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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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from __future__ import annotations

import jmespath

from tests.charts.helm_template_generator import render_chart


class TestDagsPersistentVolumeClaim:
    """Tests DAGs PVC."""

    def test_should_not_generate_a_document_if_persistence_is_disabled(self):
        docs = render_chart(
            values={"dags": {"persistence": {"enabled": False}}},
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        assert 0 == len(docs)

    def test_should_not_generate_a_document_when_using_an_existing_claim(self):
        docs = render_chart(
            values={"dags": {"persistence": {"enabled": True, "existingClaim": "test-claim"}}},
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        assert 0 == len(docs)

    def test_should_generate_a_document_if_persistence_is_enabled_and_not_using_an_existing_claim(self):
        docs = render_chart(
            values={"dags": {"persistence": {"enabled": True, "existingClaim": None}}},
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        assert 1 == len(docs)

    def test_should_set_pvc_details_correctly(self):
        docs = render_chart(
            values={
                "dags": {
                    "persistence": {
                        "enabled": True,
                        "size": "1G",
                        "existingClaim": None,
                        "storageClassName": "MyStorageClass",
                        "accessMode": "ReadWriteMany",
                    }
                }
            },
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        assert {
            "accessModes": ["ReadWriteMany"],
            "resources": {"requests": {"storage": "1G"}},
            "storageClassName": "MyStorageClass",
        } == jmespath.search("spec", docs[0])

    def test_single_annotation(self):
        docs = render_chart(
            values={
                "dags": {
                    "persistence": {
                        "enabled": True,
                        "size": "1G",
                        "existingClaim": None,
                        "storageClassName": "MyStorageClass",
                        "accessMode": "ReadWriteMany",
                        "annotations": {"key": "value"},
                    }
                }
            },
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        annotations = jmespath.search("metadata.annotations", docs[0])
        assert "value" == annotations.get("key")

    def test_multiple_annotations(self):
        docs = render_chart(
            values={
                "dags": {
                    "persistence": {
                        "enabled": True,
                        "size": "1G",
                        "existingClaim": None,
                        "storageClassName": "MyStorageClass",
                        "accessMode": "ReadWriteMany",
                        "annotations": {"key": "value", "key-two": "value-two"},
                    }
                }
            },
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )

        annotations = jmespath.search("metadata.annotations", docs[0])
        assert "value" == annotations.get("key")
        assert "value-two" == annotations.get("key-two")

    def test_dags_persistent_volume_claim_template_storage_class_name(self):
        docs = render_chart(
            values={
                "dags": {
                    "persistence": {
                        "existingClaim": None,
                        "enabled": True,
                        "storageClassName": "{{ .Release.Name }}-storage-class",
                    }
                }
            },
            show_only=["templates/dags-persistent-volume-claim.yaml"],
        )
        assert "release-name-storage-class" == jmespath.search("spec.storageClassName", docs[0])