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Some initial test metadata

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It will be useful for properly testing TLAs, import callbacks etc.
This commit is contained in:
Stanisław Barzowski 2017-10-09 10:50:46 -04:00 committed by Dave Cunningham
parent 5c946dfb76
commit 96a2abc46c
1 changed files with 43 additions and 21 deletions
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64
main_test.go
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@ -30,31 +30,42 @@ import (
var update = flag.Bool("update", false, "update .golden files")
// Just some simple sanity tests for now. Eventually we'll share end-to-end tests with the C++
// implementation but unsure if that should be done here or via some external framework.
// TODO(sbarzowski) figure out how to measure coverage on the external tests
type testMetadata struct {
extVars map[string]string
extCode map[string]string
}
var standardExtVars = map[string]string{
"stringVar": "2 + 2",
}
var standardExtCode = map[string]string{
"codeVar": "3 + 3",
"errorVar": "error 'xxx'",
"staticErrorVar": ")",
"UndeclaredX": "x",
"selfRecursiveVar": `[42, std.extVar("selfRecursiveVar")[0] + 1]`,
"mutuallyRecursiveVar1": `[42, std.extVar("mutuallyRecursiveVar2")[0] + 1]`,
"mutuallyRecursiveVar2": `[42, std.extVar("mutuallyRecursiveVar1")[0] + 1]`,
}
var metadataForTests = map[string]testMetadata{
"testdata/extvar_code": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_error": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_hermetic": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_mutually_recursive": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_self_recursive": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_static_error": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
"testdata/extvar_string": testMetadata{extVars: standardExtVars, extCode: standardExtCode},
}
type mainTest struct {
name string
input string
golden string
}
func setExtVars(vm *VM) {
// TODO(sbarzowski) extract, so that it's possible to define extvars per-test
// Check that it doesn't get evaluated.
vm.ExtVar("stringVar", "2 + 2")
// Check that it gets evaluated.
vm.ExtCode("codeVar", "3 + 3")
// Check that if it's not used, runtime and static errors don't occur.
vm.ExtCode("errorVar", "error 'xxx'")
vm.ExtCode("staticErrorVar", ")")
// Check that environment doesn't leak
vm.ExtCode("UndeclaredX", "x")
// Tricky evaluation
vm.ExtCode("selfRecursiveVar", `[42, std.extVar("selfRecursiveVar")[0] + 1]`)
vm.ExtCode("mutuallyRecursiveVar1", `[42, std.extVar("mutuallyRecursiveVar2")[0] + 1]`)
vm.ExtCode("mutuallyRecursiveVar2", `[42, std.extVar("mutuallyRecursiveVar1")[0] + 1]`)
meta *testMetadata
}
func TestMain(t *testing.T) {
@ -71,13 +82,24 @@ func TestMain(t *testing.T) {
name = input[:len(input)-len(".jsonnet")]
golden = name + ".golden"
}
mainTests = append(mainTests, mainTest{name: name, input: input, golden: golden})
var meta testMetadata
if val, exists := metadataForTests[name]; exists {
meta = val
}
mainTests = append(mainTests, mainTest{name: name, input: input, golden: golden, meta: &meta})
}
errFormatter := ErrorFormatter{pretty: true, MaxStackTraceSize: 9}
for _, test := range mainTests {
t.Run(test.name, func(t *testing.T) {
vm := MakeVM()
setExtVars(vm)
for name, value := range test.meta.extVars {
vm.ExtVar(name, value)
}
for name, value := range test.meta.extCode {
vm.ExtCode(name, value)
}
read := func(file string) []byte {
bytz, err := ioutil.ReadFile(file)
if err != nil {