GoogleCloudPlatform / testgrid - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 1,610 units with 17,782 lines of code in units (60.0% of code).

3 very complex units (947 lines of code)
8 complex units (1,200 lines of code)
47 medium complex units (2,719 lines of code)
92 simple units (2,409 lines of code)
1,460 very simple units (10,507 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
func file_data_proto_init() in pb/api/v1/data.pb.go	445	108	0
func file_config_proto_init() in pb/config/config.pb.go	349	81	0
func convertResult() in pkg/updater/gcs.go	153	51	6
func file_state_proto_init() in pb/state/state.pb.go	169	39	0
func validateTestGroup() in config/config.go	99	39	1
func Update() in pkg/summarizer/summary.go	232	37	5
func InflateDropAppend() in pkg/updater/updater.go	157	30	8
func Update() in pkg/tabulator/tabstate.go	173	29	5
func Update() in pkg/updater/updater.go	171	28	6
func evalProperties() in pkg/updater/eval.go	90	28	2
func readResult() in pkg/updater/read.go	109	26	4
func processGroup() in pkg/updater/resultstore/resultstore.go	99	25	2
func file_summary_proto_init() in pb/summary/summary.pb.go	110	24	0
func MergeCells() in pkg/updater/gcs.go	79	24	2
func FixPersistent() in util/queue/persist.go	107	23	4
func alertRow() in pkg/updater/updater.go	94	23	7
func groupColumns() in pkg/updater/updater.go	76	22	2
func main() in cmd/state_comparer/main.go	103	22	0
func updateDashboard() in pkg/summarizer/summary.go	122	21	6
func overallStatus() in pkg/summarizer/summary.go	70	21	8
def file_passes() in hack/verify_boilerplate.py	41	19	3
func parseGrid() in pkg/summarizer/flakiness.go	69	19	3
func() in util/gcs/fake/fake.go	39	17	1
func inflateRow() in pkg/updater/inflate.go	59	17	1
func() in util/gcs/read.go	43	16	1
func ListBuilds() in util/gcs/read.go	63	16	4
func gridMetrics() in pkg/summarizer/summary.go	57	16	6
func file_custom_evaluator_proto_init() in pb/custom_evaluator/custom_evaluator.pb.go	85	15	0
func() in metadata/junit/junit.go	20	15	1
func validateAllUnique() in config/config.go	50	15	1
func MergeAndUpdate() in pkg/merger/merger.go	83	15	6
func readColumns() in pkg/updater/read.go	83	15	10
func testResultLink() in pkg/summarizer/summary.go	39	14	8
func validateReferencesExist() in config/config.go	43	13	1
func validateDashboardTab() in config/config.go	42	13	1
func ConstructGrid() in pkg/updater/updater.go	51	13	9
func readSuites() in pkg/updater/read.go	45	13	3
func file_issue_state_proto_init() in pb/issue_state/issue_state.pb.go	61	12	0
func Converge() in config/converge.go	46	12	1
func ReconcileDashboardTab() in config/yamlcfg/yaml2proto.go	35	12	2
func() in util/gcs/read.go	40	12	1
func() in util/gcs/fake/fake.go	30	12	1
func failingTestSummaries() in pkg/summarizer/summary.go	56	12	4
func appendCell() in pkg/updater/updater.go	51	12	4
func main() in cmd/updater/main.go	68	12	0
def get_files() in hack/verify_boilerplate.py	21	11	1
func Observe() in config/snapshot/config_snapshot.go	44	11	5
func Update() in config/yamlcfg/yaml2proto.go	33	11	4
func ReconcileTestGroup() in config/yamlcfg/yaml2proto.go	34	11	2
func() in util/queue/queue.go	46	11	1