gosentry/docs/TESTS.md

GoSentry Test Suite

All tests are located alongside source code in their respective packages under src/. Tests follow Go conventions with *_test.go filename patterns.

Running Tests

Using the test scripts

The repository provides convenience scripts to run all tests with static analysis:

Unix/Linux/macOS:

./scripts/test.sh

Windows:

scripts\test.bat

Both scripts run:

1. go vet ./... — static analysis for common errors and suspicious code patterns
2. go test -race ./... — tests with race condition detection enabled

The GUI tests build the Fyne desktop backend, so CGO must be enabled; on Windows that means the MSYS2 UCRT64 toolchain described in DEVELOPMENT.md.

Manual test commands

Run all tests:

go test ./...

Run all tests with race detection:

go test -race ./...

Run tests with verbose output:

go test -v ./...

Run a specific test by name:

go test -run TestRunJobWritesLogFile ./src/runner

Run tests with code coverage:

go test -cover ./src/runner
go test -coverprofile=coverage.out ./src/runner
go tool cover -html=coverage.out

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Test Files Overview

src/domain/schedule_test.go

Package: domain

Tests schedule parsing and validation.

Test	Purpose
TestParseRejectsInvalidSchedules	Verifies that invalid schedule strings return an error.
TestParseEveryInterval	Verifies @every duration syntax (e.g., @every 10s) is parsed and computes the correct next run time.
TestParseEveryTrimsSurroundingWhitespace	Verifies leading/trailing whitespace around the @every spec is ignored.
TestParseCronExpression	Verifies 5-field cron expressions (e.g., */5 * * * *) are parsed and compute the correct next run time.
TestParseCronDescriptor	Verifies predefined cron descriptors such as @hourly are accepted.
TestValidateAcceptsValidSchedules	Verifies that Schedule.Validate returns nil for valid schedule strings.
TestZeroScheduleNextIsZero	Verifies that a zero-value Schedule returns a zero time from Next.
TestStringReturnsTrimmedSpec	Verifies that Schedule.String returns the trimmed schedule spec.

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src/domain/config_test.go

Package: domain

Tests the normalization rule shared by every consumer of the jobs-list density setting.

Test	Purpose
TestJobListViewIsCompact	Verifies only the exact "compact" value selects one-line rows: empty, differently-cased, and unrecognised values all read as detailed.
TestDefaultConfigUsesDetailedJobList	Verifies DefaultConfig selects the detailed job list.

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src/app/service_test.go

Package: app

Tests Service construction and the state-accessor contract.

Test	Purpose
TestNewServiceBuildsRuntimePerJob	Verifies that NewService creates a JobRuntime entry for every loaded job.
TestJobsReturnsCopy	Verifies that Service.Jobs returns a defensive copy so callers cannot mutate internal state.
TestStoreReturnsWiredStore	Verifies that Service.Store returns the injected storage.Store.

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src/app/operations_test.go

Package: app

Tests all mutating operations on the Service, scheduler integration, and settings persistence.

Job CRUD

Test	Purpose
TestCreateJobAssignsIDAndEmits	Verifies that CreateJob assigns a unique ID, persists to JSON, and emits JobChanged.
TestCreateJobValidates	Verifies that CreateJob rejects jobs with an invalid schedule.
TestUpdateJobKeepsRuntimeAndReflectsDisable	Verifies that UpdateJob preserves existing runtime state and disables a job correctly.
TestUpdateJobReenablesPausedJob	Verifies that re-enabling a previously-disabled job clears the paused runtime state.
TestRuntimeLazilyRecreated	Verifies that UpdateJob recreates a missing runtime entry rather than panicking.
TestUpdateJobNotFound	Verifies that UpdateJob returns an error for an unknown job ID.
TestDeleteJobRemovesEverything	Verifies that DeleteJob removes the job from the slice, the runtime map, and the schedule cache.
TestDeleteJobNotFound	Verifies that DeleteJob returns an error for an unknown job ID.
TestSetEnabledNotFound	Verifies that SetEnabled returns an error for an unknown job ID.
TestSetEnabledToggles	Verifies that SetEnabled flips the enabled flag and persists the change.

Global pause / run-now / run-due

Test	Purpose
TestSetGlobalPauseUpdatesRuntimesAndEmits	Verifies that SetGlobalPause updates all job runtimes, emits SchedulerStateChanged, and persists state.
TestSetGlobalPausePersistsToConfigFile	Verifies the paused flag reaches gosentry.json, which is what makes the pause survive a restart.
TestServiceRebuiltFromPausedStoreStartsPaused	Verifies a Service built from a paused config starts paused, with the paused next-run text applied before the first tick.
TestRunNowUsesRunnerAndRecords	Verifies that RunNow invokes the runner, records a RunRecord, and emits RunRecorded.
TestRunNowNotFound	Verifies that RunNow returns an error for an unknown job ID.
TestRunNowRefusedWhileAlreadyRunning	Verifies that a second concurrent RunNow on the same job is rejected while the first is in progress.
TestRunNowAllowedWhilePaused	Verifies that RunNow is allowed when the global pause flag is set (pause stops scheduled runs only).
TestRunDueStartsDueJob	Verifies that RunDue launches a job whose next-run time has passed.
TestRunDueSkipsJobNotYetDue	Verifies that RunDue does not launch a job that is not yet due.
TestRunDueSkipsJobInRunningState	Verifies that RunDue does not start a second concurrent run for an already-running job, even with a stale NextDue in the past.
TestRunDueDoesNothingWhilePaused	Verifies that RunDue launches nothing when the global pause flag is set.
TestStartDrivesRunDueOnTick	Verifies that Service.Start wires RunDue to the scheduler tick and that each tick advances state.

Settings

Test	Purpose
TestUpdateSettingsPersistsAndValidates	Verifies that UpdateSettings persists a valid config and rewrites autostart if needed.
TestUpdateSettingsRejectsInvalidConfigs	Verifies that UpdateSettings returns validation errors without persisting.
TestHasFileName	Verifies the jobs-file path check: a file name passes; a trailing separator, ., and .. do not.
TestUpdateSettingsWritesJobsToTheNewFile	Verifies that changing JobsFile re-resolves Paths.JobsPath and writes the loaded jobs to the new file, creating its folder.
TestUpdateSettingsAdoptsExistingJobsFile	Verifies that selecting a jobs file that already exists replaces the job list with its contents, rebuilds runtimes, and emits JobsLoaded.
TestUpdateSettingsKeepsJobsWhenTheNewFileIsMissing	Verifies that a path with no file behind it receives the current jobs instead (the rename/relocate case).
TestUpdateSettingsRefusesJobsFileSwitchWhileRunning	Verifies that switching the jobs file is refused (and not persisted) while a job runs, while unrelated settings still save.
TestSetJobListViewPersistsToConfigFile	Verifies the Jobs-list density preference reaches gosentry.json, so the chosen view reopens after a restart.
TestSetJobListViewNormalizesUnknownValue	Verifies anything but "compact" is stored as "detailed", so the config never gains a value no reader understands.
TestPrependLogCapsActivityList	Verifies that the activity log never grows beyond its maximum cap.

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src/app/run_test.go

Package: app

Tests overlap policy, sequential execution, run statistics, timeout resolution, and scheduler edge cases using injected runJob and primeDue.

Test	Purpose
TestUpdateStats	Verifies aggregate duration math on JobRuntime.
TestUpdateStatsSkipsZeroDuration	Verifies zero-duration runs are excluded from averages.
TestRunDueParallelStartsAllDueJobs	Parallel mode: both due jobs enter the runner before either completes.
TestRunDueSequentialSerializes	Sequential mode: job 2 waits until job 1 finishes.
TestRunDueSkipDropsOverlap	Global skip: no second concurrent run, PendingRuns stays 0.
TestRunDueQueueRerunsAfterFinish	Queue: one deferred run after an in-flight finish; also covers an empty per-job policy inheriting the global default.
TestRunDueQueueDrainsMultipleOverlaps	Queue: multiple missed ticks drain as separate runs.
TestRunDuePerJobQueueOverridesGlobalSkip	Per-job queue beats global skip.
TestRunDuePerJobSkipOverridesGlobalQueue	Per-job skip beats global queue.
TestRunNowSequentialGuard	Manual run refused while another job runs in sequential mode.
TestStartRunLockedRollbackOnSaveFailure	Regression: run does not start when SaveJobs fails.
TestRunDueQueueDrainSkippedWhenPaused	Queued overlaps are not drained while the scheduler is paused.
TestEffectiveTimeout	Verifies the three-state resolution: nil inherits the global default, a positive value overrides it, and an explicit 0 means no timeout without inheriting.

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src/app/events_test.go

Package: app

Tests the event-emission and observer-subscription machinery.

Test	Purpose
TestEmitDeliversToAllObserversInOrder	Verifies that all registered observers receive emitted events in registration order.
TestEmitWithNoObserversIsNoop	Verifies that emitting an event with no observers does not panic.
TestObserverCanReadServiceState	Verifies that an observer called by emit can safely read Service state (jobs, runtimes).

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src/app/format_test.go

Package: app

Tests display-formatting helpers used by the UI.

Test	Purpose
TestStatusText	Verifies that job status codes map to the correct display strings.
TestEventText	Verifies trigger-type labels for scheduled, manual, and UI triggers.
TestEventLine	Verifies the one-line activity rendering of a RunRecord, including the log basename and the Unknown fallback for a blank trigger.
TestDisplayFolder	Verifies that an empty folder string shows "No folder".
TestDisplayArguments	Verifies that an empty arguments string shows "None".
TestDisplayRunMode	Verifies run-mode labels for normal and start-only modes.
TestDisplayInvocation	Verifies that the full invocation display string combines command and arguments with spacing.
TestDisplayIndex	Verifies the list position of a job index in a filtered index slice.
TestDisplayStats	Verifies statistics line formatting for the details panel.
TestDisplayOverlapPolicy	Verifies per-job vs inherited global overlap policy labels.
TestDisplayTimeout	Verifies the three timeout states read differently in the details panel: 45 s, no timeout, and … (global default).

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src/storage/store_test.go

Package: storage

Tests JSON round-tripping, default generation, and backward compatibility.

Test	Purpose
TestJobsRoundTrip	Verifies that jobs saved to JSON are reloaded with identical field values.
TestConfigRoundTrip	Verifies that settings saved to JSON are reloaded with identical field values.
TestNormalizeJobsFillsDefaults	Verifies that normalizeJobs assigns sequential IDs and sets default name, schedule, and command for jobs missing those fields.
TestLoadOrCreateConfigCreatesDefaultsOnFirstRun	Verifies that a missing config file is created with sane defaults.
TestLoadOrCreateJobsSeedsSampleJobsOnFirstRun	Verifies that a missing jobs file is created with the sample jobs from defaultJobs.
TestLoadOrCreateConfigKeepsZeroTimeoutOnReload	Verifies that default_timeout_seconds: 0 survives a reload rather than being normalized away — 0 is a value, not a missing field.
TestLoadOrCreateConfigMigratesJobsDir	Verifies that a pre-0.15 jobs_dir becomes jobs_file pointing at the same jobs.json, and that the retired key is not written back.
TestLoadOrCreateConfigMigratesLegacyThemeDefault	Verifies that a config storing the retired "default" theme value is normalized to system on load.
TestLoadJobsFileReportsMissingWithoutCreating	Verifies that LoadJobsFile reports a missing file as not-found without creating or seeding it, and normalizes the jobs it does load.
TestApplyConfigPathsDerivesJobsDir	Verifies that the configured jobs file resolves against the program folder and that Paths.JobsDir is derived from it.
TestJobTimeoutRoundTripsThreeStates	Verifies the on-disk encoding that keeps "inherit" and "no timeout" distinguishable: nil is omitted entirely, an explicit 0 is written and read back as set.
TestJobsJSONDoesNotPersistRuntimeNoise	Verifies that jobs.json does not persist runtime state (LastRun, NextRun, etc.). Only durable job fields are stored.

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src/scheduler/scheduler_test.go

Package: scheduler

Tests the timing-loop contract using a fake clock.

Test	Purpose
TestSchedulerCallsTickWithClockNow	Verifies that the scheduler calls the injected tick function with the wall-clock time returned by the fake Clock.
TestSchedulerStopReleasesClock	Verifies that Stop terminates the tick loop and releases the Clock without hanging.

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src/runner/runner_test.go

Package: runner

Tests command execution, exit code handling, output capture, and the run timeout.

Log file tests

Test	Purpose
TestRunJobLogFileAllHeaders	Verifies that the log file contains all expected metadata headers: trigger type, job name, command, arguments, and start time.
TestRunJobRecordFields	Verifies that the returned RunRecord carries the correct status, trigger, and log-file path.
TestRunJobWritesLogFile	Verifies that each job execution creates a .log file in the configured logs directory with a sanitized job name in the filename.

Output formatting

Test	Purpose
TestFormatOutput	Verifies that stdout and stderr are combined with section labels in the formatted output.
TestFormatOutputEmptyStreams	Verifies that empty stdout/stderr streams are omitted from the formatted output.
TestLogArguments	Verifies that arguments are included in the log header and absent when the arguments field is empty.
TestSanitizeFileName	Verifies that spaces and special characters in a job name are replaced to produce a safe filename segment.

Command execution

Test	Platform	Purpose
TestRunJobRunsQuotedWindowsExecutable	Windows	Verifies that executable paths with quotes are executed correctly via cmd.exe.
TestRunJobRunsUnquotedWindowsProgramPathWithSpaces	Windows	Verifies that unquoted executable paths with spaces are quoted and executed correctly.
TestRunJobRunsWindowsCommandWithSeparateArguments	Windows	Verifies that command and arguments from the Job struct are combined and executed correctly.

Exit code handling

Test	Purpose
TestRunJobFailsOnNonZeroExitCode	Verifies that a nonzero process exit code results in "Failed" status with an "exit code N" detail.

Timeout

Test	Purpose
TestRunJobTimesOut	Verifies that a positive timeout kills a long-running command and reports Timed out after <timeout>.
TestRunJobZeroTimeoutMeansNoTimeout	Verifies that a non-positive duration runs without a deadline, bounded only by the caller's context.
TestRunJobStartOnlyIgnoresTimeout	Verifies that fire-and-forget jobs run on the untimed context, so the timeout never kills a process the runner is not waiting for.

Start-only mode

Test	Purpose
TestRunJobStartOnlyDoesNotWaitForExitCode	Verifies that StartOnly: true jobs launch and return "OK" immediately without waiting for the process to exit.
TestRunJobStartOnlyReportsStartFailure	Verifies that StartOnly: true jobs still report "Failed" if the process cannot be started.

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src/runner/runner_windows_test.go

Location: src/runner/runner_windows_test.go Build Tags: //go:build windows

Tests the Windows shell invocation and hidden-window flags.

Test	Purpose
TestDirectCommandDoesNotHideWindow	Verifies that direct executable commands do not request hidden-window startup.
TestShellCommandHidesWindow	Verifies that shell commands request hidden-window startup to prevent console flash.
TestShellCommandUsesWindowsSafeQuoting	Verifies cmd.exe /S /C quoting for paths with spaces and special characters.
TestWindowsShellCommandLineQuotesUnquotedProgramPath	Verifies that unquoted program paths in shell commands are quoted while preserving already-quoted arguments.

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src/runner/seed_test.go

Package: runner

Tests SeedStats, which rebuilds aggregate run statistics from the .log files on disk at startup.

Test	Purpose
TestSeedStatsBasic	Verifies run/fail counts and the last, average, and maximum durations parsed from a job's log headers.
TestSeedStatsDurationLessLegacyLog	Verifies a log written before the duration header still counts as a run but is excluded from the duration aggregates, so a missing duration cannot masquerade as a 0 ms run.
TestSeedStatsMaxFilesHonoured	Verifies that only the newest MaxLogFiles logs are parsed when the limit is positive.
TestSeedStatsMissingDir	Verifies a missing logs directory yields an empty map rather than an error or a panic.
TestSeedStatsUnknownJobProducesNoEntry	Verifies log files that match no known job are ignored.
TestSeedStatsMatchesByJobID	Verifies logs are matched by the job_id header even when two job names sanitize to the same filename.

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src/runner/cleanup_test.go

Package: runner

Tests log-file cleanup by age and by count.

Test	Purpose
TestCleanupLogsMissingDirReturnsNil	Verifies that cleanup returns nil (not an error) when the logs directory does not exist.
TestCleanupLogsRemovesFilesPastMaxAge	Verifies that .log files older than MaxLogAgeDays are deleted and files within the limit are retained.
TestCleanupLogsByCountDeletesOldest	Verifies that when file count exceeds MaxLogFiles, the oldest files are removed first.
TestCleanupLogsNonLogFilesNotDeleted	Verifies that non-.log files in the logs directory are never deleted by cleanup.
TestCleanupLogsSubdirsNotDeleted	Verifies that subdirectories inside the logs directory are not deleted by cleanup.
TestCleanupLogsZeroLimitsDisableBothPolicies	Verifies that setting both limits to zero disables both the age and count cleanup policies.

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src/platform/autostart/autostart_windows_test.go

Location: src/platform/autostart/autostart_windows_test.go Build Tags: //go:build windows

Tests Windows autostart via shortcuts in the Startup folder.

Test	Purpose
TestSameWindowsPathIgnoresCaseAndQuotes	Verifies that Windows path comparison is case-insensitive, handles quote marks, and matches paths containing spaces.
TestSameWindowsPathStripsExtendedLengthPrefix	Verifies that \\?\-prefixed paths are compared correctly after stripping the prefix.
TestSameWindowsPathMatchesShortNameViaFilesystem	Verifies that 8.3 short names are resolved to long names for comparison.
TestStartupShortcutPathUsesUserStartupFolder	Verifies that the shortcut path resolves into %APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup.
TestCreateStartupShortcutHandlesCyrillicPath	Verifies that .lnk files are created correctly when the executable path contains Cyrillic characters.
TestCreateStartupShortcutHandlesSpaces	Verifies that .lnk files are created with correct TargetPath and --start-in-tray arguments when the path contains spaces.

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src/platform/autostart/autostart_linux_test.go

Location: src/platform/autostart/autostart_linux_test.go Build Tags: //go:build linux

Tests Linux autostart via XDG Desktop Entry files.

Test	Purpose
TestLinuxAutostartStartsInTray	Verifies that the XDG Desktop Entry is created with --start-in-tray in the Exec= field.

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src/platform/desktop/desktop_linux_test.go

Location: src/platform/desktop/desktop_linux_test.go Build Tags: //go:build linux

Tests Linux desktop integration (.desktop file and icon under XDG data home).

Test	Purpose
TestInstallDesktopIntegrationWritesDesktopAndIcon	Verifies .desktop and PNG icon files are written under $XDG_DATA_HOME.
TestQuoteDesktopExecQuotesPath	Verifies Exec= paths with spaces are shell-quoted.

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src/platform/filemanager/filemanager_test.go

Package: filemanager

Tests the guards around opening a folder in the desktop file manager. The success path is not tested: it would open a real file manager window.

Test	Purpose
TestOpenRejectsMissingFolder	Verifies that Open reports a missing directory (naming the path) instead of launching a handler.
TestOpenRejectsFile	Verifies that Open refuses a path that is a file rather than a directory.
TestOpenCommandNamesPlatformHandler	Verifies the per-platform handler (explorer / xdg-open, none elsewhere) and that the path is passed as one argument.

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src/ui/jobs_view_test.go

Package: ui

Tests the Jobs tab: pure filter helpers, and — through Fyne's headless test.NewApp() — the geometry and redraw behaviour that only shows up once the widgets are assembled.

Test	Purpose
TestFilterValue	Verifies that filterValue returns the correct display string for the current folder filter.
TestFolderOptionsAlwaysIncludesSentinels	Verifies that the folder filter list always starts with "All" and "No folder" sentinel entries.
TestFolderOptionsAppendsUniqueFolders	Verifies that folder names from the job list are appended once each, in order, without duplicates.
TestFilteredJobIndexesAll	Verifies that the "All" filter returns indexes for every job.
TestFilteredJobIndexesByNamedFolder	Verifies that filtering by a named folder returns only jobs in that folder.
TestFilteredJobIndexesNoFolder	Verifies that the "No folder" filter returns only jobs with an empty folder field.
TestFilteredJobIndexesEmptySlice	Verifies that filtering an empty job slice returns an empty index list.
TestNextJobListViewFlipsBothWays	Verifies the density toggle alternates between detailed and compact from either starting value.
TestViewToggleTextNamesTheAction	Verifies the toggle button is labelled with the action it performs, not the state it is in.
TestJobListViewToggleShrinksRowsAndPersists	End-to-end: one tap shrinks the row height, relabels the button, and reaches the config; tapping back undoes all three.
TestJobListViewCompactConfigOpensCompact	Verifies the persisted density is honoured at build time, not only after a tap.
TestJobsSidebarWidthIsItsContent	Regression guard: nothing but the sidebar's own toolbar row imposes a width floor on it.
TestJobsSplitOpensAtTheSidebarWidth	Verifies the derived split offset opens the divider at the sidebar's own width at the default window size — enough that the toolbar is never born clipped, and no more.
TestToolbarButtonRedrawsRowAndDetails	Regression guard: with the duplicate refreshes removed from the handlers, refreshView alone must re-snapshot the jobs and repopulate the details pane.
TestDetailCaptionWidthCoversEveryCaption	Verifies every caption metadataRows returns fits the measured caption column, which is what makes the single row list self-enforcing.

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src/ui/history_view_test.go

Package: ui

Tests the History tab: the pure activity helpers and the sorted-snapshot and column-width behaviour of the assembled table.

Test	Purpose
TestCollectActivityMergesAndSorts	Verifies per-job logs are merged and sorted by time.
TestCollectActivitySkipsMissingRuntimes	Verifies missing runtime entries are skipped safely.
TestHistoryCellText	Verifies table cell text for all columns; empty trigger → Unknown.
TestLogFileName	Verifies log path basename extraction on Windows and Unix paths.
TestNewEventUsesConsistentTimestampShape	Verifies UI events use the same timestamp layout as run records.
TestLastJobLogsCapsAndCopies	Verifies activity panel cap and defensive copy semantics.
TestLastJobLogsEmpty	Verifies nil/empty log input returns an empty slice.
TestIndexOfID	Verifies job lookup by ID returns -1 when not found.
TestHistorySortToggleKeepsRowsInSync	Regression guard for the cached sorted snapshot: the length callback and the cells must be refilled together, or the row count and the cell contents disagree.
TestHistoryCellTemplateIsPlainText	Verifies the cell template already carries the zero TextStyle, since the per-cell assignment that used to reset it is gone.
TestTextColumnWidthClamps	Covers the three shapes of textColumnWidth: below the minimum, in range, and capped at the maximum.
TestHistoryColumnsFitTheirContent	Verifies every column is at least as wide as its widest known or present value, at the default text size and at a scaled theme.

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src/ui/settings_view_test.go

Package: ui

Tests the Settings tab helpers and the row layout.

Test	Purpose
TestSettingsFolderPath	Verifies the folder the Logs directory "Open" button targets: blank text yields no path, a relative path resolves against the application directory, an absolute path is used as typed.
TestSettingsRowStretchesItsControl	Verifies the row's centre slot already stretches the control to the column width — the property that made a fixed-width wrapper around it redundant.
TestChooseFileAppliesFilter	Verifies the deduplicated picker opens a dialog both with a nil filter (the command browser) and with a concrete one (chooseJSONFile).
TestSettingsCaptionsCoverEveryRow	Verifies every caption used in a row is present in settingsCaptions and fits the measured caption column.

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src/ui/layout_test.go

Package: ui

Tests the theme-derived sizing helpers in layout.go.

Test	Purpose
TestRowOverlapMatchesInnerPadding	Pins rowOverlap to -theme.InnerPadding() under two themes, the property that lets it follow a theme instead of drifting from a hand-tuned literal.
TestCancelRowOverlapAddsBackOneInnerPadding	Verifies that cancelRowOverlap adds back exactly one inner padding on the top edge only, leaving width and the row below unaffected.
TestCaptionColumnWidth	Covers no captions, one, and several of varying length, at two text sizes.

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src/ui/theme_test.go

Package: ui

Tests the branded theme and the stored theme choice.

Test	Purpose
TestGoSentryThemeBrandColors	Verifies the brand colors land on the semantically correct ColorNames in both the light and dark variants.
TestGoSentryThemeDelegatesUnbrandedColors	Verifies unbranded color names fall through to the base theme rather than rendering transparent.
TestThemeForChoice	Verifies the GoSentry choice and the empty legacy value yield the branded primary; only the explicit system choice yields Fyne's built-in theme.
TestThemeLabelRoundTrip	Verifies the dropdown labels round-trip and that the empty value maps to the GoSentry label rather than a blank option.

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src/ui/mainwindow_test.go

Package: ui

Tests main view construction with an injected *app.Service.

Test	Purpose
TestMainViewFitsTheDefaultWindowSize	Verifies the assembled content's minimum fits the window size the app asks for, so Fyne never silently widens the window past it. The store's config path is deliberately long, since it was the path label that used to grow the Settings tab.
TestMainViewBuilds	Verifies newMainView assembles tabs without panic using fyne.io/fyne/v2/test.

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Test Design Principles

1. Isolation — Tests use t.TempDir() for file operations and t.Setenv() for environment variables to avoid affecting system state.

2. Cross-platform — Platform-specific tests use //go:build tags and runtime.GOOS checks to skip when not applicable.

3. Fake clocks and runners — The scheduler is exercised with an injected fake Clock; the service operations tests inject a fake runJob function to avoid spawning real processes.

4. Event-driven correctness — app tests subscribe to the event bus and assert that the expected events are emitted, rather than inspecting internal fields directly.

5. Path Handling — Extensive tests cover Windows path quoting, spaces in paths, and case-insensitive matching to avoid subtle shell escaping bugs.

6. Start-Only Mode — Special handling for long-running processes that should be launched but not waited on, tested separately from normal execution flow.

7. Regression on serious fixes — Any fix from an internal review with severity ≥ medium gets a targeted regression test (see run_test.go for examples).

8. Geometry is measured, not eyeballed — The ui tests that build widgets under test.NewApp() assert sizes and offsets, and several re-run under a scaled theme. That is what keeps STANDARDS.md's "measure at build time, never a pixel constant" rule enforceable rather than aspirational.

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Remaining Test Coverage Gaps

• Full GUI E2E — tab navigation, dialog flows, and native file pickers are not exercised end-to-end; the ui tests assemble views and measure them, but nothing drives a real window.
• History is session-only by design — .log files seed aggregate stats only, not the History table (see STANDARDS.md)
• Fyne's headless driver cannot report a maximized window, which is why window-size persistence stays frozen in ROADMAP.md