Input validation to handle 502 Errors

imap_data_access/__init__.py

@@ -67,7 +67,6 @@
     "l1cb",
     "l1d",
     "l2",
-    "l2pre",
     "l3",
     "l3a",
     "l3b",

imap_data_access/file_validation.py

@@ -207,6 +207,46 @@ def is_valid_date(input_date: str) -> bool:
         except ValueError:
             return False
 
+    @staticmethod
+    def is_valid_version(input_version: str) -> bool:
+        """Check input version string is in valid format 'vXXX' or 'latest'.
+
+        Parameters
+        ----------
+        input_version : str
+            Version to be checked.
+
+        Returns
+        -------
+        bool
+            Whether input version is valid or not.
+        """
+        if input_version != "latest" and (
+            input_version[0] != "v" and len(input_version) != 4
+        ):
+            return False
+        else:
+            return True
+
+    @staticmethod
+    def is_valid_repointing(input_repointing: str) -> bool:
+        """Check input version string is in valid format 'vXXX' or 'latest'.
+
+        Parameters
+        ----------
+        input_repointing : str
+            Repointing to be checked.
+
+        Returns
+        -------
+        bool
+            Whether input repointing is valid or not.
+        """
+        if not re.fullmatch(r"repoint\d{5}", str(input_repointing)):
+            return False
+        else:
+            return True
+
     def construct_path(self) -> Path:
         """Construct valid path from class variables and data_dir.
 

imap_data_access/io.py

@@ -13,6 +13,7 @@
 from urllib.parse import urlencode
 
 import imap_data_access
+from imap_data_access import file_validation
 
 logger = logging.getLogger(__name__)
 
@@ -99,6 +100,8 @@ def download(file_path: Union[Path, str]) -> Path:
     return destination
 
 
+# Too many branches error
+# ruff: noqa: PLR0912
 def query(
     *,
     instrument: Optional[str] = None,
@@ -159,6 +162,52 @@ def query(
             "At least one query parameter must be provided. "
             "Run 'query -h' for more information."
         )
+    # Check instrument name
+    if instrument is not None:
+        if instrument not in imap_data_access.VALID_INSTRUMENTS:
+            raise ValueError(
+                "Not a valid instrument, please choose from "
+                + ", ".join(imap_data_access.VALID_INSTRUMENTS)
+            )
+
+    # Check data-level
+    # do an if statement that checks that data_level was passed in,
+    # then check it against all options, l0, l1a, l1b, l2, l3 etc.
+    if data_level is not None:
+        if data_level not in imap_data_access.VALID_DATALEVELS:
+            raise ValueError(
+                "Not a valid data level, choose from "
+                + ", ".join(imap_data_access.VALID_DATALEVELS)
+            )
+
+    # Check start-date
+    if start_date is not None:
+        if not file_validation.ScienceFilePath.is_valid_date(start_date):
+            raise ValueError("Not a valid start date, use format 'YYYYMMDD'.")
+
+    # Check end-date
+    if end_date is not None:
+        if not file_validation.ScienceFilePath.is_valid_date(end_date):
+            raise ValueError("Not a valid end date, use format 'YYYYMMDD'.")
+
+    # Check version make sure to include 'latest'
+    if version is not None:
+        if not file_validation.ScienceFilePath.is_valid_version(version):
+            raise ValueError("Not a valid version, use format 'vXXX'.")
+
+    # check repointing follows 'repoint00000' format
+    if repointing is not None:
+        if not file_validation.ScienceFilePath.is_valid_repointing(repointing):
+            raise ValueError(
+                "Not a valid repointing, use format repointing<num>,"
+                " where <num> is a 5 digit integer."
+            )
+
+    # check extension
+    if extension is not None:
+        if extension not in imap_data_access.VALID_FILE_EXTENSION:
+            raise ValueError("Not a valid extension, choose from ('pkts', 'cdf').")
+
     url = f"{imap_data_access.config['DATA_ACCESS_URL']}"
     url += f"/query?{urlencode(query_params)}"
 

tests/test_io.py

@@ -4,6 +4,7 @@
 
 import json
 import os
+import re
 import unittest
 from io import BytesIO
 from pathlib import Path
@@ -158,8 +159,8 @@ def test_download_already_exists(mock_urlopen: unittest.mock.MagicMock):
             "descriptor": "test-description",
             "start_date": "20100101",
             "end_date": "20100102",
-            "repointing": "00001",
-            "version": "000",
+            "repointing": "repoint00001",
+            "version": "v000",
             "extension": "pkts",
         },
         # Make sure not all query params are sent if they are missing
@@ -218,6 +219,61 @@ def test_query_bad_params(mock_urlopen: unittest.mock.MagicMock):
     assert mock_urlopen.call_count == 0
 
 
+@pytest.mark.parametrize(
+    ("query_flag", "query_input", "expected_output"),
+    [
+        # All parameters should  not send query
+        (
+            "instrument",
+            "badInput",
+            "Not a valid instrument, please choose from "
+            + ", ".join(imap_data_access.VALID_INSTRUMENTS),
+        ),
+        (
+            "data_level",
+            "badInput",
+            "Not a valid data level, choose from "
+            + ", ".join(imap_data_access.VALID_DATALEVELS),
+        ),
+        ("start_date", "badInput", "Not a valid start date, use format 'YYYYMMDD'."),
+        ("end_date", "badInput", "Not a valid end date, use format 'YYYYMMDD'."),
+        (
+            "repointing",
+            "badInput",
+            "Not a valid repointing, use format repointing<num>, "
+            "where <num> is a 5 digit integer.",
+        ),
+        ("version", "badInput", "Not a valid version, use format 'vXXX'."),
+        (
+            "extension",
+            "badInput",
+            re.escape("Not a valid extension, choose from ('pkts', 'cdf')."),
+        ),
+    ],
+)
+def test_bad_query_input(query_flag, query_input, expected_output):
+    """Test a function call to query with correct params but bad values.
+
+     Ensures correct error message is returned.
+
+    Parameters
+    ----------
+    query_flag : str
+        correct query flag.
+    query_input : str
+        incorrect query input.
+    expected_output : str
+        Output error expected to be given.
+    """
+    kwargs = {query_flag: query_input}
+
+    # Check if the ValueError is raised and contains the correct message
+    with pytest.raises(ValueError, match=expected_output):
+        imap_data_access.query(**kwargs)
+
+    # assert str(excinfo.value) == expected_output
+
+
 def test_upload_no_file(mock_urlopen: unittest.mock.MagicMock):
     """Test a call to the upload API that has no filename supplied.