lib/tests/expand_template/BUILD.bazel

load("@aspect_bazel_lib//lib:diff_test.bzl", "diff_test")
load("@aspect_bazel_lib//lib:expand_template.bzl", "expand_template")
load("@aspect_bazel_lib//lib:testing.bzl", "assert_contains")

expand_template(
    name = "a_tmpl_stamp",
    out = "a_stamp",
    data = ["a.tmpl"],
    stamp = 1,
    stamp_substitutions = {
        "{{VERSION}}": "v{{BUILD_SCM_VERSION}}",
    },
    substitutions = {
        "{{TMPL_PATH}}": "$(rootpath a.tmpl)",
        "{{VERSION}}": "v0.0.0",
        "{{WORKSPACE}}": "$(WORKSPACE)",
    },
    template = "a.tmpl",
)

diff_test(
    name = "a_stamp_test",
    file1 = ":a_stamp",
    file2 = select({
        "@aspect_bazel_lib//lib:bzlmod": "a_stamp_expected_bzlmod",
        "//conditions:default": "a_stamp_expected",
    }),
)

expand_template(
    name = "a_tmpl",
    out = "a",
    data = ["a.tmpl"],
    stamp = 0,
    stamp_substitutions = {
        "{{VERSION}}": "v{{BUILD_SCM_VERSION}}",
    },
    substitutions = {
        "{{TMPL_PATH}}": "$(rootpath a.tmpl)",
        "{{VERSION}}": "v0.0.0",
        "{{WORKSPACE}}": "$(WORKSPACE)",
    },
    template = "a.tmpl",
)

diff_test(
    name = "a_test",
    file1 = ":a",
    file2 = select({
        "@aspect_bazel_lib//lib:bzlmod": "a_expected_bzlmod",
        "//conditions:default": "a_expected",
    }),
)

# This test requires that DefaultInfo be returned with the proper outputs.
assert_contains(
    name = "default_info_test",
    actual = ":a_tmpl_stamp",
    expected = "WORKSPACE:",
)

# No `out` specified, because we don't care what the name of the generated file is.
expand_template(
    name = "inline_template",
    substitutions = {"line2": "line3"},
    template = [
        "line1",
        "line2",
    ],
)

assert_contains(
    name = "inline_template_test",
    actual = ":inline_template",
    expected = "line3",
)

# When `out` is not specified, the output file is the same name as the template
# and does not have a predefined label. This allows for creating an output
# file of the same name and location as the template that is then referenced
# by the `expand_template` target name instead of the output file name
expand_template(
    name = "index_html_out",
    substitutions = {"index.ts": "index.js"},
    template = "index.html",
)

assert_contains(
    name = "index_html_out_test",
    actual = ":index_html_out",
    expected = "index.js",
)