Added all required dependencies

vendor/github.com/smartystreets/goconvey/convey/context.go

@@ -0,0 +1,272 @@
+package convey
+
+import (
+	"fmt"
+
+	"github.com/jtolds/gls"
+	"github.com/smartystreets/goconvey/convey/reporting"
+)
+
+type conveyErr struct {
+	fmt    string
+	params []interface{}
+}
+
+func (e *conveyErr) Error() string {
+	return fmt.Sprintf(e.fmt, e.params...)
+}
+
+func conveyPanic(fmt string, params ...interface{}) {
+	panic(&conveyErr{fmt, params})
+}
+
+const (
+	missingGoTest = `Top-level calls to Convey(...) need a reference to the *testing.T.
+		Hint: Convey("description here", t, func() { /* notice that the second argument was the *testing.T (t)! */ }) `
+	extraGoTest    = `Only the top-level call to Convey(...) needs a reference to the *testing.T.`
+	noStackContext = "Convey operation made without context on goroutine stack.\n" +
+		"Hint: Perhaps you meant to use `Convey(..., func(c C){...})` ?"
+	differentConveySituations = "Different set of Convey statements on subsequent pass!\nDid not expect %#v."
+	multipleIdenticalConvey   = "Multiple convey suites with identical names: %#v"
+)
+
+const (
+	failureHalt = "___FAILURE_HALT___"
+
+	nodeKey = "node"
+)
+
+///////////////////////////////// Stack Context /////////////////////////////////
+
+func getCurrentContext() *context {
+	ctx, ok := ctxMgr.GetValue(nodeKey)
+	if ok {
+		return ctx.(*context)
+	}
+	return nil
+}
+
+func mustGetCurrentContext() *context {
+	ctx := getCurrentContext()
+	if ctx == nil {
+		conveyPanic(noStackContext)
+	}
+	return ctx
+}
+
+//////////////////////////////////// Context ////////////////////////////////////
+
+// context magically handles all coordination of Convey's and So assertions.
+//
+// It is tracked on the stack as goroutine-local-storage with the gls package,
+// or explicitly if the user decides to call convey like:
+//
+//   Convey(..., func(c C) {
+//     c.So(...)
+//   })
+//
+// This implements the `C` interface.
+type context struct {
+	reporter reporting.Reporter
+
+	children map[string]*context
+
+	resets []func()
+
+	executedOnce   bool
+	expectChildRun *bool
+	complete       bool
+
+	focus       bool
+	failureMode FailureMode
+}
+
+// rootConvey is the main entry point to a test suite. This is called when
+// there's no context in the stack already, and items must contain a `t` object,
+// or this panics.
+func rootConvey(items ...interface{}) {
+	entry := discover(items)
+
+	if entry.Test == nil {
+		conveyPanic(missingGoTest)
+	}
+
+	expectChildRun := true
+	ctx := &context{
+		reporter: buildReporter(),
+
+		children: make(map[string]*context),
+
+		expectChildRun: &expectChildRun,
+
+		focus:       entry.Focus,
+		failureMode: defaultFailureMode.combine(entry.FailMode),
+	}
+	ctxMgr.SetValues(gls.Values{nodeKey: ctx}, func() {
+		ctx.reporter.BeginStory(reporting.NewStoryReport(entry.Test))
+		defer ctx.reporter.EndStory()
+
+		for ctx.shouldVisit() {
+			ctx.conveyInner(entry.Situation, entry.Func)
+			expectChildRun = true
+		}
+	})
+}
+
+//////////////////////////////////// Methods ////////////////////////////////////
+
+func (ctx *context) SkipConvey(items ...interface{}) {
+	ctx.Convey(items, skipConvey)
+}
+
+func (ctx *context) FocusConvey(items ...interface{}) {
+	ctx.Convey(items, focusConvey)
+}
+
+func (ctx *context) Convey(items ...interface{}) {
+	entry := discover(items)
+
+	// we're a branch, or leaf (on the wind)
+	if entry.Test != nil {
+		conveyPanic(extraGoTest)
+	}
+	if ctx.focus && !entry.Focus {
+		return
+	}
+
+	var inner_ctx *context
+	if ctx.executedOnce {
+		var ok bool
+		inner_ctx, ok = ctx.children[entry.Situation]
+		if !ok {
+			conveyPanic(differentConveySituations, entry.Situation)
+		}
+	} else {
+		if _, ok := ctx.children[entry.Situation]; ok {
+			conveyPanic(multipleIdenticalConvey, entry.Situation)
+		}
+		inner_ctx = &context{
+			reporter: ctx.reporter,
+
+			children: make(map[string]*context),
+
+			expectChildRun: ctx.expectChildRun,
+
+			focus:       entry.Focus,
+			failureMode: ctx.failureMode.combine(entry.FailMode),
+		}
+		ctx.children[entry.Situation] = inner_ctx
+	}
+
+	if inner_ctx.shouldVisit() {
+		ctxMgr.SetValues(gls.Values{nodeKey: inner_ctx}, func() {
+			inner_ctx.conveyInner(entry.Situation, entry.Func)
+		})
+	}
+}
+
+func (ctx *context) SkipSo(stuff ...interface{}) {
+	ctx.assertionReport(reporting.NewSkipReport())
+}
+
+func (ctx *context) So(actual interface{}, assert assertion, expected ...interface{}) {
+	if result := assert(actual, expected...); result == assertionSuccess {
+		ctx.assertionReport(reporting.NewSuccessReport())
+	} else {
+		ctx.assertionReport(reporting.NewFailureReport(result))
+	}
+}
+
+func (ctx *context) Reset(action func()) {
+	/* TODO: Failure mode configuration */
+	ctx.resets = append(ctx.resets, action)
+}
+
+func (ctx *context) Print(items ...interface{}) (int, error) {
+	fmt.Fprint(ctx.reporter, items...)
+	return fmt.Print(items...)
+}
+
+func (ctx *context) Println(items ...interface{}) (int, error) {
+	fmt.Fprintln(ctx.reporter, items...)
+	return fmt.Println(items...)
+}
+
+func (ctx *context) Printf(format string, items ...interface{}) (int, error) {
+	fmt.Fprintf(ctx.reporter, format, items...)
+	return fmt.Printf(format, items...)
+}
+
+//////////////////////////////////// Private ////////////////////////////////////
+
+// shouldVisit returns true iff we should traverse down into a Convey. Note
+// that just because we don't traverse a Convey this time, doesn't mean that
+// we may not traverse it on a subsequent pass.
+func (c *context) shouldVisit() bool {
+	return !c.complete && *c.expectChildRun
+}
+
+// conveyInner is the function which actually executes the user's anonymous test
+// function body. At this point, Convey or RootConvey has decided that this
+// function should actually run.
+func (ctx *context) conveyInner(situation string, f func(C)) {
+	// Record/Reset state for next time.
+	defer func() {
+		ctx.executedOnce = true
+
+		// This is only needed at the leaves, but there's no harm in also setting it
+		// when returning from branch Convey's
+		*ctx.expectChildRun = false
+	}()
+
+	// Set up+tear down our scope for the reporter
+	ctx.reporter.Enter(reporting.NewScopeReport(situation))
+	defer ctx.reporter.Exit()
+
+	// Recover from any panics in f, and assign the `complete` status for this
+	// node of the tree.
+	defer func() {
+		ctx.complete = true
+		if problem := recover(); problem != nil {
+			if problem, ok := problem.(*conveyErr); ok {
+				panic(problem)
+			}
+			if problem != failureHalt {
+				ctx.reporter.Report(reporting.NewErrorReport(problem))
+			}
+		} else {
+			for _, child := range ctx.children {
+				if !child.complete {
+					ctx.complete = false
+					return
+				}
+			}
+		}
+	}()
+
+	// Resets are registered as the `f` function executes, so nil them here.
+	// All resets are run in registration order (FIFO).
+	ctx.resets = []func(){}
+	defer func() {
+		for _, r := range ctx.resets {
+			// panics handled by the previous defer
+			r()
+		}
+	}()
+
+	if f == nil {
+		// if f is nil, this was either a Convey(..., nil), or a SkipConvey
+		ctx.reporter.Report(reporting.NewSkipReport())
+	} else {
+		f(ctx)
+	}
+}
+
+// assertionReport is a helper for So and SkipSo which makes the report and
+// then possibly panics, depending on the current context's failureMode.
+func (ctx *context) assertionReport(r *reporting.AssertionResult) {
+	ctx.reporter.Report(r)
+	if r.Failure != "" && ctx.failureMode == FailureHalts {
+		panic(failureHalt)
+	}
+}