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test: add regression and coverage tests for ACTIONS_CACHE_MODE

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Add JobExtension L0 tests asserting the job-start cache-mode log line is
emitted for each mode and absent when the variable is unset, plus handler
regression tests covering coexistence with ACTIONS_CACHE_SERVICE_V2 and that
baseline runtime env is unaffected when no cache-mode is set.
This commit is contained in:
Philip Gai
2026-07-02 10:49:31 -05:00
parent ab28939193
commit b1eb6fd159
2 changed files with 84 additions and 0 deletions
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35
src/Test/L0/Worker/HandlerL0.cs
View File

@@ -141,6 +141,41 @@ namespace GitHub.Runner.Common.Tests.Worker
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Worker")]
public async Task RunAsync_CacheModeCoexistsWithCacheServiceV2()
{
using (TestHostContext hc = CreateTestContext())
{
var environment = await RunNodeScriptActionHandlerAsync(hc, new Dictionary<string, VariableValue>
{
{ "actions_uses_cache_service_v2", "true" },
{ "actions_cache_mode", "read" }
});
Assert.Equal(bool.TrueString, environment["ACTIONS_CACHE_SERVICE_V2"]);
Assert.Equal("read", environment["ACTIONS_CACHE_MODE"]);
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Worker")]
public async Task RunAsync_DoesNotAffectRuntimeEnv_WhenCacheModeAbsent()
{
using (TestHostContext hc = CreateTestContext())
{
var environment = await RunNodeScriptActionHandlerAsync(hc, new Dictionary<string, VariableValue>());
// Baseline runtime env is still exported and cache-mode adds nothing.
Assert.Equal("https://pipelines.actions.githubusercontent.com/", environment["ACTIONS_RUNTIME_URL"]);
Assert.Equal("token", environment["ACTIONS_RUNTIME_TOKEN"]);
Assert.False(environment.ContainsKey("ACTIONS_CACHE_MODE"));
Assert.False(environment.ContainsKey("ACTIONS_CACHE_SERVICE_V2"));
}
}
private async Task<Dictionary<string, string>> RunNodeScriptActionHandlerAsync(TestHostContext hc, IDictionary<string, VariableValue> variables)
{
var actionDirectory = Path.Combine(hc.GetDirectory(WellKnownDirectory.Work), Guid.NewGuid().ToString());

49
src/Test/L0/Worker/JobExtensionL0.cs
View File

@@ -238,6 +238,55 @@ namespace GitHub.Runner.Common.Tests.Worker
}
}
[Theory]
[Trait("Level", "L0")]
[Trait("Category", "Worker")]
[InlineData("read")]
[InlineData("none")]
[InlineData("write")]
[InlineData("write-only")]
public async Task InitializeJob_LogsCacheMode_WhenVariableSet(string mode)
{
using (TestHostContext hc = CreateTestContext())
{
_message.Variables["actions_cache_mode"] = mode;
_jobEc.InitializeJob(_message, _tokenSource.Token);
var jobExtension = new JobExtension();
jobExtension.Initialize(hc);
_actionManager.Setup(x => x.PrepareActionsAsync(It.IsAny<IExecutionContext>(), It.IsAny<IEnumerable<Pipelines.JobStep>>(), It.IsAny<Guid>()))
.Returns(Task.FromResult(new PrepareResult(new List<JobExtensionRunner>(), new Dictionary<Guid, IActionRunner>())));
await jobExtension.InitializeJob(_jobEc, _message);
_jobServerQueue.Verify(
x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.Is<string>(m => m.Contains($"Actions cache-mode: {mode}")), It.IsAny<long?>()),
Times.Once);
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Worker")]
public async Task InitializeJob_DoesNotLogCacheMode_WhenVariableAbsent()
{
using (TestHostContext hc = CreateTestContext())
{
var jobExtension = new JobExtension();
jobExtension.Initialize(hc);
_actionManager.Setup(x => x.PrepareActionsAsync(It.IsAny<IExecutionContext>(), It.IsAny<IEnumerable<Pipelines.JobStep>>(), It.IsAny<Guid>()))
.Returns(Task.FromResult(new PrepareResult(new List<JobExtensionRunner>(), new Dictionary<Guid, IActionRunner>())));
await jobExtension.InitializeJob(_jobEc, _message);
_jobServerQueue.Verify(
x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.Is<string>(m => m.Contains("Actions cache-mode:")), It.IsAny<long?>()),
Times.Never);
}
}
[Fact]
[Trait("Level", "L0")]
[Trait("Category", "Worker")]