[internal/comparetest] Add support for all metric types

.chloggen/comparetest-add-support-for-all-metric-types.yaml

@@ -0,0 +1,11 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: internal/comparetest
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Add support for all metric types
+
+# One or more tracking issues related to the change
+issues: [17538]

internal/comparetest/metrics_test.go

@@ -270,7 +270,7 @@ func TestCompareMetrics(t *testing.T) {
 				err: multierr.Combine(
 					errors.New("datapoints for metric: `gauge.one`, do not match expected"),
 					errors.New("datapoint with attributes: map[], does not match expected"),
-					errors.New("metric datapoint types don't match: expected type: int, actual type: double"),
+					errors.New("metric datapoint types don't match: expected type: Int, actual type: Double"),
 				),
 				reason: "A data point with the wrong type of value should cause a failure.",
 			},
@@ -281,11 +281,126 @@ func TestCompareMetrics(t *testing.T) {
 				err: multierr.Combine(
 					errors.New("datapoints for metric: `gauge.one`, do not match expected"),
 					errors.New("datapoint with attributes: map[], does not match expected"),
-					errors.New("metric datapoint types don't match: expected type: double, actual type: int"),
+					errors.New("metric datapoint types don't match: expected type: Double, actual type: Int"),
 				),
 				reason: "A data point with the wrong type of value should cause a failure.",
 			},
 		},
+		{
+			name: "histogram-data-point-count-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Count doesn't match expected: 123, actual: 654"),
+				),
+				reason: "A data point with the wrong bucket count should cause a failure.",
+			},
+		},
+		{
+			name: "histogram-data-point-sum-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Sum doesn't match expected: 123.456000, actual: 654.321000"),
+				),
+			},
+		},
+		{
+			name: "histogram-data-point-buckets-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint BucketCounts doesn't match expected: [1 2 3], actual: [3 2 1]"),
+				),
+			},
+		},
+		{
+			name: "exp-histogram-data-point-count-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `exponential_histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Count doesn't match expected: 123, actual: 654"),
+				),
+				reason: "A data point with the wrong bucket count should cause a failure.",
+			},
+		},
+		{
+			name: "exp-histogram-data-point-sum-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `exponential_histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Sum doesn't match expected: 123.456000, actual: 654.321000"),
+				),
+			},
+		},
+		{
+			name: "exp-histogram-data-point-positive-buckets-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `exponential_histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Positive BucketCounts doesn't match expected: [1 2 3], "+
+						"actual: [3 2 1]"),
+				),
+			},
+		},
+		{
+			name: "exp-histogram-data-point-negative-offset-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `exponential_histogram.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Negative Offset doesn't match expected: 10, actual: 1"),
+				),
+			},
+		},
+		{
+			name: "summary-data-point-count-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `summary.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Count doesn't match expected: 123, actual: 654"),
+				),
+				reason: "A data point with the wrong bucket count should cause a failure.",
+			},
+		},
+		{
+			name: "summary-data-point-sum-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `summary.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint Sum doesn't match expected: 123.456000, actual: 654.321000"),
+				),
+			},
+		},
+		{
+			name: "summary-data-point-quantile-values-length-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `summary.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint QuantileValues length doesn't match expected: 3, actual: 2"),
+				),
+			},
+		},
+		{
+			name: "summary-data-point-quantile-values-mismatch",
+			withoutOptions: expectation{
+				err: multierr.Combine(
+					errors.New("datapoints for metric: `summary.one`, do not match expected"),
+					errors.New("datapoint with attributes: map[], does not match expected"),
+					errors.New("metric datapoint value at quantile 0.990000 doesn't match expected: 99.000000, "+
+						"actual: 110.000000"),
+				),
+			},
+		},
 		{
 			name: "ignore-timestamp",
 			withoutOptions: expectation{

internal/comparetest/testdata/metrics/exp-histogram-data-point-count-mismatch/actual.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "count": 654
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-count-mismatch/expected.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "count": 123
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-negative-offset-mismatch/actual.json

@@ -0,0 +1,24 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "negative": {
+                      "offset": 1
+                    }
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-negative-offset-mismatch/expected.json

@@ -0,0 +1,24 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "negative": {
+                      "offset": 10
+                    }
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-positive-buckets-mismatch/actual.json

@@ -0,0 +1,24 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "positive": {
+                      "bucketCounts": [3, 2, 1]
+                    }
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-positive-buckets-mismatch/expected.json

@@ -0,0 +1,24 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "positive": {
+                      "bucketCounts": [1, 2, 3]
+                    }
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-sum-mismatch/actual.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "sum": 654.321000
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/exp-histogram-data-point-sum-mismatch/expected.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "exponential_histogram.one",
+              "exponentialHistogram": {
+                "dataPoints": [
+                  {
+                    "sum": 123.456000
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/histogram-data-point-buckets-mismatch/actual.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "histogram.one",
+              "histogram": {
+                "dataPoints": [
+                  {
+                    "bucketCounts": [3, 2, 1]
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

internal/comparetest/testdata/metrics/histogram-data-point-buckets-mismatch/expected.json

@@ -0,0 +1,22 @@
+{
+  "resourceMetrics": [
+    {
+      "scopeMetrics": [
+        {
+          "metrics": [
+            {
+              "name": "histogram.one",
+              "histogram": {
+                "dataPoints": [
+                  {
+                    "bucketCounts": [1, 2, 3]
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}