347 lines
12 KiB
Go
347 lines
12 KiB
Go
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package servicetest
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import (
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"fmt"
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"sort"
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"strings"
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"testing"
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"github.com/derekparker/delve/proc"
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"github.com/derekparker/delve/service/api"
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protest "github.com/derekparker/delve/proc/test"
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)
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type varTest struct {
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name string
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value string
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setTo string
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varType string
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err error
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}
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func matchStringOrPrefix(output, target string) bool {
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if strings.HasSuffix(target, "…") {
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prefix := target[:len(target)-len("…")]
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b := strings.HasPrefix(output, prefix)
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return b
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} else {
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return output == target
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}
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}
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func assertVariable(t *testing.T, variable *proc.Variable, expected varTest) {
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if variable.Name != expected.name {
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t.Fatalf("Expected %s got %s\n", expected.name, variable.Name)
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}
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cv := api.ConvertVar(variable)
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if cv.Type != expected.varType {
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t.Fatalf("Expected %s got %s (for variable %s)\n", expected.varType, cv.Type, expected.name)
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}
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if ss := cv.SinglelineString(); !matchStringOrPrefix(ss, expected.value) {
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t.Fatalf("Expected %#v got %#v (for variable %s)\n", expected.value, ss, expected.name)
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}
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}
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func evalVariable(p *proc.Process, symbol string) (*proc.Variable, error) {
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scope, err := p.CurrentThread.Scope()
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if err != nil {
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return nil, err
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}
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return scope.EvalVariable(symbol)
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}
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func (tc *varTest) settable() bool {
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return tc.setTo != ""
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}
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func (tc *varTest) afterSet() varTest {
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r := *tc
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r.value = r.setTo
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return r
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}
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func setVariable(p *proc.Process, symbol, value string) error {
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scope, err := p.CurrentThread.Scope()
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if err != nil {
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return err
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}
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return scope.SetVariable(symbol, value)
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}
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const varTestBreakpointLineNumber = 59
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func withTestProcess(name string, t *testing.T, fn func(p *proc.Process, fixture protest.Fixture)) {
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fixture := protest.BuildFixture(name)
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p, err := proc.Launch([]string{fixture.Path})
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if err != nil {
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t.Fatal("Launch():", err)
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}
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defer func() {
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p.Halt()
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p.Kill()
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}()
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fn(p, fixture)
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}
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func TestVariableEvaluation(t *testing.T) {
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testcases := []varTest{
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{"a1", "\"foofoofoofoofoofoo\"", "", "struct string", nil},
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{"a11", "[3]main.FooBar [{Baz: 1, Bur: \"a\"},{Baz: 2, Bur: \"b\"},{Baz: 3, Bur: \"c\"}]", "", "[3]main.FooBar", nil},
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{"a12", "[]main.FooBar len: 2, cap: 2, [{Baz: 4, Bur: \"d\"},{Baz: 5, Bur: \"e\"}]", "", "struct []main.FooBar", nil},
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{"a13", "[]*main.FooBar len: 3, cap: 3, [*{Baz: 6, Bur: \"f\"},*{Baz: 7, Bur: \"g\"},*{Baz: 8, Bur: \"h\"}]", "", "struct []*main.FooBar", nil},
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{"a2", "6", "10", "int", nil},
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{"a3", "7.23", "3.1", "float64", nil},
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{"a4", "[2]int [1,2]", "", "[2]int", nil},
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{"a5", "[]int len: 5, cap: 5, [1,2,3,4,5]", "", "struct []int", nil},
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{"a6", "main.FooBar {Baz: 8, Bur: \"word\"}", "", "main.FooBar", nil},
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{"a7", "*main.FooBar {Baz: 5, Bur: \"strum\"}", "", "*main.FooBar", nil},
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{"a8", "main.FooBar2 {Bur: 10, Baz: \"feh\"}", "", "main.FooBar2", nil},
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{"a9", "*main.FooBar nil", "", "*main.FooBar", nil},
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{"baz", "\"bazburzum\"", "", "struct string", nil},
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{"neg", "-1", "-20", "int", nil},
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{"f32", "1.2", "1.1", "float32", nil},
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{"c64", "(1 + 2i)", "(4 + 5i)", "complex64", nil},
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{"c128", "(2 + 3i)", "(6.3 + 7i)", "complex128", nil},
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{"a6.Baz", "8", "20", "int", nil},
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{"a7.Baz", "5", "25", "int", nil},
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{"a8.Baz", "\"feh\"", "", "struct string", nil},
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{"a9.Baz", "nil", "", "int", fmt.Errorf("a9 is nil")},
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{"a9.NonExistent", "nil", "", "int", fmt.Errorf("a9 has no member NonExistent")},
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{"a8", "main.FooBar2 {Bur: 10, Baz: \"feh\"}", "", "main.FooBar2", nil}, // reread variable after member
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{"i32", "[2]int32 [1,2]", "", "[2]int32", nil},
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{"b1", "true", "false", "bool", nil},
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{"b2", "false", "true", "bool", nil},
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{"i8", "1", "2", "int8", nil},
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{"u16", "65535", "0", "uint16", nil},
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{"u32", "4294967295", "1", "uint32", nil},
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{"u64", "18446744073709551615", "2", "uint64", nil},
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{"u8", "255", "3", "uint8", nil},
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{"up", "5", "4", "uintptr", nil},
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{"f", "main.barfoo", "", "func()", nil},
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{"ba", "[]int len: 200, cap: 200, [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...+136 more]", "", "struct []int", nil},
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{"ms", "main.Nest {Level: 0, Nest: *main.Nest {Level: 1, Nest: *(*main.Nest)(…", "", "main.Nest", nil},
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{"ms.Nest.Nest", "*main.Nest {Level: 2, Nest: *main.Nest {Level: 3, Nest: *(*main.Nest)(…", "", "*main.Nest", nil},
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{"ms.Nest.Nest.Nest.Nest.Nest", "*main.Nest nil", "", "*main.Nest", nil},
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{"ms.Nest.Nest.Nest.Nest.Nest.Nest", "", "", "*main.Nest", fmt.Errorf("ms.Nest.Nest.Nest.Nest.Nest is nil")},
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{"main.p1", "10", "12", "int", nil},
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{"p1", "10", "13", "int", nil},
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{"NonExistent", "", "", "", fmt.Errorf("could not find symbol value for NonExistent")},
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}
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withTestProcess("testvariables", t, func(p *proc.Process, fixture protest.Fixture) {
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err := p.Continue()
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assertNoError(err, t, "Continue() returned an error")
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for _, tc := range testcases {
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variable, err := evalVariable(p, tc.name)
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if tc.err == nil {
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assertNoError(err, t, "EvalVariable() returned an error")
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assertVariable(t, variable, tc)
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} else {
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if err == nil {
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t.Fatalf("Expected error %s, got no error: %s\n", tc.err.Error(), api.ConvertVar(variable).SinglelineString())
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}
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if tc.err.Error() != err.Error() {
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t.Fatalf("Unexpected error. Expected %s got %s", tc.err.Error(), err.Error())
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}
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}
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if tc.settable() {
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assertNoError(setVariable(p, tc.name, tc.setTo), t, "SetVariable()")
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variable, err = evalVariable(p, tc.name)
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assertNoError(err, t, "EvalVariable()")
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assertVariable(t, variable, tc.afterSet())
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assertNoError(setVariable(p, tc.name, tc.value), t, "SetVariable()")
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variable, err := evalVariable(p, tc.name)
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assertNoError(err, t, "EvalVariable()")
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assertVariable(t, variable, tc)
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}
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}
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})
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}
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func TestMultilineVariableEvaluation(t *testing.T) {
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testcases := []varTest{
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{"a1", "\"foofoofoofoofoofoo\"", "", "struct string", nil},
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{"a11", `[3]main.FooBar [
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{Baz: 1, Bur: "a"},
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{Baz: 2, Bur: "b"},
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{Baz: 3, Bur: "c"},
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]`, "", "[3]main.FooBar", nil},
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{"a12", `[]main.FooBar len: 2, cap: 2, [
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{Baz: 4, Bur: "d"},
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{Baz: 5, Bur: "e"},
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]`, "", "struct []main.FooBar", nil},
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{"a13", `[]*main.FooBar len: 3, cap: 3, [
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*{Baz: 6, Bur: "f"},
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*{Baz: 7, Bur: "g"},
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*{Baz: 8, Bur: "h"},
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]`, "", "struct []*main.FooBar", nil},
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{"a2", "6", "10", "int", nil},
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{"a4", "[2]int [1,2]", "", "[2]int", nil},
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{"a5", "[]int len: 5, cap: 5, [1,2,3,4,5]", "", "struct []int", nil},
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{"a6", "main.FooBar {Baz: 8, Bur: \"word\"}", "", "main.FooBar", nil},
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{"a7", "*main.FooBar {Baz: 5, Bur: \"strum\"}", "", "*main.FooBar", nil},
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{"a8", "main.FooBar2 {Bur: 10, Baz: \"feh\"}", "", "main.FooBar2", nil},
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{"a9", "*main.FooBar nil", "", "*main.FooBar", nil},
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{"a8", "main.FooBar2 {Bur: 10, Baz: \"feh\"}", "", "main.FooBar2", nil}, // reread variable after member
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{"i32", "[2]int32 [1,2]", "", "[2]int32", nil},
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{"ba", "[]int len: 200, cap: 200, [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...+136 more]", "", "struct []int", nil},
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{"ms", `main.Nest {
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Level: 0,
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Nest: *main.Nest {
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Level: 1,
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Nest: *(*main.Nest)(…`, "", "main.Nest", nil},
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}
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withTestProcess("testvariables", t, func(p *proc.Process, fixture protest.Fixture) {
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err := p.Continue()
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assertNoError(err, t, "Continue() returned an error")
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for _, tc := range testcases {
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variable, err := evalVariable(p, tc.name)
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assertNoError(err, t, "EvalVariable() returned an error")
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if ms := api.ConvertVar(variable).MultilineString(""); !matchStringOrPrefix(ms, tc.value) {
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t.Fatalf("Expected %s got %s (variable %s)\n", tc.value, ms, variable.Name)
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}
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}
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})
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}
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type varArray []*proc.Variable
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// Len is part of sort.Interface.
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func (s varArray) Len() int {
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return len(s)
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}
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// Swap is part of sort.Interface.
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func (s varArray) Swap(i, j int) {
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s[i], s[j] = s[j], s[i]
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}
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// Less is part of sort.Interface. It is implemented by calling the "by" closure in the sorter.
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func (s varArray) Less(i, j int) bool {
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return s[i].Name < s[j].Name
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}
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func TestLocalVariables(t *testing.T) {
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testcases := []struct {
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fn func(*proc.EvalScope) ([]*proc.Variable, error)
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output []varTest
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}{
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{(*proc.EvalScope).LocalVariables,
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[]varTest{
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{"a1", "\"foofoofoofoofoofoo\"", "", "struct string", nil},
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{"a10", "\"ofo\"", "", "struct string", nil},
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{"a11", "[3]main.FooBar [{Baz: 1, Bur: \"a\"},{Baz: 2, Bur: \"b\"},{Baz: 3, Bur: \"c\"}]", "", "[3]main.FooBar", nil},
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{"a12", "[]main.FooBar len: 2, cap: 2, [{Baz: 4, Bur: \"d\"},{Baz: 5, Bur: \"e\"}]", "", "struct []main.FooBar", nil},
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{"a13", "[]*main.FooBar len: 3, cap: 3, [*{Baz: 6, Bur: \"f\"},*{Baz: 7, Bur: \"g\"},*{Baz: 8, Bur: \"h\"}]", "", "struct []*main.FooBar", nil},
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{"a2", "6", "", "int", nil},
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{"a3", "7.23", "", "float64", nil},
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{"a4", "[2]int [1,2]", "", "[2]int", nil},
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{"a5", "[]int len: 5, cap: 5, [1,2,3,4,5]", "", "struct []int", nil},
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{"a6", "main.FooBar {Baz: 8, Bur: \"word\"}", "", "main.FooBar", nil},
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{"a7", "*main.FooBar {Baz: 5, Bur: \"strum\"}", "", "*main.FooBar", nil},
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{"a8", "main.FooBar2 {Bur: 10, Baz: \"feh\"}", "", "main.FooBar2", nil},
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{"a9", "*main.FooBar nil", "", "*main.FooBar", nil},
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{"b1", "true", "", "bool", nil},
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{"b2", "false", "", "bool", nil},
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{"ba", "[]int len: 200, cap: 200, [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...+136 more]", "", "struct []int", nil},
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{"c128", "(2 + 3i)", "", "complex128", nil},
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{"c64", "(1 + 2i)", "", "complex64", nil},
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{"f", "main.barfoo", "", "func()", nil},
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{"f32", "1.2", "", "float32", nil},
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{"i32", "[2]int32 [1,2]", "", "[2]int32", nil},
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{"i8", "1", "", "int8", nil},
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{"ms", "main.Nest {Level: 0, Nest: *main.Nest {Level: 1, Nest: *(*main.Nest)…", "", "main.Nest", nil},
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{"neg", "-1", "", "int", nil},
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{"u16", "65535", "", "uint16", nil},
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{"u32", "4294967295", "", "uint32", nil},
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{"u64", "18446744073709551615", "", "uint64", nil},
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{"u8", "255", "", "uint8", nil},
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{"up", "5", "", "uintptr", nil}}},
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{(*proc.EvalScope).FunctionArguments,
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[]varTest{
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{"bar", "main.FooBar {Baz: 10, Bur: \"lorem\"}", "", "main.FooBar", nil},
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{"baz", "\"bazburzum\"", "", "struct string", nil}}},
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}
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withTestProcess("testvariables", t, func(p *proc.Process, fixture protest.Fixture) {
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err := p.Continue()
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assertNoError(err, t, "Continue() returned an error")
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for _, tc := range testcases {
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scope, err := p.CurrentThread.Scope()
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assertNoError(err, t, "AsScope()")
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vars, err := tc.fn(scope)
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assertNoError(err, t, "LocalVariables() returned an error")
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sort.Sort(varArray(vars))
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if len(tc.output) != len(vars) {
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t.Fatalf("Invalid variable count. Expected %d got %d.", len(tc.output), len(vars))
|
||
|
|
}
|
||
|
|
|
||
|
|
for i, variable := range vars {
|
||
|
|
assertVariable(t, variable, tc.output[i])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestEmbeddedStruct(t *testing.T) {
|
||
|
|
withTestProcess("testvariables4", t, func(p *proc.Process, fixture protest.Fixture) {
|
||
|
|
testcases := []varTest{
|
||
|
|
{"b.val", "-314", "", "int", nil},
|
||
|
|
{"b.A.val", "-314", "", "int", nil},
|
||
|
|
{"b.a.val", "42", "", "int", nil},
|
||
|
|
{"b.ptr.val", "1337", "", "int", nil},
|
||
|
|
{"b.C.s", "\"hello\"", "", "struct string", nil},
|
||
|
|
{"b.s", "\"hello\"", "", "struct string", nil},
|
||
|
|
}
|
||
|
|
assertNoError(p.Continue(), t, "Continue()")
|
||
|
|
|
||
|
|
for _, tc := range testcases {
|
||
|
|
variable, err := evalVariable(p, tc.name)
|
||
|
|
if tc.err == nil {
|
||
|
|
assertNoError(err, t, "EvalVariable() returned an error")
|
||
|
|
assertVariable(t, variable, tc)
|
||
|
|
} else {
|
||
|
|
if tc.err.Error() != err.Error() {
|
||
|
|
t.Fatalf("Unexpected error. Expected %s got %s", tc.err.Error(), err.Error())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestComplexSetting(t *testing.T) {
|
||
|
|
withTestProcess("testvariables", t, func(p *proc.Process, fixture protest.Fixture) {
|
||
|
|
err := p.Continue()
|
||
|
|
assertNoError(err, t, "Continue() returned an error")
|
||
|
|
|
||
|
|
h := func(setExpr, value string) {
|
||
|
|
assertNoError(setVariable(p, "c128", setExpr), t, "SetVariable()")
|
||
|
|
variable, err := evalVariable(p, "c128")
|
||
|
|
assertNoError(err, t, "EvalVariable()")
|
||
|
|
if s := api.ConvertVar(variable).SinglelineString(); s != value {
|
||
|
|
t.Fatalf("Wrong value of c128: \"%s\", expected \"%s\" after setting it to \"%s\"", s, value, setExpr)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
h("3.2i", "(0 + 3.2i)")
|
||
|
|
h("1.1", "(1.1 + 0i)")
|
||
|
|
h("1 + 3.3i", "(1 + 3.3i)")
|
||
|
|
h("complex128(1.2, 3.4)", "(1.2 + 3.4i)")
|
||
|
|
})
|
||
|
|
}
|