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formula_spec_test.go
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formula_spec_test.go
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package wfapi
import (
"strings"
"testing"
qt "github.com/frankban/quicktest"
"github.com/ipfs/go-cid"
"github.com/ipld/go-ipld-prime"
_ "github.com/ipld/go-ipld-prime/codec/dagcbor"
"github.com/ipld/go-ipld-prime/codec/json"
cidlink "github.com/ipld/go-ipld-prime/linking/cid"
"github.com/ipld/go-ipld-prime/printer"
"github.com/ipld/go-ipld-prime/schema"
"github.com/warpfork/go-testmark"
)
func TestFormulaParseFixtures(t *testing.T) {
doc, err := testmark.ReadFile("../examples/100-formula-parse/example-formulas.md")
if err != nil {
t.Fatalf("spec file parse failed?!: %s", err)
}
// Data hunk in this spec file are in "directories" of a test scenario each.
doc.BuildDirIndex()
for _, dir := range doc.DirEnt.ChildrenList {
t.Run(dir.Name, func(t *testing.T) {
// Each "directory" should contain at least either "formula" or "runrecord".
switch {
case dir.Children["formula"] != nil:
// Nab the bytes.
serial := dir.Children["formula"].Hunk.Body
// Unmarshal. Assert it works.
t.Run("unmarshal", func(t *testing.T) {
frmAndCtx := FormulaAndContext{}
n, err := ipld.Unmarshal(serial, json.Decode, &frmAndCtx, TypeSystem.TypeByName("FormulaAndContext"))
qt.Assert(t, err, qt.IsNil)
// If there was data about debug forms, check that matches.
if dir.Children["formula.debug"] != nil {
printed := printer.Sprint(n)
qt.Assert(t, printed+"\n", qt.CmpEquals(), string(dir.Children["formula.debug"].Hunk.Body))
}
// Remarshal. Assert it works.
t.Run("remarshal", func(t *testing.T) {
reserial, err := ipld.Marshal(json.Encode, &frmAndCtx, TypeSystem.TypeByName("FormulaAndContext"))
qt.Assert(t, err, qt.IsNil)
// And assert it's string equal.
t.Run("exact-match", func(t *testing.T) {
qt.Assert(t, string(reserial), qt.CmpEquals(), string(serial))
})
})
// If there's a link datum: Create a CID of the formula and see what's up.
// (Also encodes, implicitly. So will probably fail if the above was broken.)
// Path into the Formula before doing this -- we don't want to hash the context or the envelope type.
if dir.Children["cid"] != nil {
nFormula, _ := n.LookupByString("formula")
lsys := cidlink.DefaultLinkSystem()
lnk, err := lsys.ComputeLink(cidlink.LinkPrototype{cid.Prefix{
Version: 1, // Usually '1'.
Codec: 0x71, // 0x71 means "dag-cbor" -- See the multicodecs table: https://github.com/multiformats/multicodec/
MhType: 0x13, // 0x13 means "sha2-512" -- See the multicodecs table: https://github.com/multiformats/multicodec/
MhLength: 64, // sha2-512 hash has a 64-byte sum.
}}, nFormula.(schema.TypedNode).Representation())
qt.Assert(t, err, qt.IsNil)
expect := strings.TrimSpace(string(dir.Children["cid"].Hunk.Body))
qt.Assert(t, expect, qt.Equals, lnk.String())
}
})
case dir.Children["runrecord"] != nil:
// TODO
}
})
}
}