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-rw-r--r--changelog.d/14964.feature1
-rw-r--r--rust/benches/evaluator.rs65
-rw-r--r--rust/src/push/evaluator.rs69
-rw-r--r--rust/src/push/mod.rs83
-rw-r--r--stubs/synapse/synapse_rust/push.pyi7
-rw-r--r--synapse/config/experimental.py5
-rw-r--r--synapse/push/bulk_push_rule_evaluator.py18
-rw-r--r--synapse/types/__init__.py2
-rw-r--r--tests/push/test_push_rule_evaluator.py147
9 files changed, 356 insertions, 41 deletions
diff --git a/changelog.d/14964.feature b/changelog.d/14964.feature
new file mode 100644
index 0000000000..13c0bc193b
--- /dev/null
+++ b/changelog.d/14964.feature
@@ -0,0 +1 @@
+Implement the experimental `exact_event_match` push rule condition from [MSC3758](https://github.com/matrix-org/matrix-spec-proposals/pull/3758).
diff --git a/rust/benches/evaluator.rs b/rust/benches/evaluator.rs
index 35f7a50bce..229553ebf8 100644
--- a/rust/benches/evaluator.rs
+++ b/rust/benches/evaluator.rs
@@ -16,6 +16,7 @@
 use std::collections::BTreeSet;
 use synapse::push::{
     evaluator::PushRuleEvaluator, Condition, EventMatchCondition, FilteredPushRules, PushRules,
+    SimpleJsonValue,
 };
 use test::Bencher;
 
@@ -24,9 +25,18 @@ extern crate test;
 #[bench]
 fn bench_match_exact(b: &mut Bencher) {
     let flattened_keys = [
-        ("type".to_string(), "m.text".to_string()),
-        ("room_id".to_string(), "!room:server".to_string()),
-        ("content.body".to_string(), "test message".to_string()),
+        (
+            "type".to_string(),
+            SimpleJsonValue::Str("m.text".to_string()),
+        ),
+        (
+            "room_id".to_string(),
+            SimpleJsonValue::Str("!room:server".to_string()),
+        ),
+        (
+            "content.body".to_string(),
+            SimpleJsonValue::Str("test message".to_string()),
+        ),
     ]
     .into_iter()
     .collect();
@@ -43,6 +53,7 @@ fn bench_match_exact(b: &mut Bencher) {
         true,
         vec![],
         false,
+        false,
     )
     .unwrap();
 
@@ -63,9 +74,18 @@ fn bench_match_exact(b: &mut Bencher) {
 #[bench]
 fn bench_match_word(b: &mut Bencher) {
     let flattened_keys = [
-        ("type".to_string(), "m.text".to_string()),
-        ("room_id".to_string(), "!room:server".to_string()),
-        ("content.body".to_string(), "test message".to_string()),
+        (
+            "type".to_string(),
+            SimpleJsonValue::Str("m.text".to_string()),
+        ),
+        (
+            "room_id".to_string(),
+            SimpleJsonValue::Str("!room:server".to_string()),
+        ),
+        (
+            "content.body".to_string(),
+            SimpleJsonValue::Str("test message".to_string()),
+        ),
     ]
     .into_iter()
     .collect();
@@ -82,6 +102,7 @@ fn bench_match_word(b: &mut Bencher) {
         true,
         vec![],
         false,
+        false,
     )
     .unwrap();
 
@@ -102,9 +123,18 @@ fn bench_match_word(b: &mut Bencher) {
 #[bench]
 fn bench_match_word_miss(b: &mut Bencher) {
     let flattened_keys = [
-        ("type".to_string(), "m.text".to_string()),
-        ("room_id".to_string(), "!room:server".to_string()),
-        ("content.body".to_string(), "test message".to_string()),
+        (
+            "type".to_string(),
+            SimpleJsonValue::Str("m.text".to_string()),
+        ),
+        (
+            "room_id".to_string(),
+            SimpleJsonValue::Str("!room:server".to_string()),
+        ),
+        (
+            "content.body".to_string(),
+            SimpleJsonValue::Str("test message".to_string()),
+        ),
     ]
     .into_iter()
     .collect();
@@ -121,6 +151,7 @@ fn bench_match_word_miss(b: &mut Bencher) {
         true,
         vec![],
         false,
+        false,
     )
     .unwrap();
 
@@ -141,9 +172,18 @@ fn bench_match_word_miss(b: &mut Bencher) {
 #[bench]
 fn bench_eval_message(b: &mut Bencher) {
     let flattened_keys = [
-        ("type".to_string(), "m.text".to_string()),
-        ("room_id".to_string(), "!room:server".to_string()),
-        ("content.body".to_string(), "test message".to_string()),
+        (
+            "type".to_string(),
+            SimpleJsonValue::Str("m.text".to_string()),
+        ),
+        (
+            "room_id".to_string(),
+            SimpleJsonValue::Str("!room:server".to_string()),
+        ),
+        (
+            "content.body".to_string(),
+            SimpleJsonValue::Str("test message".to_string()),
+        ),
     ]
     .into_iter()
     .collect();
@@ -160,6 +200,7 @@ fn bench_eval_message(b: &mut Bencher) {
         true,
         vec![],
         false,
+        false,
     )
     .unwrap();
 
diff --git a/rust/src/push/evaluator.rs b/rust/src/push/evaluator.rs
index ec7a8c4453..dd6b4343ec 100644
--- a/rust/src/push/evaluator.rs
+++ b/rust/src/push/evaluator.rs
@@ -22,8 +22,8 @@ use regex::Regex;
 
 use super::{
     utils::{get_glob_matcher, get_localpart_from_id, GlobMatchType},
-    Action, Condition, EventMatchCondition, FilteredPushRules, KnownCondition,
-    RelatedEventMatchCondition,
+    Action, Condition, EventMatchCondition, ExactEventMatchCondition, FilteredPushRules,
+    KnownCondition, RelatedEventMatchCondition, SimpleJsonValue,
 };
 
 lazy_static! {
@@ -61,9 +61,9 @@ impl RoomVersionFeatures {
 /// Allows running a set of push rules against a particular event.
 #[pyclass]
 pub struct PushRuleEvaluator {
-    /// A mapping of "flattened" keys to string values in the event, e.g.
+    /// A mapping of "flattened" keys to simple JSON values in the event, e.g.
     /// includes things like "type" and "content.msgtype".
-    flattened_keys: BTreeMap<String, String>,
+    flattened_keys: BTreeMap<String, SimpleJsonValue>,
 
     /// The "content.body", if any.
     body: String,
@@ -87,7 +87,7 @@ pub struct PushRuleEvaluator {
 
     /// The related events, indexed by relation type. Flattened in the same manner as
     /// `flattened_keys`.
-    related_events_flattened: BTreeMap<String, BTreeMap<String, String>>,
+    related_events_flattened: BTreeMap<String, BTreeMap<String, SimpleJsonValue>>,
 
     /// If msc3664, push rules for related events, is enabled.
     related_event_match_enabled: bool,
@@ -98,6 +98,9 @@ pub struct PushRuleEvaluator {
     /// If MSC3931 (room version feature flags) is enabled. Usually controlled by the same
     /// flag as MSC1767 (extensible events core).
     msc3931_enabled: bool,
+
+    /// If MSC3758 (exact_event_match push rule condition) is enabled.
+    msc3758_exact_event_match: bool,
 }
 
 #[pymethods]
@@ -106,22 +109,23 @@ impl PushRuleEvaluator {
     #[allow(clippy::too_many_arguments)]
     #[new]
     pub fn py_new(
-        flattened_keys: BTreeMap<String, String>,
+        flattened_keys: BTreeMap<String, SimpleJsonValue>,
         has_mentions: bool,
         user_mentions: BTreeSet<String>,
         room_mention: bool,
         room_member_count: u64,
         sender_power_level: Option<i64>,
         notification_power_levels: BTreeMap<String, i64>,
-        related_events_flattened: BTreeMap<String, BTreeMap<String, String>>,
+        related_events_flattened: BTreeMap<String, BTreeMap<String, SimpleJsonValue>>,
         related_event_match_enabled: bool,
         room_version_feature_flags: Vec<String>,
         msc3931_enabled: bool,
+        msc3758_exact_event_match: bool,
     ) -> Result<Self, Error> {
-        let body = flattened_keys
-            .get("content.body")
-            .cloned()
-            .unwrap_or_default();
+        let body = match flattened_keys.get("content.body") {
+            Some(SimpleJsonValue::Str(s)) => s.clone(),
+            _ => String::new(),
+        };
 
         Ok(PushRuleEvaluator {
             flattened_keys,
@@ -136,6 +140,7 @@ impl PushRuleEvaluator {
             related_event_match_enabled,
             room_version_feature_flags,
             msc3931_enabled,
+            msc3758_exact_event_match,
         })
     }
 
@@ -252,6 +257,9 @@ impl PushRuleEvaluator {
             KnownCondition::EventMatch(event_match) => {
                 self.match_event_match(event_match, user_id)?
             }
+            KnownCondition::ExactEventMatch(exact_event_match) => {
+                self.match_exact_event_match(exact_event_match)?
+            }
             KnownCondition::RelatedEventMatch(event_match) => {
                 self.match_related_event_match(event_match, user_id)?
             }
@@ -337,7 +345,9 @@ impl PushRuleEvaluator {
             return Ok(false);
         };
 
-        let haystack = if let Some(haystack) = self.flattened_keys.get(&*event_match.key) {
+        let haystack = if let Some(SimpleJsonValue::Str(haystack)) =
+            self.flattened_keys.get(&*event_match.key)
+        {
             haystack
         } else {
             return Ok(false);
@@ -355,6 +365,27 @@ impl PushRuleEvaluator {
         compiled_pattern.is_match(haystack)
     }
 
+    /// Evaluates a `exact_event_match` condition. (MSC3758)
+    fn match_exact_event_match(
+        &self,
+        exact_event_match: &ExactEventMatchCondition,
+    ) -> Result<bool, Error> {
+        // First check if the feature is enabled.
+        if !self.msc3758_exact_event_match {
+            return Ok(false);
+        }
+
+        let value = &exact_event_match.value;
+
+        let haystack = if let Some(haystack) = self.flattened_keys.get(&*exact_event_match.key) {
+            haystack
+        } else {
+            return Ok(false);
+        };
+
+        Ok(haystack == &**value)
+    }
+
     /// Evaluates a `related_event_match` condition. (MSC3664)
     fn match_related_event_match(
         &self,
@@ -410,7 +441,7 @@ impl PushRuleEvaluator {
             return Ok(false);
         };
 
-        let haystack = if let Some(haystack) = event.get(&**key) {
+        let haystack = if let Some(SimpleJsonValue::Str(haystack)) = event.get(&**key) {
             haystack
         } else {
             return Ok(false);
@@ -455,7 +486,10 @@ impl PushRuleEvaluator {
 #[test]
 fn push_rule_evaluator() {
     let mut flattened_keys = BTreeMap::new();
-    flattened_keys.insert("content.body".to_string(), "foo bar bob hello".to_string());
+    flattened_keys.insert(
+        "content.body".to_string(),
+        SimpleJsonValue::Str("foo bar bob hello".to_string()),
+    );
     let evaluator = PushRuleEvaluator::py_new(
         flattened_keys,
         false,
@@ -468,6 +502,7 @@ fn push_rule_evaluator() {
         true,
         vec![],
         true,
+        true,
     )
     .unwrap();
 
@@ -482,7 +517,10 @@ fn test_requires_room_version_supports_condition() {
     use crate::push::{PushRule, PushRules};
 
     let mut flattened_keys = BTreeMap::new();
-    flattened_keys.insert("content.body".to_string(), "foo bar bob hello".to_string());
+    flattened_keys.insert(
+        "content.body".to_string(),
+        SimpleJsonValue::Str("foo bar bob hello".to_string()),
+    );
     let flags = vec![RoomVersionFeatures::ExtensibleEvents.as_str().to_string()];
     let evaluator = PushRuleEvaluator::py_new(
         flattened_keys,
@@ -496,6 +534,7 @@ fn test_requires_room_version_supports_condition() {
         false,
         flags,
         true,
+        true,
     )
     .unwrap();
 
diff --git a/rust/src/push/mod.rs b/rust/src/push/mod.rs
index 3c4f876cab..79e519fe11 100644
--- a/rust/src/push/mod.rs
+++ b/rust/src/push/mod.rs
@@ -56,7 +56,9 @@ use std::collections::{BTreeMap, HashMap, HashSet};
 
 use anyhow::{Context, Error};
 use log::warn;
+use pyo3::exceptions::PyTypeError;
 use pyo3::prelude::*;
+use pyo3::types::{PyBool, PyLong, PyString};
 use pythonize::{depythonize, pythonize};
 use serde::de::Error as _;
 use serde::{Deserialize, Serialize};
@@ -248,6 +250,36 @@ impl<'de> Deserialize<'de> for Action {
     }
 }
 
+/// A simple JSON values (string, int, boolean, or null).
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
+#[serde(untagged)]
+pub enum SimpleJsonValue {
+    Str(String),
+    Int(i64),
+    Bool(bool),
+    Null,
+}
+
+impl<'source> FromPyObject<'source> for SimpleJsonValue {
+    fn extract(ob: &'source PyAny) -> PyResult<Self> {
+        if let Ok(s) = <PyString as pyo3::PyTryFrom>::try_from(ob) {
+            Ok(SimpleJsonValue::Str(s.to_string()))
+        // A bool *is* an int, ensure we try bool first.
+        } else if let Ok(b) = <PyBool as pyo3::PyTryFrom>::try_from(ob) {
+            Ok(SimpleJsonValue::Bool(b.extract()?))
+        } else if let Ok(i) = <PyLong as pyo3::PyTryFrom>::try_from(ob) {
+            Ok(SimpleJsonValue::Int(i.extract()?))
+        } else if ob.is_none() {
+            Ok(SimpleJsonValue::Null)
+        } else {
+            Err(PyTypeError::new_err(format!(
+                "Can't convert from {} to SimpleJsonValue",
+                ob.get_type().name()?
+            )))
+        }
+    }
+}
+
 /// A condition used in push rules to match against an event.
 ///
 /// We need this split as `serde` doesn't give us the ability to have a
@@ -267,6 +299,8 @@ pub enum Condition {
 #[serde(tag = "kind")]
 pub enum KnownCondition {
     EventMatch(EventMatchCondition),
+    #[serde(rename = "com.beeper.msc3758.exact_event_match")]
+    ExactEventMatch(ExactEventMatchCondition),
     #[serde(rename = "im.nheko.msc3664.related_event_match")]
     RelatedEventMatch(RelatedEventMatchCondition),
     #[serde(rename = "org.matrix.msc3952.is_user_mention")]
@@ -309,6 +343,13 @@ pub struct EventMatchCondition {
     pub pattern_type: Option<Cow<'static, str>>,
 }
 
+/// The body of a [`Condition::ExactEventMatch`]
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct ExactEventMatchCondition {
+    pub key: Cow<'static, str>,
+    pub value: Cow<'static, SimpleJsonValue>,
+}
+
 /// The body of a [`Condition::RelatedEventMatch`]
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RelatedEventMatchCondition {
@@ -543,6 +584,48 @@ fn test_deserialize_unstable_msc3931_condition() {
 }
 
 #[test]
+fn test_deserialize_unstable_msc3758_condition() {
+    // A string condition should work.
+    let json =
+        r#"{"kind":"com.beeper.msc3758.exact_event_match","key":"content.value","value":"foo"}"#;
+
+    let condition: Condition = serde_json::from_str(json).unwrap();
+    assert!(matches!(
+        condition,
+        Condition::Known(KnownCondition::ExactEventMatch(_))
+    ));
+
+    // A boolean condition should work.
+    let json =
+        r#"{"kind":"com.beeper.msc3758.exact_event_match","key":"content.value","value":true}"#;
+
+    let condition: Condition = serde_json::from_str(json).unwrap();
+    assert!(matches!(
+        condition,
+        Condition::Known(KnownCondition::ExactEventMatch(_))
+    ));
+
+    // An integer condition should work.
+    let json = r#"{"kind":"com.beeper.msc3758.exact_event_match","key":"content.value","value":1}"#;
+
+    let condition: Condition = serde_json::from_str(json).unwrap();
+    assert!(matches!(
+        condition,
+        Condition::Known(KnownCondition::ExactEventMatch(_))
+    ));
+
+    // A null condition should work
+    let json =
+        r#"{"kind":"com.beeper.msc3758.exact_event_match","key":"content.value","value":null}"#;
+
+    let condition: Condition = serde_json::from_str(json).unwrap();
+    assert!(matches!(
+        condition,
+        Condition::Known(KnownCondition::ExactEventMatch(_))
+    ));
+}
+
+#[test]
 fn test_deserialize_unstable_msc3952_user_condition() {
     let json = r#"{"kind":"org.matrix.msc3952.is_user_mention"}"#;
 
diff --git a/stubs/synapse/synapse_rust/push.pyi b/stubs/synapse/synapse_rust/push.pyi
index 754acab2f9..328f681a29 100644
--- a/stubs/synapse/synapse_rust/push.pyi
+++ b/stubs/synapse/synapse_rust/push.pyi
@@ -14,7 +14,7 @@
 
 from typing import Any, Collection, Dict, Mapping, Optional, Sequence, Set, Tuple, Union
 
-from synapse.types import JsonDict
+from synapse.types import JsonDict, SimpleJsonValue
 
 class PushRule:
     @property
@@ -56,17 +56,18 @@ def get_base_rule_ids() -> Collection[str]: ...
 class PushRuleEvaluator:
     def __init__(
         self,
-        flattened_keys: Mapping[str, str],
+        flattened_keys: Mapping[str, SimpleJsonValue],
         has_mentions: bool,
         user_mentions: Set[str],
         room_mention: bool,
         room_member_count: int,
         sender_power_level: Optional[int],
         notification_power_levels: Mapping[str, int],
-        related_events_flattened: Mapping[str, Mapping[str, str]],
+        related_events_flattened: Mapping[str, Mapping[str, SimpleJsonValue]],
         related_event_match_enabled: bool,
         room_version_feature_flags: Tuple[str, ...],
         msc3931_enabled: bool,
+        msc3758_exact_event_match: bool,
     ): ...
     def run(
         self,
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 5e3a889081..6ac2f0c10d 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -169,6 +169,11 @@ class ExperimentalConfig(Config):
         # MSC3925: do not replace events with their edits
         self.msc3925_inhibit_edit = experimental.get("msc3925_inhibit_edit", False)
 
+        # MSC3758: exact_event_match push rule condition
+        self.msc3758_exact_event_match = experimental.get(
+            "msc3758_exact_event_match", False
+        )
+
         # MSC3873: Disambiguate event_match keys.
         self.msc3783_escape_event_match_key = experimental.get(
             "msc3783_escape_event_match_key", False
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index 39d2f88f03..8568aca528 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -43,6 +43,7 @@ from synapse.events.snapshot import EventContext
 from synapse.state import POWER_KEY
 from synapse.storage.databases.main.roommember import EventIdMembership
 from synapse.synapse_rust.push import FilteredPushRules, PushRuleEvaluator
+from synapse.types import SimpleJsonValue
 from synapse.types.state import StateFilter
 from synapse.util.caches import register_cache
 from synapse.util.metrics import measure_func
@@ -256,13 +257,15 @@ class BulkPushRuleEvaluator:
 
         return pl_event.content if pl_event else {}, sender_level
 
-    async def _related_events(self, event: EventBase) -> Dict[str, Dict[str, str]]:
+    async def _related_events(
+        self, event: EventBase
+    ) -> Dict[str, Dict[str, SimpleJsonValue]]:
         """Fetches the related events for 'event'. Sets the im.vector.is_falling_back key if the event is from a fallback relation
 
         Returns:
             Mapping of relation type to flattened events.
         """
-        related_events: Dict[str, Dict[str, str]] = {}
+        related_events: Dict[str, Dict[str, SimpleJsonValue]] = {}
         if self._related_event_match_enabled:
             related_event_id = event.content.get("m.relates_to", {}).get("event_id")
             relation_type = event.content.get("m.relates_to", {}).get("rel_type")
@@ -425,6 +428,7 @@ class BulkPushRuleEvaluator:
             self._related_event_match_enabled,
             event.room_version.msc3931_push_features,
             self.hs.config.experimental.msc1767_enabled,  # MSC3931 flag
+            self.hs.config.experimental.msc3758_exact_event_match,
         )
 
         users = rules_by_user.keys()
@@ -501,15 +505,15 @@ StateGroup = Union[object, int]
 def _flatten_dict(
     d: Union[EventBase, Mapping[str, Any]],
     prefix: Optional[List[str]] = None,
-    result: Optional[Dict[str, str]] = None,
+    result: Optional[Dict[str, SimpleJsonValue]] = None,
     *,
     msc3783_escape_event_match_key: bool = False,
-) -> Dict[str, str]:
+) -> Dict[str, SimpleJsonValue]:
     """
     Given a JSON dictionary (or event) which might contain sub dictionaries,
     flatten it into a single layer dictionary by combining the keys & sub-keys.
 
-    Any (non-dictionary), non-string value is dropped.
+    String, integer, boolean, and null values are kept. All others are dropped.
 
     Transforms:
 
@@ -538,8 +542,8 @@ def _flatten_dict(
             # nested fields.
             key = key.replace("\\", "\\\\").replace(".", "\\.")
 
-        if isinstance(value, str):
-            result[".".join(prefix + [key])] = value.lower()
+        if isinstance(value, (bool, str)) or type(value) is int or value is None:
+            result[".".join(prefix + [key])] = value
         elif isinstance(value, Mapping):
             # do not set `room_version` due to recursion considerations below
             _flatten_dict(
diff --git a/synapse/types/__init__.py b/synapse/types/__init__.py
index f82d1cfc29..52e366c8ae 100644
--- a/synapse/types/__init__.py
+++ b/synapse/types/__init__.py
@@ -69,6 +69,8 @@ StateMap = Mapping[StateKey, T]
 MutableStateMap = MutableMapping[StateKey, T]
 
 # JSON types. These could be made stronger, but will do for now.
+# A "simple" (canonical) JSON value.
+SimpleJsonValue = Optional[Union[str, int, bool]]
 # A JSON-serialisable dict.
 JsonDict = Dict[str, Any]
 # A JSON-serialisable mapping; roughly speaking an immutable JSONDict.
diff --git a/tests/push/test_push_rule_evaluator.py b/tests/push/test_push_rule_evaluator.py
index 516b65cc3c..6603447341 100644
--- a/tests/push/test_push_rule_evaluator.py
+++ b/tests/push/test_push_rule_evaluator.py
@@ -57,7 +57,7 @@ class FlattenDictTestCase(unittest.TestCase):
         )
 
     def test_non_string(self) -> None:
-        """Non-string items are dropped."""
+        """Booleans, ints, and nulls should be kept while other items are dropped."""
         input: Dict[str, Any] = {
             "woo": "woo",
             "foo": True,
@@ -66,7 +66,9 @@ class FlattenDictTestCase(unittest.TestCase):
             "fuzz": [],
             "boo": {},
         }
-        self.assertEqual({"woo": "woo"}, _flatten_dict(input))
+        self.assertEqual(
+            {"woo": "woo", "foo": True, "bar": 1, "baz": None}, _flatten_dict(input)
+        )
 
     def test_event(self) -> None:
         """Events can also be flattened."""
@@ -86,9 +88,9 @@ class FlattenDictTestCase(unittest.TestCase):
         )
         expected = {
             "content.msgtype": "m.text",
-            "content.body": "hello world!",
+            "content.body": "Hello world!",
             "content.format": "org.matrix.custom.html",
-            "content.formatted_body": "<h1>hello world!</h1>",
+            "content.formatted_body": "<h1>Hello world!</h1>",
             "room_id": "!test:test",
             "sender": "@alice:test",
             "type": "m.room.message",
@@ -166,6 +168,7 @@ class PushRuleEvaluatorTestCase(unittest.TestCase):
             related_event_match_enabled=True,
             room_version_feature_flags=event.room_version.msc3931_push_features,
             msc3931_enabled=True,
+            msc3758_exact_event_match=True,
         )
 
     def test_display_name(self) -> None:
@@ -410,6 +413,142 @@ class PushRuleEvaluatorTestCase(unittest.TestCase):
             "pattern should not match before a newline",
         )
 
+    def test_exact_event_match_string(self) -> None:
+        """Check that exact_event_match conditions work as expected for strings."""
+
+        # Test against a string value.
+        condition = {
+            "kind": "com.beeper.msc3758.exact_event_match",
+            "key": "content.value",
+            "value": "foobaz",
+        }
+        self._assert_matches(
+            condition,
+            {"value": "foobaz"},
+            "exact value should match",
+        )
+        self._assert_not_matches(
+            condition,
+            {"value": "FoobaZ"},
+            "values should match and be case-sensitive",
+        )
+        self._assert_not_matches(
+            condition,
+            {"value": "test foobaz test"},
+            "values must exactly match",
+        )
+        value: Any
+        for value in (True, False, 1, 1.1, None, [], {}):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect types should not match",
+            )
+
+        # it should work on frozendicts too
+        self._assert_matches(
+            condition,
+            frozendict.frozendict({"value": "foobaz"}),
+            "values should match on frozendicts",
+        )
+
+    def test_exact_event_match_boolean(self) -> None:
+        """Check that exact_event_match conditions work as expected for booleans."""
+
+        # Test against a True boolean value.
+        condition = {
+            "kind": "com.beeper.msc3758.exact_event_match",
+            "key": "content.value",
+            "value": True,
+        }
+        self._assert_matches(
+            condition,
+            {"value": True},
+            "exact value should match",
+        )
+        self._assert_not_matches(
+            condition,
+            {"value": False},
+            "incorrect values should not match",
+        )
+        for value in ("foobaz", 1, 1.1, None, [], {}):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect types should not match",
+            )
+
+        # Test against a False boolean value.
+        condition = {
+            "kind": "com.beeper.msc3758.exact_event_match",
+            "key": "content.value",
+            "value": False,
+        }
+        self._assert_matches(
+            condition,
+            {"value": False},
+            "exact value should match",
+        )
+        self._assert_not_matches(
+            condition,
+            {"value": True},
+            "incorrect values should not match",
+        )
+        # Choose false-y values to ensure there's no type coercion.
+        for value in ("", 0, 1.1, None, [], {}):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect types should not match",
+            )
+
+    def test_exact_event_match_null(self) -> None:
+        """Check that exact_event_match conditions work as expected for null."""
+
+        condition = {
+            "kind": "com.beeper.msc3758.exact_event_match",
+            "key": "content.value",
+            "value": None,
+        }
+        self._assert_matches(
+            condition,
+            {"value": None},
+            "exact value should match",
+        )
+        for value in ("foobaz", True, False, 1, 1.1, [], {}):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect types should not match",
+            )
+
+    def test_exact_event_match_integer(self) -> None:
+        """Check that exact_event_match conditions work as expected for integers."""
+
+        condition = {
+            "kind": "com.beeper.msc3758.exact_event_match",
+            "key": "content.value",
+            "value": 1,
+        }
+        self._assert_matches(
+            condition,
+            {"value": 1},
+            "exact value should match",
+        )
+        value: Any
+        for value in (1.1, -1, 0):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect values should not match",
+            )
+        for value in ("1", True, False, None, [], {}):
+            self._assert_not_matches(
+                condition,
+                {"value": value},
+                "incorrect types should not match",
+            )
+
     def test_no_body(self) -> None:
         """Not having a body shouldn't break the evaluator."""
         evaluator = self._get_evaluator({})
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-18 10:57:52 +0000