wehub-resource-sync
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74 lines
2.8 KiB
Go
74 lines
2.8 KiB
Go
package resolver
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import "testing"
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// TestIsLanguageStdlib_PerLanguage pins the language-aware stdlib filter
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// across every ecosystem external-call qualification now covers. The JVM
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// and .NET rows are the ones added so default-on synthesis doesn't
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// materialise a node for every JDK / BCL call.
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func TestIsLanguageStdlib_PerLanguage(t *testing.T) {
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cases := []struct {
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lang, path string
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want bool
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}{
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// Go: dotless first segment is stdlib; a domain-led path is a dep.
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{"go", "fmt", true},
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{"go", "net/http", true},
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{"go", "github.com/foo/bar", false},
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// Python: stdlib top-level packages vs pip packages.
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{"python", "os.path", true},
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{"python", "requests", false},
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// Node: core modules (bare + node: form) vs npm packages.
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{"javascript", "node:fs", true},
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{"typescript", "fs", true},
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{"typescript", "react", false},
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// Rust: std distribution vs crates.
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{"rust", "std::collections", true},
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{"rust", "tokio::sync", false},
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// JVM: JDK / Jakarta / internal trees are platform; everything
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// else (incl. Kotlin/Scala stdlibs, which ship as Maven jars) is
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// a dependency.
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{"java", "java.util.List", true},
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{"java", "javax.servlet.http", true},
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{"java", "jakarta.persistence", true},
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{"java", "sun.misc.Unsafe", true},
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{"java", "com.sun.net.httpserver", true},
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{"java", "com.google.common.collect", false},
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{"kotlin", "java.io", true},
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{"kotlin", "org.jetbrains.exposed", false},
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// `javafx` must not be swallowed by the `java` prefix rule.
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{"java", "javafx.scene", false},
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// .NET: System.* / Microsoft.* are the BCL; vendor namespaces are
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// NuGet packages.
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{"csharp", "System.Collections.Generic", true},
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{"csharp", "Microsoft.Extensions.Logging", true},
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{"csharp", "mscorlib", true},
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{"csharp", "Newtonsoft.Json", false},
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// Unknown language: treat as external (one extra node beats
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// dropping a real edge).
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{"", "anything", false},
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}
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for _, c := range cases {
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if got := isLanguageStdlib(c.lang, c.path); got != c.want {
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t.Errorf("isLanguageStdlib(%q, %q) = %v, want %v", c.lang, c.path, got, c.want)
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}
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}
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}
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// TestExternalCallNodeID_StableCrossRepo documents the cross-repo
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// identity property: the synthetic node ID is a pure function of
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// (ecosystem, import path), so a call into the same package from two
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// different repositories lands on one shared node — the basis for
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// aggregating a service's external surface across repos.
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func TestExternalCallNodeID_StableCrossRepo(t *testing.T) {
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repoA := externalCallNodeID("dep", "github.com/stripe/stripe-go")
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repoB := externalCallNodeID("dep", "github.com/stripe/stripe-go")
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if repoA != repoB {
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t.Fatalf("same package must share one node ID: %q != %q", repoA, repoB)
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}
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other := externalCallNodeID("dep", "github.com/aws/aws-sdk-go")
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if repoA == other {
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t.Fatalf("distinct packages must get distinct node IDs")
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}
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}
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