feat(server): unit tests for metrics endpoints

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perf3ct 2025-05-26 20:36:57 +00:00
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### Test regular API metrics endpoint (requires session authentication)
### Get metrics from regular API (default Prometheus format)
GET {{triliumHost}}/api/metrics
> {%
client.test("API metrics endpoint returns Prometheus format by default", function() {
client.assert(response.status === 200, "Response status is not 200");
client.assert(response.headers["content-type"].includes("text/plain"), "Content-Type should be text/plain");
client.assert(response.body.includes("trilium_info"), "Should contain trilium_info metric");
client.assert(response.body.includes("trilium_notes_total"), "Should contain trilium_notes_total metric");
client.assert(response.body.includes("# HELP"), "Should contain HELP comments");
client.assert(response.body.includes("# TYPE"), "Should contain TYPE comments");
});
%}
### Get metrics in JSON format
GET {{triliumHost}}/api/metrics?format=json
> {%
client.test("API metrics endpoint returns JSON when requested", function() {
client.assert(response.status === 200, "Response status is not 200");
client.assert(response.headers["content-type"].includes("application/json"), "Content-Type should be application/json");
client.assert(response.body.version, "Version info not present");
client.assert(response.body.database, "Database info not present");
client.assert(response.body.timestamp, "Timestamp not present");
client.assert(typeof response.body.database.totalNotes === 'number', "Total notes should be a number");
client.assert(typeof response.body.database.activeNotes === 'number', "Active notes should be a number");
client.assert(response.body.noteTypes, "Note types breakdown not present");
client.assert(response.body.attachmentTypes, "Attachment types breakdown not present");
client.assert(response.body.statistics, "Statistics not present");
});
%}
### Test invalid format parameter
GET {{triliumHost}}/api/metrics?format=xml
> {%
client.test("Invalid format parameter returns error", function() {
client.assert(response.status === 500, "Response status should be 500");
client.assert(response.body.message.includes("prometheus"), "Error message should mention supported formats");
});
%}

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### Test ETAPI metrics endpoint
# First login to get a token
POST {{triliumHost}}/etapi/auth/login
Content-Type: application/json
{
"password": "{{password}}"
}
> {%
client.test("Login successful", function() {
client.assert(response.status === 201, "Response status is not 201");
client.assert(response.body.authToken, "Auth token not present");
client.global.set("authToken", response.body.authToken);
});
%}
### Get metrics with authentication (default Prometheus format)
GET {{triliumHost}}/etapi/metrics
Authorization: {{authToken}}
> {%
client.test("Metrics endpoint returns Prometheus format by default", function() {
client.assert(response.status === 200, "Response status is not 200");
client.assert(response.headers["content-type"].includes("text/plain"), "Content-Type should be text/plain");
client.assert(response.body.includes("trilium_info"), "Should contain trilium_info metric");
client.assert(response.body.includes("trilium_notes_total"), "Should contain trilium_notes_total metric");
client.assert(response.body.includes("# HELP"), "Should contain HELP comments");
client.assert(response.body.includes("# TYPE"), "Should contain TYPE comments");
});
%}
### Get metrics in JSON format
GET {{triliumHost}}/etapi/metrics?format=json
Authorization: {{authToken}}
> {%
client.test("Metrics endpoint returns JSON when requested", function() {
client.assert(response.status === 200, "Response status is not 200");
client.assert(response.headers["content-type"].includes("application/json"), "Content-Type should be application/json");
client.assert(response.body.version, "Version info not present");
client.assert(response.body.database, "Database info not present");
client.assert(response.body.timestamp, "Timestamp not present");
client.assert(typeof response.body.database.totalNotes === 'number', "Total notes should be a number");
client.assert(typeof response.body.database.activeNotes === 'number', "Active notes should be a number");
});
%}
### Get metrics in Prometheus format explicitly
GET {{triliumHost}}/etapi/metrics?format=prometheus
Authorization: {{authToken}}
> {%
client.test("Metrics endpoint returns Prometheus format when requested", function() {
client.assert(response.status === 200, "Response status is not 200");
client.assert(response.headers["content-type"].includes("text/plain"), "Content-Type should be text/plain");
client.assert(response.body.includes("trilium_info"), "Should contain trilium_info metric");
client.assert(response.body.includes("trilium_notes_total"), "Should contain trilium_notes_total metric");
});
%}
### Test invalid format parameter
GET {{triliumHost}}/etapi/metrics?format=xml
Authorization: {{authToken}}
> {%
client.test("Invalid format parameter returns error", function() {
client.assert(response.status === 400, "Response status should be 400");
client.assert(response.body.code === "INVALID_FORMAT", "Error code should be INVALID_FORMAT");
client.assert(response.body.message.includes("prometheus"), "Error message should mention supported formats");
});
%}
### Test without authentication (should fail)
GET {{triliumHost}}/etapi/metrics
> {%
client.test("Metrics endpoint requires authentication", function() {
client.assert(response.status === 401, "Response status should be 401");
});
%}