G01.json b/tests/data/harmony/source/granule_S012G01.json
new file mode 100644
index 0000000..8220f5e
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G01.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "51d02b24-d00e-4640-9887-05f98f6b96d8",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-02T00:00:00.000Z",
+    "end_datetime": "2020-01-02T23:59:59.000Z"
+  },
+  "bbox": [1, 3, 1, 3],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granule_copies_dir/TEMPO_NO2_L2_V03_20240601T210934Z_S012G01_subsetted.nc4",
+      "title": "TEMPO_NO2_L2_V03_20240601T210934Z_S012G01_subsetted.nc4",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}
diff --git a/tests/data/harmony/source/granule_S012G02.json b/tests/data/harmony/source/granule_S012G02.json
new file mode 100644
index 0000000..091f46e
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G02.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "21eb7dc5-7a9d-4374-9a88-12451ba653ef",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-03T00:00:00.000Z",
+    "end_datetime": "2020-01-03T23:59:59.000Z"
+  },
+  "bbox": [-1, -3, -1, -3],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granule_copies_dir/TEMPO_NO2_L2_V03_20240601T211614Z_S012G02_subsetted.nc4",
+      "title": "TEMPO_NO2_L2_V03_20240601T211614Z_S012G02_subsetted.nc4",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}
diff --git a/tests/data/harmony/source/granule_S012G03.json b/tests/data/harmony/source/granule_S012G03.json
new file mode 100644
index 0000000..383a427
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G03.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "dc07a25a-54bd-4389-97b6-c1d68cf0d586",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-05T00:00:00.000Z",
+    "end_datetime": "2020-01-05T23:59:59.000Z"
+  },
+  "bbox": [-4, -2, -4, 2],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granule_copies_dir/TEMPO_NO2_L2_V03_20240601T212254Z_S012G03_subsetted.nc4",
+      "title": "TEMPO_NO2_L2_V03_20240601T212254Z_S012G03_subsetted.nc4",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}
diff --git a/tests/data/harmony/source/granule_S012G04.json b/tests/data/harmony/source/granule_S012G04.json
new file mode 100644
index 0000000..6f4b460
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G04.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "53cdf09b-4004-4405-9363-f93455a11c2f",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-04T00:00:00.000Z",
+    "end_datetime": "2020-01-04T23:59:59.000Z"
+  },
+  "bbox": [4, 2, 4, 2],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T120121Z_S012G04.nc",
+      "title": "TEMPO_NO2_L2_V03_20240601T120121Z_S012G04.nc",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}
diff --git a/tests/data/harmony/source/granule_S012G05.json b/tests/data/harmony/source/granule_S012G05.json
new file mode 100644
index 0000000..1766751
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G05.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "349b5f4a-34ab-4b0d-ae00-b55fe3d166fb",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-05T00:00:00.000Z",
+    "end_datetime": "2020-01-05T23:59:59.000Z"
+  },
+  "bbox": [-5, -3, -5, 3],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T120128Z_S012G05.nc",
+      "title": "TEMPO_NO2_L2_V03_20240601T120128Z_S012G05.nc",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}
diff --git a/tests/data/harmony/source/granule_S012G06.json b/tests/data/harmony/source/granule_S012G06.json
new file mode 100644
index 0000000..94135f2
--- /dev/null
+++ b/tests/data/harmony/source/granule_S012G06.json
@@ -0,0 +1,49 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [],
+  "id": "cb0271ad-05a9-4138-8bfb-fa6b83fbe6fa",
+  "type": "Feature",
+  "links": [],
+  "properties": {
+    "start_datetime": "2020-01-05T00:00:00.000Z",
+    "end_datetime": "2020-01-05T23:59:59.000Z"
+  },
+  "bbox": [5, 3, 5, 3],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          -179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          89.95
+        ],
+        [
+          179.95,
+          89.95
+        ],
+        [
+          179.95,
+          -89.95
+        ],
+        [
+          -179.95,
+          -89.95
+        ]
+      ]
+    ]
+  },
+  "assets": {
+    "data": {
+      "href": "file://tests/data/harmony/granules/TEMPO_NO2_L2_V03_20240601T120135Z_S012G06.nc",
+      "title": "TEMPO_NO2_L2_V03_20240601T120135Z_S012G06.nc",
+      "type": "application/x-netcdf4",
+      "roles": [
+        "data"
+      ]
+    }
+  }
+}