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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations

import jmespath
from chart_utils.helm_template_generator import render_chart


class TestStatsdService:
    """Tests statsd service labels."""

    TEMPLATE_FILE = "templates/statsd/statsd-service.yaml"

    def test_should_add_global_labels(self):
        """Test adding only .Values.labels."""
        docs = render_chart(
            values={
                "statsd": {"enabled": True},
                "labels": {"test_global_label": "test_global_label_value"},
            },
            show_only=[self.TEMPLATE_FILE],
        )

        assert "test_global_label" in jmespath.search("metadata.labels", docs[0])
        assert jmespath.search("metadata.labels", docs[0])["test_global_label"] == "test_global_label_value"

    def test_should_add_component_specific_labels(self):
        """Test adding only .Values.statsd.labels."""
        docs = render_chart(
            values={
                "statsd": {
                    "enabled": True,
                    "labels": {"test_component_label": "test_component_label_value"},
                },
            },
            show_only=[self.TEMPLATE_FILE],
        )

        assert "test_component_label" in jmespath.search("metadata.labels", docs[0])
        assert (
            jmespath.search("metadata.labels", docs[0])["test_component_label"]
            == "test_component_label_value"
        )

    def test_should_merge_global_and_component_specific_labels(self):
        """Test adding both .Values.labels and .Values.statsd.labels."""
        docs = render_chart(
            values={
                "statsd": {
                    "enabled": True,
                    "labels": {"test_component_label": "test_component_label_value"},
                },
                "labels": {"test_global_label": "test_global_label_value"},
            },
            show_only=[self.TEMPLATE_FILE],
        )

        assert "test_global_label" in jmespath.search("metadata.labels", docs[0])
        assert jmespath.search("metadata.labels", docs[0])["test_global_label"] == "test_global_label_value"
        assert "test_component_label" in jmespath.search("metadata.labels", docs[0])
        assert (
            jmespath.search("metadata.labels", docs[0])["test_component_label"]
            == "test_component_label_value"
        )

    def test_component_specific_labels_should_override_global_labels(self):
        """Test that component-specific labels take precedence over global labels with the same key."""
        docs = render_chart(
            values={
                "statsd": {
                    "enabled": True,
                    "labels": {"common_label": "component_value"},
                },
                "labels": {"common_label": "global_value"},
            },
            show_only=[self.TEMPLATE_FILE],
        )

        assert "common_label" in jmespath.search("metadata.labels", docs[0])
        assert jmespath.search("metadata.labels", docs[0])["common_label"] == "component_value"
