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# coding=utf-8
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------
"""
Unit tests for Mosaics Tiler operations.
"""
import io
import logging
from pathlib import Path
from devtools_testutils import recorded_by_proxy
from testpreparer import PlanetaryComputerProClientTestBase, PlanetaryComputerPreparer
from azure.planetarycomputer.models import (
StacSearchParameters,
FilterLanguage,
StacSortExtension,
StacSearchSortingDirection,
TilerImageFormat,
)
# Set up test logger
test_logger = logging.getLogger("test_mosaics_tiler")
test_logger.setLevel(logging.DEBUG)
# Create logs directory if it doesn't exist
log_dir = Path(__file__).parent / "logs"
log_dir.mkdir(exist_ok=True)
# File handler for test logs
log_file = log_dir / "mosaics_tiler_test_results.log"
file_handler = logging.FileHandler(log_file, mode="w")
file_handler.setLevel(logging.DEBUG)
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
file_handler.setFormatter(formatter)
test_logger.addHandler(file_handler)
class TestPlanetaryComputerMosaicsTiler(PlanetaryComputerProClientTestBase):
"""Test suite for Mosaics Tiler operations."""
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_01_register_mosaics_search(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test registering a mosaics search.
Expected response:
- Dictionary with 'searchid' key
- Search ID is a string identifier
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_01_register_mosaics_search")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Create search parameters - filter to 2021-2022 date range
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
test_logger.info(f"Search request: {register_search_request}")
test_logger.info("Calling: register_mosaics_search(...)")
response = client.data.register_mosaics_search(register_search_request)
test_logger.info(f"Response type: {type(response)}")
test_logger.info(f"Response: {response}")
# Validate response structure
assert response is not None, "Response should not be None"
assert hasattr(
response, "search_id"
), "Response should have 'search_id' attribute"
search_id = response.search_id
assert isinstance(
search_id, str
), f"Search ID should be a string, got {type(search_id)}"
assert len(search_id) > 0, "Search ID should not be empty"
test_logger.info(f"Search ID: {search_id}")
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_02_get_mosaics_search_info(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting mosaics search info.
Expected response:
- Object with 'search' attribute
- Search object contains hash and other metadata
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_02_get_mosaics_search_info")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# First register a search
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Registered search ID: {search_id}")
test_logger.info(f"Calling: get_mosaics_search_info(search_id='{search_id}')")
response = client.data.get_mosaics_search_info(search_id=search_id)
test_logger.info(f"Response type: {type(response)}")
if hasattr(response, "as_dict"):
response_dict = response.as_dict()
test_logger.info(f"Response keys: {list(response_dict.keys())}")
# Validate response structure
assert response is not None, "Response should not be None"
assert hasattr(response, "search"), "Response should have 'search' attribute"
search = response.search
test_logger.info(f"Search type: {type(search)}")
assert search is not None, "Search should not be None"
assert hasattr(search, "hash"), "Search should have 'hash' attribute"
search_hash = search.hash
assert isinstance(
search_hash, str
), f"Search hash should be a string, got {type(search_hash)}"
assert len(search_hash) > 0, "Search hash should not be empty"
test_logger.info(f"Search hash: {search_hash}")
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_03_get_mosaics_tile_json(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting mosaics tile JSON.
Expected response:
- TileJSON object with metadata
- Contains tilejson version, tiles URL patterns, bounds, etc.
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_03_get_mosaics_tile_json")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Register search and get hash
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Using search ID: {search_id}")
test_logger.info("Calling: get_mosaics_tile_json(...)")
response = client.data.get_mosaics_tile_json(
search_id=search_id,
tile_matrix_set_id="WebMercatorQuad",
assets=["image"],
asset_band_indices="image|1,2,3",
tile_scale=1,
min_zoom=9,
collection=planetarycomputer_collection_id,
tile_format="png",
)
test_logger.info(f"Response type: {type(response)}")
if hasattr(response, "as_dict"):
response_dict = response.as_dict()
test_logger.info(f"Response keys: {list(response_dict.keys())}")
test_logger.info(f"TileJSON version: {response_dict.get('tilejson')}")
# Validate TileJSON structure (note: attributes accessed via as_dict() for serialization)
assert response is not None, "Response should not be None"
response_dict = response.as_dict() if hasattr(response, "as_dict") else response
# Validate key fields exist
assert "tilejson" in response_dict, "Response should have 'tilejson' key"
assert "tiles" in response_dict, "Response should have 'tiles' key"
# Validate tiles array
tiles = response_dict["tiles"]
assert isinstance(tiles, list), "Tiles should be a list"
assert len(tiles) > 0, "Should have at least one tile URL pattern"
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_04_get_mosaics_tile(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting a specific mosaic tile.
Expected response:
- Binary PNG image data (streaming generator)
- Valid PNG format with magic bytes
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_04_get_mosaics_tile")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
test_logger.info("Input - tile coordinates: z=13, x=2174, y=3282")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Register search
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Using search ID: {search_id}")
test_logger.info("Calling: get_mosaics_tile(...)")
response = client.data.get_mosaics_tile(
search_id=search_id,
tile_matrix_set_id="WebMercatorQuad",
z=13,
x=2174,
y=3282,
scale=1,
format="png",
assets=["image"],
asset_band_indices="image|1,2,3",
collection=planetarycomputer_collection_id,
)
test_logger.info(f"Response type: {type(response)}")
# Collect the streaming response into bytes
image_bytes = b"".join(response)
test_logger.info(f"Image size: {len(image_bytes)} bytes")
test_logger.info(f"First 16 bytes (hex): {image_bytes[:16].hex()}")
# Verify PNG magic bytes
png_magic = b"\x89PNG\r\n\x1a\n"
assert len(image_bytes) > 0, "Image bytes should not be empty"
assert (
len(image_bytes) > 100
), f"Image should be substantial, got only {len(image_bytes)} bytes"
assert (
image_bytes[:8] == png_magic
), "Response should be a valid PNG image (magic bytes mismatch)"
# Parse and validate the PNG image
try:
from PIL import Image as PILImage
image = PILImage.open(io.BytesIO(image_bytes))
test_logger.info(f"PIL Image format: {image.format}")
test_logger.info(f"PIL Image size: {image.size}")
test_logger.info(f"PIL Image mode: {image.mode}")
# Validate image properties
assert (
image.format == "PNG"
), f"Image format should be PNG, got {image.format}"
width, height = image.size
assert (
width > 0 and height > 0
), f"Image should have non-zero dimensions, got {width}x{height}"
except ImportError:
test_logger.warning("PIL not available, skipping detailed image validation")
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_05_get_mosaics_wmts_capabilities(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting WMTS capabilities XML for mosaics.
Expected response:
- XML document describing WMTS service capabilities
- Contains layer information, tile matrix sets, etc.
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_05_get_mosaics_wmts_capabilities")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Register search
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Using search ID: {search_id}")
test_logger.info("Calling: get_mosaics_wmts_capabilities(...)")
response = client.data.get_mosaics_wmts_capabilities(
search_id=search_id,
tile_matrix_set_id="WebMercatorQuad",
tile_format=TilerImageFormat.PNG,
tile_scale=1,
min_zoom=7,
max_zoom=13,
assets=["image"],
asset_band_indices="image|1,2,3",
)
test_logger.info(f"Response type: {type(response)}")
# Collect XML bytes
xml_bytes = b"".join(response)
test_logger.info(f"XML size: {len(xml_bytes)} bytes")
# Decode to string
xml_string = xml_bytes.decode("utf-8")
test_logger.info(f"XML first 200 chars: {xml_string[:200]}")
# Validate XML structure
assert len(xml_bytes) > 0, "XML bytes should not be empty"
# Note: WMTS Capabilities XML may not have <?xml declaration
assert (
"<Capabilities" in xml_string
), "Response should contain Capabilities element"
assert (
"WMTS" in xml_string or "wmts" in xml_string.lower()
), "Response should reference WMTS"
assert (
"TileMatrix" in xml_string
), "Response should contain TileMatrix information"
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_06_get_mosaics_assets_for_point(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting mosaic assets for a specific point.
Expected response:
- List of asset dictionaries
- Each asset has 'id' and other metadata
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_06_get_mosaics_assets_for_point")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
test_logger.info(
"Input - point: longitude=-84.43202751899601, latitude=33.639647639722273"
)
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Register search
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Using search ID: {search_id}")
test_logger.info("Calling: get_mosaics_assets_for_point(...)")
response = client.data.get_mosaics_assets_for_point(
search_id=search_id,
longitude=-84.43202751899601,
latitude=33.639647639722273,
coordinate_reference_system="EPSG:4326",
items_limit=100,
exit_when_full=True,
scan_limit=100,
skip_covered=True,
time_limit=30,
)
test_logger.info(f"Response type: {type(response)}")
test_logger.info(
f"Number of assets: {len(response) if isinstance(response, list) else 'N/A'}"
)
# Validate response structure
assert isinstance(
response, list
), f"Response should be a list, got {type(response)}"
# If we have assets, validate structure
if len(response) > 0:
first_asset = response[0]
test_logger.info(f"First asset type: {type(first_asset)}")
# Asset is a StacAsset object that can be accessed as dict
assert first_asset is not None, "First asset should not be None"
# StacAsset behaves like a dict - access via key
asset_dict = (
first_asset.as_dict()
if hasattr(first_asset, "as_dict")
else first_asset
)
assert (
"id" in asset_dict
), f"Asset should have 'id' key, got keys: {list(asset_dict.keys())}"
asset_id = asset_dict["id"]
test_logger.info(f"First asset ID: {asset_id}")
assert isinstance(
asset_id, str
), f"Asset ID should be a string, got {type(asset_id)}"
assert len(asset_id) > 0, "Asset ID should not be empty"
else:
test_logger.info("No assets returned for this point")
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_07_get_mosaics_assets_for_tile(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test getting mosaic assets for a specific tile.
Expected response:
- List of asset dictionaries
- Assets that intersect with the specified tile
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_07_get_mosaics_assets_for_tile")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
test_logger.info("Input - tile coordinates: z=13, x=2174, y=3282")
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Register search
register_search_request = StacSearchParameters(
filter={
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": ">=",
"args": [{"property": "datetime"}, "2021-01-01T00:00:00Z"],
},
{
"op": "<=",
"args": [{"property": "datetime"}, "2022-12-31T23:59:59Z"],
},
],
},
filter_lang=FilterLanguage.CQL2_JSON,
sort_by=[
StacSortExtension(
direction=StacSearchSortingDirection.DESC, field="datetime"
)
],
)
register_response = client.data.register_mosaics_search(register_search_request)
search_id = register_response.search_id
test_logger.info(f"Using search ID: {search_id}")
test_logger.info("Calling: get_mosaics_assets_for_tile(...)")
response = client.data.get_mosaics_assets_for_tile(
search_id=search_id,
tile_matrix_set_id="WebMercatorQuad",
z=13,
x=2174,
y=3282,
collection_id=planetarycomputer_collection_id,
)
test_logger.info(f"Response type: {type(response)}")
if hasattr(response, "as_dict"):
response_dict = response.as_dict()
test_logger.info(f"Response keys: {list(response_dict.keys())}")
else:
test_logger.info(f"Response: {response}")
# Validate response is not None
assert response is not None, "Response should not be None"
test_logger.info("Test PASSED\n")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_08_create_static_image(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test creating a static image from a mosaic search.
Expected response:
- Object with image ID that can be used to retrieve the image
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_08_create_static_image")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
from azure.planetarycomputer.models import (
ImageParameters,
Polygon,
)
client = self.create_client(endpoint=planetarycomputer_endpoint)
# Define geometry for the static image
geometry = Polygon(
coordinates=[
[
[-84.45378097481053, 33.6567321707079],
[-84.39805886744838, 33.6567321707079],
[-84.39805886744838, 33.61945681366625],
[-84.45378097481053, 33.61945681366625],
[-84.45378097481053, 33.6567321707079],
]
]
)
test_logger.info(f"Geometry: {geometry}")
# Create CQL2-JSON filter
cql_filter = {
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": "anyinteracts",
"args": [
{"property": "datetime"},
{"interval": ["2023-01-01T00:00:00Z", "2023-12-31T00:00:00Z"]},
],
},
],
}
# Create image request
image_request = ImageParameters(
cql=cql_filter,
zoom=13,
geometry=geometry,
render_parameters=f"assets=image&asset_bidx=image|1,2,3&collection={planetarycomputer_collection_id}",
columns=1080,
rows=1080,
image_size="1080x1080",
show_branding=False,
)
test_logger.info(
f"Image request: columns={image_request.columns}, rows={image_request.rows}, zoom={image_request.zoom}"
)
test_logger.info("Calling: create_static_image(...)")
response = client.data.create_static_image(
collection_id=planetarycomputer_collection_id, body=image_request
)
test_logger.info(f"Response type: {type(response)}")
test_logger.info(f"Response: {response}")
# Log response details based on type
if hasattr(response, "as_dict"):
response_dict = response.as_dict()
test_logger.info(f"Response dict keys: {list(response_dict.keys())}")
test_logger.info(f"Response dict: {response_dict}")
@PlanetaryComputerPreparer()
@recorded_by_proxy
def test_09_get_static_image(
self, planetarycomputer_endpoint, planetarycomputer_collection_id
):
"""
Test retrieving a static image by ID.
Expected response:
- Binary image data (streaming generator)
- Valid PNG format with magic bytes
"""
test_logger.info("=" * 80)
test_logger.info("TEST: test_09_get_static_image")
test_logger.info("=" * 80)
test_logger.info(f"Input - endpoint: {planetarycomputer_endpoint}")
test_logger.info(f"Input - collection_id: {planetarycomputer_collection_id}")
from azure.planetarycomputer.models import (
ImageParameters,
Polygon,
)
client = self.create_client(endpoint=planetarycomputer_endpoint)
# First create a static image to get an ID
geometry = Polygon(
coordinates=[
[
[-84.45378097481053, 33.6567321707079],
[-84.39805886744838, 33.6567321707079],
[-84.39805886744838, 33.61945681366625],
[-84.45378097481053, 33.61945681366625],
[-84.45378097481053, 33.6567321707079],
]
]
)
cql_filter = {
"op": "and",
"args": [
{
"op": "=",
"args": [
{"property": "collection"},
planetarycomputer_collection_id,
],
},
{
"op": "anyinteracts",
"args": [
{"property": "datetime"},
{"interval": ["2023-01-01T00:00:00Z", "2023-12-31T00:00:00Z"]},
],
},
],
}
image_request = ImageParameters(
cql=cql_filter,
zoom=13,
geometry=geometry,
render_parameters=f"assets=image&asset_bidx=image|1,2,3&collection={planetarycomputer_collection_id}",
columns=1080,
rows=1080,
image_size="1080x1080",
show_branding=False,
)
create_response = client.data.create_static_image(
collection_id=planetarycomputer_collection_id, body=image_request
)
url = create_response.url
# Extract image ID from URL - split by '?' to remove query params, then get last path segment
image_id = url.split("?")[0].split("/")[-1]
test_logger.info(f"Created image with ID: {image_id}")
test_logger.info(f"Image URL: {url}")
# Assert that we got a valid image ID
assert (
image_id is not None and len(image_id) > 0
), f"Failed to get image ID from create_static_image response: {create_response}"
test_logger.info(
f"Calling: get_static_image(collection_id='{planetarycomputer_collection_id}', id='{image_id}')"
)
image_data = client.data.get_static_image(
collection_id=planetarycomputer_collection_id, id=image_id
)
test_logger.info(f"Image data type: {type(image_data)}")
# Collect the streaming response into bytes
image_bytes = b"".join(image_data)
test_logger.info(f"Image size: {len(image_bytes)} bytes")
test_logger.info(f"First 16 bytes (hex): {image_bytes[:16].hex()}")
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